|
|
Petroleum Measurement
To purchase individual API standards, visit apiwebstore.org
Chapter 5.3
flow pulse data. This publication does not endorse or advocate the
Measurement of Liquid Hydrocarbons by Turbine Meters
preferential use of any specific type of equipment or systems, nor is it
intended to restrict future development of such equipment. Pages: 8
(includes Addendum 1 dated July 2009)
2nd Edition | July 2005 | Reaffirmed: August 2015
Defines the application criteria for turbine meters and discusses
Product Number: H50502 | Price: $76.00
appropriate considerations regarding the liquids to be measured.
Discusses the installation of a turbine metering system and the
Chapter 5.5 *
performance, operation, and maintenance of turbine meters in liquid
hydrocarbon service. Includes “Selecting a Meter and Accessory
Fidelity and Security of Flow Measurement Pulsed-Data Transmission
Equipment” and information on the recommended location for prover
Systems-Spanish
connections. Pages: 11
Spanish translation of Ch. 5.5.
5th Edition | September 2005 | Reaffirmed: August 2014
2nd Edition | July 2005 | Reaffirmed: August 2015
Product Number: H05035 | Price: $115.00
Product Number: H50502SP | Price: $76.00
Chapter 5.3 *
Chapter 5.6
Measurement of Liquid Hydrocarbons by Turbine Meters-Russian
Measurement of Liquid Hydrocarbons by Coriolis Meters
(includes Addendum 1 dated July 2009)
Provides guidance for the specification, installation, verification, and
Russian translation of Ch. 5.3.
operation of Coriolis meters used to dynamically measure liquid
5th Edition | September 2005 | Reaffirmed: August 2014
hydrocarbons. The document also includes information that will assist in
Product Number: H50305R | Price: $115.00
troubleshooting and improving the performance of the meters. Pages: 65
2nd Edition | December 2021
Chapter 5.3 *
Product Number: H05062 | Price: $250.00
Measurement of Liquid Hydrocarbons by Turbine Meters-Spanish
Chapter 5.8
(includes Addendum 1 dated July 2009)
Measurement of Liquid Hydrocarbons by Ultrasonic Flow Meters
Spanish translation of Ch. 5.3, including Addendum 1 dated July 2009.
(includes Errata 1 dated February 2014)
5th Edition | September 2005 | Reaffirmed: August 2014
(ANSI/API MPMS Ch. 5.8-2011)
Product Number: H50305SP| Price: $115.00
Defines the application criteria for ultrasonic flowmeters (UFMs) and
addresses the appropriate considerations regarding the liquids to be
Chapter 5.4
measured. This document addresses the installation, operation, and
Accessory Equipment for Liquid Meters
maintenance of UFMs in liquid hydrocarbon service. The field of
(includes Errata 1 dated May 2015)
application of this standard is the dynamic measurement of liquid
hydrocarbons. While this document is specifically written for custody
Describes the characteristics of accessory equipment used with
transfer measurement, other acceptable applications may include
displacement and turbine meters in liquid hydrocarbon service. Includes
allocation measurement, check meter measurement, and leak detection
guidance on the use of electronic flow computers. Pages: 8
measurement. This document only pertains to spool type, multi-path
4th Edition | September 2005 | Reaffirmed: August 2015
ultrasonic flow meters with permanently affixed acoustic transducer
Product Number: H05044 | Price: $102.00
assemblies. Pages: 23
2nd Edition | November 2011 | Reaffirmed: May 2017
Chapter 5.4 *
Product Number: H050802 | Price: $94.00
Accessory Equipment for Liquid Meters-Russian
(includes Errata 1 dated May 2015)
Chapter 5.8 *
Measurement of Liquid Hydrocarbons by Ultrasonic Flow Meters-
Russian translation of Ch. 5.4.
Russian
4th Edition | September 2005 | Reaffirmed: August 2015
(ANSI/API MPMS Ch. 5.8-2011)
Product Number:H05044R | Price: $102.00
Russian translation of Ch. 5.8.
Chapter 5.4 *
2nd Edition | November 2011 | Reaffirmed: May 2017
Accessory Equipment for Liquid Meters-Spanish
Product Number: H050802R | Price: $94.00
(includes Errata 1 dated May 2015)
Spanish translation of Ch. 5.4.
Chapter 5.8 *
Measurement of Liquid Hydrocarbons by Ultrasonic Flow Meters-
4th Edition | September 2005 | Reaffirmed: August 2015
Product Number:H05044SP | Price: $102.00
Spanish
(ANSI/API MPMS Ch. 5.8-2011)
Chapter 5.5
Spanish translation of Ch. 5.8.
Fidelity and Security of Flow Measurement Pulsed-Data Transmission
2nd Edition | November 2011 | Reaffirmed: May 2017
Systems
Product Number: H050802SP | Price: $94.00
Serves as a guide for the selection, operation, and maintenance of various
types of pulsed-data, cabled transmission systems for fluid metering
systems to provide the desired level of fidelity and security of transmitted
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
58
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This publication is related to an API licensing, certification, or accreditation program.
Petroleum Measurement
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Chapter 6
Chapter 6.5
Metering Assemblies
Metering Systems for Loading and Unloading Marine Bulk Carriers
Deals with the operation and special arrangements of meters, provers,
Discussion of the design, installation, and operation of metering systems
manifolding, instrumentation, and accessory equipment used for
for coping with special situations in hydrocarbon measurement.
measurement during loading and unloading of marine bulk carriers.
Pages: 6
Chapter 6.1
2nd Edition | May 1991 | Reaffirmed: March 2018
Lease Automatic Custody Transfer (LACT) Systems
Product Number: H30125 | Price: $71.00
(includes Addendum 1 dated August 2020)
Prepared as a guide for the design, installation, calibration, and operation
Chapter 6.6
of a lease automatic custody transfer (LACT) system. It applies to
Pipeline Metering Systems
unattended and automatic measurement by meter of hydrocarbon liquids
Provides guidelines for selection of the type and size of meters to be used
produced in the field and transferred to a pipeline in either a scheduled or
to measure pipeline oil movements, as well as the relative advantages and
nonscheduled operation. Pages: 6
disadvantages of the methods of proving meters by tank prover,
2nd Edition | May 1991 | Reaffirmed: December 2017
conventional pipe prover, small volume prover, and master meter. It also
Product Number: H30121 | Price: $66.00
includes discussion on obtaining the best operating results from a
pipeline-meter station. Pages: 9
Chapter 6.1A
2nd Edition | May 1991 | Reaffirmed: December 2017
Metering Assemblies-General Considerations
Product Number: H30126 | Price: $71.00
Part of a set of documents that detail the design, installation, calibration,
Chapter 6.7
and operation of a liquid flow metering system comprised of equipment
Metering Viscous Hydrocarbons
used for the custody transfer of liquid hydrocarbons; Ch. 6.1A is common
Serves as a guide for the design, installation, operation, and proving of meters
to all sections of API MPMS Ch. 6 and specifies the common requirements
and auxiliary equipment used in metering viscous hydrocarbons. It defines
for system criteria. Pages: 27
viscous hydrocarbons and describes the difficulties that arise when viscous
1st Edition | July 2021 | Product Number: H061A1 | Price: $110.00
hydrocarbons are raised to high temperature. The effects of such temperatures
on meters, auxiliary equipment, and fittings are discussed, and advice and
Chapter 6.2
warnings to overcome or mitigate difficulties are included. Pages: 6
Loading Rack Metering Systems
2nd Edition | May 1991 | Reaffirmed: March 2018
Serves as a guide in the selection, installation, and operation of loading rack
2-Year Extension: December 2017
metering systems for petroleum products, including liquefied petroleum gas.
Product Number: H30127 | Price: $71.00
This standard does not endorse or advocate the preferential use of any specific
type of metering system or meter. Pages: 30
Chapter 7.1
3rd Edition | February 2004 | Reaffirmed: July 2016
Liquid-in-Glass Thermometers
Product Number: H60203 | Price: $86.00
Describes how to correctly use various types of liquid-in-glass thermometers
to accurately determine the temperatures of hydrocarbon liquids. Other
Chapter 6.2 *
methods, equipment, and procedures for temperature determination are
Loading Rack Metering Systems-Spanish
described in the other sub-sections of Ch. 7.
Spanish translation of Ch. 6.2.
This chapter describes the methods, equipment, and procedures for
manually determining the temperature of liquid petroleum and petroleum
3rd Edition | February 2004 | Reaffirmed: July 2016
products with liquid-in-glass thermometers. This chapter discusses
Product Number: H60203S | Price: $86.00
temperature measurement requirements in general for custody transfer,
inventory control, and marine measurements. The actual method and
Chapter 6.2A
equipment selected for temperature determination are left to the agreement
Metering Assemblies-Truck and Rail Loading and Unloading
of the parties involved. Pages: 37
Measurement Systems
2nd Edition | August 2017 | Product Number: H70102 | Price: $119.00
Part of a set of documents that detail the minimum requirements for the
design, selection, and operation of truck and rail loading and unloading
Chapter 7.2
metering systems for single phase liquid hydrocarbons. Pages: 45
Portable Electronic Thermometers
1st Edition | July 2021 | Product Number: H062A1 | Price: $130.00
(includes Errata 1 dated January 2021)
Describes the methods, equipment, and procedures for manually
Chapter 6.3A
determining the temperature of liquid petroleum and petroleum products by
use of a portable electronic thermometer (PET).
Metering Assemblies-Pipeline and Marine Loading/Unloading
This chapter discusses temperature measurement requirements in general
Measurement Systems
for custody transfer, inventory control, and marine measurements. The actual
Part of a set of documents that detail the minimum requirements for metering
method and equipment selected for temperature determination are left to
systems in single phase liquid applications. This standard (Ch. 6.3A) serves
the agreement of the parties involved.
as a guide in the selection, installation, and operation of pipeline and marine
The manual method covers:
loading and unloading, floating production, storage, and offloading (FPSO),
nonpressurized tanks and nonpressurized marine vessels;
and floating storage and offloading (FSO) metering systems. Pages: 33
gas-blanketed tanks and gas-blanketed marine vessels.
1st Edition | July 2021 | Product Number: H063A1 | Price: $120.00
It does not cover hydrocarbons under pressures in excess of 21 kPa (3 psi
gauge) or cryogenic temperature measurement, unless the tank is equipped
with a thermowell. Pages: 30
3rd Edition | May 2018 | Product Number: H70203 | Price: $116.00
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
59
Petroleum Measurement
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Chapter 7.3
Chapter 8
Fixed Automatic Tank Temperature Systems
Sampling
Describes the methods, equipment, and procedures for determining the
Covers standardized procedures for sampling petroleum and petroleum
temperature of petroleum and petroleum products under static conditions
products.
by the use of an automatic method. Automatic temperature measurement
is discussed for custody transfer and inventory control for both onshore
Chapter 8.1
and marine measurement applications.
Standard Practice for Manual Sampling of Petroleum and Petroleum
Temperatures of hydrocarbon liquids under static conditions can be
Products
determined by measuring the temperature of the liquid at specific
(ASTM D4057)
locations. Examples of where static temperature determination is required
include storage tanks, ships, and barges.
Covers procedures and equipment for manually obtaining samples of liquid
The application of this standard is restricted to automatic methods for the
petroleum and petroleum products, crude oils, and intermediate products
determination of temperature using fixed automatic tank thermometer
from the sample point into the primary container are described. Procedures
(ATT) systems for hydrocarbons having a Reid vapor pressure at or below
are also included for the sampling of free water and other heavy components
101.325 kPa (14.696 psia).
associated with petroleum and petroleum products. This document also
addresses the sampling of semi-liquid or solid-state petroleum products and
Although not included in the scope, requirements in this standard can be
provides additional specific information about sample container selection,
used for other fluids and other applications including petroleum liquids
preparation, and sample handling. Pages: 57
having Reid vapor pressures in excess of 101.325 kPa (14.696 psia)
tanks with inert gas systems and cryogenic liquids. However, such
6th Edition | September 2022 | Product Number: H8.106 | Price: $85.00
applications can require different performance and installation
specifications. Pages: 27
Chapter 8.2
2nd Edition | October 2011 | Reaffirmed: September 2021
Standard Practice for Automatic Sampling of Petroleum and
Product Number: H70302 | Price: $90.00
Petroleum Products
(ASTM D4177)
Chapter 7.3 *
Describes general procedures and equipment for automatically obtaining
Fixed Automatic Tank Temperature Systems-Spanish
samples of liquid petroleum and petroleum products, crude oils, and
Spanish translation of Ch. 7.3.
intermediate products from the sample point into the primary container.
2nd Edition | October 2011 | Reaffirmed: September 2021
This practice also provides additional specific information about sample
Product Number: H70302SP | Price: $90.00
container selection, preparation, and sample handling. Pages: 57
6th Edition | September 2022 | Product Number: H8.206 | Price: $85.00
Chapter 7.4
Dynamic Temperature Measurement
Chapter 8.3
Standard Practice for Mixing and Handling of Liquid Samples of
Describes methods, equipment, installation, and operating procedures for
the proper determination of the temperature of hydrocarbon liquids under
Petroleum and Petroleum Products
dynamic conditions in custody transfer applications. This standard describes
Covers handling, mixing, and conditioning procedures that are required to
the accuracy requirement and the calibration of the temperature
ensure that a representative sample of the liquid petroleum or petroleum
measurement equipment.
product is delivered from the primary sample container or container or both
This standard does not cover dynamic temperature measurement of
into the analytical apparatus or into intermediate containers. Pages: 30
refrigerated, light hydrocarbon fluids or cryogenic liquids. Pages: 34
2nd Edition | September 2019 | Product Number: H08032 | Price: $69.00
2nd Edition | January 2018 | Product Number: H70402 | Price: $109.00
Chapter 8.3 *
Chapter 7.5/ISO 8310:2012
Standard Practice for Mixing and Handling of Liquid Samples of
Automatic Tank Temperature Measurement Onboard Marine
Petroleum and Petroleum Products-Russian
Vessels Carrying Refrigerated Hydrocarbon and Chemical Gas
Russian translation of Ch. 8.3.
Fluids
2nd Edition | September 2019
(ANSI/API MPMS Ch. 7.5)
Product Number: H08032R | Price: $69.00
Specifies the essential requirements and verification procedures for
automatic tank thermometers (ATTs) consisting of platinum resistance
Chapter 8.4
thermometers (PRT) and an indicating device used for custody transfer
Standard Practice for Sampling and Handling of Fuels for Volatility
measurement of liquefied natural gas, liquefied petroleum, and chemical
Measurement
gases on board ships. Temperature detectors other than PRT are
considered acceptable for use in the custody transfer service of liquefied
(ASTM D5842)
gases if they meet the performance requirements of this document and
Covers procedures and equipment for obtaining, mixing, and handling
are approved by national regulations. Pages: 12
representative samples of volatile fuels for the purpose of testing for
1st Edition | September 2014
compliance with the standards set forth for volatility related measurements
Product Number: HH70501 | Price: $103.00
applicable to light fuels. The applicable dry vapor pressure equivalent
range of this practice is 13 to 110 kPa (2 to 16 psia).
This practice is applicable to the sampling, mixing, and handling of
reformulated fuels including those containing oxygenates. This practice is
not applicable to crude oil. For the sampling of crude oil, refer to Ch. 8.1,
Ch. 8.2, and Ch. 8.5. Pages: 17
5th Edition | May 2020 | Product Number: H08045 | Price: $50.00
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
60
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Petroleum Measurement
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Chapter 8.4 *
Chapter 9.2
Standard Practice for Sampling and Handling of Fuels for Volatility
Standard Test Method for Density or Relative Density of Light
Measurement-Russian
Hydrocarbons by Pressure Hydrometer
(ASTM D5842)
(ASTM D1657)
Russian translation of Ch. 8.4.
Covers the determination of the density or relative density of light
hydrocarbons including liquefied petroleum gases (LPG) having Reid
5th Edition | May 2020 | Product Number: H08045R | Price: $50.00
vapor pressures exceeding 101.325 kPa (14.696 psi).
The prescribed apparatus should not be used for materials having vapor
Chapter 8.5
pressures higher than 1.4 MPa (200 psi) at the test temperature. This
Standard Practice for Manual Piston Cylinder Sampling of Volatile
pressure limit is dictated by the type of equipment. Higher pressures can
Crude Oils, Condensates, and Liquid Petroleum Products
apply to other equipment designs.
(ASTM D8009)
The initial pressure hydrometer readings obtained are uncorrected
hydrometer readings and not density measurements. Readings are
Includes the equipment and procedures for obtaining a representative
measured on a hydrometer at either the reference temperature or at
sample of “live” or high vapor pressure crude oils, condensates, and/or
another convenient temperature, and readings are corrected for the
liquid petroleum products from low pressure sample points, where there is
meniscus effect, the thermal glass expansion effect, alternate calibration
insufficient sample point pressure to use a Floating Piston Cylinder (FPC).
temperature effects, and to the reference temperature by means of
Pages: 21
calculations and volume correction factors (Ch. 11.1) or Ch. 11.2.4 (GPA
2nd Edition | September 2022 | Product Number: H8.502| Price: $60.00
TP-27), as applicable.
Values determined as density or relative density can be converted to
Chapter 8.6/ISO 8943
equivalent values in the other units or alternative reference temperatures
by means of Interconversion Procedures (Ch. 11.5), or volume correction
Refrigerated Light Hydrocarbon Fluids-Sampling of Liquified
factors (Ch. 11.1) or Ch. 11.2.4 (GPA TP-27), as applicable. Pages: 6
Natural Gas-Continuous and Intermittent Methods
3rd Edition | December 2012 | Reaffirmed: May 2017
(ANSI/API MPMS Ch. 8.6-2020)
Product Number: H09023 | Price: $45.00
Specifies methods for the continuous and the intermittent sampling of
liquefied natural gas (LNG) while it is being transferred through an LNG
Chapter 9.3
transfer line.
Standard Test Method for Density, Relative Density, and API Gravity of
This edition of Ch. 8.6 is the modified national adoption of ISO 8943.
Crude Petroleum and Liquid Petroleum Products by Thermohydrometer
Pages: 31
Method
(ASTM D6822)
1st Edition | May 2020 | Product Number: H08061 | Price: $110.00
Covers the determination, using a glass thermohydrometer in conjunction with
a series of calculations, of the density, relative density, or API gravity of crude
Chapter 9
petroleum, petroleum products, or mixtures of petroleum and nonpetroleum
Density Determination
products normally handled as liquids and having a Reid vapor pressures of
Describes the standard methods and apparatus used to determine the specific
101.325 kPa (14.696 psi) or less.
gravity of crude oil and petroleum products normally handled as liquids.
Values are determined at existing temperatures and corrected to 15 °C or
60 °F by means of a series of calculations and international standard tables.
Chapter 9.1
The initial thermohydrometer readings obtained are uncorrected hydrometer
Standard Test Method for Density, Relative Density (Specific Gravity),
readings and not density measurements. Readings are measured on a
or API Gravity of Crude Petroleum and Liquid Petroleum Products by
thermohydrometer at either the reference temperature or at another convenient
Hydrometer Method
temperature, and readings are corrected for the meniscus effect, the thermal
(ASTM D1298)
glass expansion effect, alternate calibration temperature effects, and to the
reference temperature by means of calculations and volume correction factors
Covers the laboratory determination, using a glass hydrometer in
(Ch. 11.1).
conjunction with a series of calculations, of the density, relative density, or
Readings determined as density, relative density, or API gravity can be
API gravity of crude petroleum, petroleum products, or mixtures of
converted to equivalent values in the other units or alternate reference
petroleum and nonpetroleum products normally handled as liquids and
temperatures by means of Interconversion Procedures (Ch. 11.5) or volume
having a Reid vapor pressure of 101.325 kPa (14.696 psi) or less. Values
correction factors (Ch. 11.1), or both, or tables, as applicable. Pages: 10
are determined at existing temperatures and corrected to 15 °C or 60 °F
by means of a series of calculations and international standard tables.
3rd Edition | December 2012 | Reaffirmed: May 2017
Product Number: H09033 | Price: $45.00
The initial hydrometer readings obtained are uncorrected hydrometer
readings and not density measurements. Readings are measured on a
hydrometer at either the reference temperature or at another convenient
temperature, and readings are corrected for the meniscus effect, the
thermal glass expansion effect, alternate calibration temperature effects,
and to the reference temperature by means of volume correction factors;
values obtained at other than the reference temperature being hydrometer
readings and not density measurements.
Readings determined as density, relative density, or API gravity can be
converted to equivalent values in the other units or alternate reference
temperatures by means of Interconversion Procedures (Ch. 11.5) or volume
correction factors (Ch. 11.1), or both, or tables, as applicable. Pages: 8
3rd Edition | December 2012 | Reaffirmed: May 2017
Product Number: H09013 | Price: $45.00
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
61
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Chapter 9.4
Chapter 10.5
Continuous Density Measurement Under Dynamic (Flowing)
Standard Test Method for Water in Petroleum Products and
Conditions
Bituminous Materials by Distillation
(ASTM D95)
(supersedes Ch. 14.6)
Covers the continuous on-line determination and application of flowing liquid
Covers the determination of water in the range from 0 to 25 % volume in
densities for custody transfer. This standard covers liquid and dense phase
petroleum products, tars, and other bituminous materials by the
fluids, including: natural gas liquids, refined products, chemicals, crude oil,
distillation method. Volatile water-soluble material, if present, may be
measured as water. The specific products considered during the
and other liquid products commonly encountered in the petroleum industry.
development of this test method were asphalt, bitumen, tar, fuel oil,
This document does not apply to the density measurement of natural gas,
lubricating oil, lubricating oil additives, and greases. For bituminous
LNG, multiphase mixtures, semi-solid liquids such as asphalt, and solids
emulsions refer to ASTM Test Method D244. For crude oils, refer to
such as coke and slurries. This standard also provides criteria and
Ch. 10.2. Pages: 6
procedures for designing, installing, operating, and proving continuous on-
line density measurement systems for custody transfer. This standard also
5th Edition|September 2013 | Reaffirmed: September 2018
discusses the different levels and requirements of accuracy for various
Product Number: H100505|Price: $45.00
applications. Pages: 135
1st Edition | January 2018 | Product Number: H09041 | Price: $168.00
Chapter 10.6
Standard Test Method for Water and Sediment in Fuel Oils by the
Chapter 10
Centrifuge Method (Laboratory Procedure)
Sediment and Water
(ASTM D1796)
Describes methods for determining the amount of sediment and water,
Describes the laboratory determination of water and sediment in fuel oils
either together or separately in petroleum products. Laboratory and field
in the range from 0 % to 30 % volume by means of the centrifuge
methods are covered.
procedure. Pages: 15
Chapter 10.1
6th Edition | December 2022 | Product Number: H10.606 | Price: $57.00
Standard Test Method for Sediment in Crude Oils and Fuel Oils by
the Extraction Method
Chapter 10.8
(ANSI/ASTM D473)
Standard Test Method for Sediment in Crude Oil by Membrane
covers the determination of sediment in crude oils and fuel oils by extraction
Filtration
with toluene. The precision applies to a range of sediment levels from 0.01 %
(ASTM D4807)
to 0.40 % mass, although higher levels may be determined. Pages: 13
Covers the determination of sediment in crude oils by membrane filtration.
4th Edition | November 2022 | Product Number: H10.104 | Price: $57.00
This test method has been validated for crude oils with sediments up to
approximately 0.15 mass %. The accepted unit of measure for this test
Chapter 10.2
method is mass %, but an equation to convert to volume % is provided.
Standard Test Method for Water in Crude Oil by Distillation
Pages: 5
(ASTM D4006)
2nd Edition | November 2005 | Reaffirmed: March 2015
Covers the determination of water in crude oil by distillation. The values
Product Number: H100802 | Price: $42.00
stated in SI units are to be regarded as standard. No other units of
measurement are included in this standard. Pages: 19
Chapter 10.9
5th Edition | December 2022 | Product Number: H10.205 | Price: $63.00
Standard Test Method for Water in Crude Oils by Coulometric Karl
Fischer Titration
Chapter 10.3
(ASTM D4928)
Standard Test Method for Water and Sediment in Crude Oil by the
Covers the determination of water in the range from 0.02 to 5.00 mass or
Centrifuge Method (Laboratory Procedure)
(ASTM D4007)
volume % in crude oils. Mercaptan (RSH) and sulfide (S¯ or H2S) as sulfur
are known to interfere with this test method, but at levels of less than
Describes the laboratory determination of water and sediment in crude
500 μg/g [ppm(m)], the interference from these compounds is
oils by means of the centrifuge procedure. This centrifuge method for
insignificant. This test method can be used to determine water in the
determining water and sediment in crude oils is not entirely satisfactory.
0.005 to 0.02 mass % range, but the effects of the mercaptan and sulfide
The amount of water detected is almost always lower than the actual water
interference at these levels has not been determined. For the range 0.005
content. When a highly accurate value is required, the revised procedures
to 0.02 mass %, there is no precision or bias statement. This test method
for water by distillation, Test Method D4006 (API MPMS Ch. 10.2), and
is intended for use with standard commercially available coulometric Karl
sediment by extraction, Test Method D473 (API MPMS Ch. 10.1), shall be
Fischer reagent. Pages: 6
used. Pages: 21
3rd Edition | May 2013 | Reaffirmed: June 2018
5th Edition | December 2022| Product Number: H10.305 | Price: $63.00
Product Number: H10093 | Price: $45.00
Chapter 10.4
Chapter 10.9 *
Determination of Water and/or Sediment in Crude Oil by the
Centrifuge Method (Field Procedure)
Standard Test Method for Water in Crude Oils by Coulometric Karl
Fischer Titration-Spanish
Describes the field centrifuge method for determining both water and
sediment or sediment only in crude oil. This method may not always
(ASTM D4928)
produce the most accurate results, but it is considered the most practical
Spanish translation of Ch. 10.9.
method for field determination of water and sediment. This method may
also be used for field determination of sediment. Pages: 34
3rd Edition | May 2013 | Reaffirmed: June 2018
Product Number: H100903SP | Price: $45.00
5th Edition | August 2020 | Product Number: H100405 | Price: $120.00
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
62
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Petroleum Measurement
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TR 2570
11.1 Standard Document + 11.1 VCF Application | $704.00
Continuous On-Line Measurement of Water Content in Petroleum
(15% discount when purchased together)
(Crude Oil and Condensate)
See the listing for “Chapter 11.1-1980” on page 179 of this Catalog for
Provides guidance for the application, installation, operation, verification,
more information on the previous edition of the standard(s).
and proving of on-line water devices (OWDs) for use in the non-custody
transfer measurement of water in crude oil and condensate. A joint API/
Chapter 11.1
Energy Institute (EI) standard, it also carries the EI designation
Add-In Program for Microsoft® Excel
Hydrocarbon Management, HM56. Pages: 17
A Microsoft® Windows compatible 32-bit add-in for Microsoft® Excel that
1st Edition | October 2010 | Reaffirmed: January 2016
provides callable functions for density, correction for temperature and pressure
Product Number: H25701 | Price: $79.00
of a liquid (CTPL), and compressibility coefficient (Fp). These functions allow
calculating density at base conditions or at alternate conditions, CTPL
TR 2573
correction factor used to transform volume and density data to base or desired
Standard Guide for Sediment and Water Determination in Crude Oil
conditions, and the scaled compensation factor for transformation from
(ASTM D7829)
alternate to base conditions or from observed to base conditions for
generalized crude oils, refined products and lubricating oils. They support the
Covers a summary of the water and sediment determination methods from
following process variables: density (API gravity, relative density, and kg/m3),
Ch. 10 for crude oils. The purpose of this guide is to provide a quick
temperature (°F and °C), and pressure (psig, bar, and kPa).
reference to these methodologies such that the reader can make the
appropriate decision regarding which method to use based on the
To order, contact Quorum Software at +1 (713) 430-8600 or send an e-mail
associated benefits, uses, drawbacks, and limitations. Pages: 7
to APIstandards@qbsol.com.
1st Edition | September 2013 | Reaffirmed: September 2018
Product Number: H257301 | Price: $45.00
XL Add-In-runs on a single standalone computer with no network access
Price: $812.00
Chapter 11
XL Add-In-installed on less than 15 standalone computers or ran on a
Physical Properties Data (Volume Correction Factors)
network with less than 15 nodes | Price: $5,408.00
Ch. 11 is the physical data that has direct application to volumetric
XL Add-In-installed on less than 50 standalone computers or ran on a
measurement of liquid hydrocarbons. It is presented in equations relating
network with less than 50 nodes | Price: $8,111.00
volume to temperature and pressure, and computer subroutines. The
subroutines for Ch. 11.1 are available in electronic form. These standards are
XL Add-In-installed on an unlimited number of standalone computers or
not included in the complete set of measurement standards. Each element of
ran on a network with unlimited nodes | Price: $11,897.00
Ch. 11 must be ordered separately.
Chapter 11.1
Chapter 11.1
Dynamic Link Library (DLL)
Standard Document and API 11.1 VCF Application
Temperature and Pressure Volume Correction Factors for
The DLL is compiled from source code written in the C programming
Generalized Crude Oils, Refined Products, and Lubricating Oils
language. The DLL provides subroutines that can be called from
applications written in C or other programming languages. These
(includes Addendum 1 dated September 2007 and Addendum 2
subroutines are subdivided into three groups (density, volume correction
dated May 2019)
factors, and scaled compressibility factor) for generalized crude oils,
(the 2004 edition of this standard also supersedes Ch. 11.2.1 and
refined products, and lubricating oils.
Ch. 11.2.1M)
The density subroutines have two sets of density functions allowing
Provides the algorithm and implementation procedure for the correction of
calculations at base conditions or at alternate conditions.
temperature and pressure effects on density and volume of liquid
The volume correction factor subroutines calculate a correction for the
hydrocarbons that fall within the categories of crude oil, refined products, or
effect of temperature and pressure on a liquid (CTPL), correction for the
lubricating oils. Natural gas liquids and liquefied petroleum gases are excluded
effect of temperature on liquid (CTL), and correction for the effect of
from consideration in this standard. This document is distributed electronically
pressure on liquid (CPL), which are used to transform volume and density
in Portable Document Format (PDF) or as a hard copy, printed document.
data to base or desired conditions.
An API 11.1 VCF Application for calculating VCF is also available. This
The scaled compressibility factor subroutines will convert from alternate to
Windows-based standalone application allows users to calculate volumes
base conditions or from observed to base conditions.
and densities at observed (RHOobs), base (RHOb), and alternate (RHOtp)
The DLL supports the following process units, densities in API gravity,
conditions, combined (CTPL) and independent correction factors for
relative density, and kg/m3, temperatures in °F and °C, and pressures in
temperature (CTL) and pressure (CPL). The application supports both U.S.
psig, bar, and kPa. This version is compatible with and can coexist with the
Customary (API, RD, °F, and psig) and SI (kg/m3, °C, kPag, and Barg) units
1980 version DLL.
of measure, Thermal Expansion Factor (alpha) regression calculator and a
To order, contact Quorum Software at +1 (713) 430-8600 or send an e-mail
Table Generator. The API 11.1 VCF Application is distributed on flash drive or
can be electronically downloaded.
to APIstandards@qbsol.com.
The PDF or hard copy, printed document are sold without the VCF application
DLL-installed on less than 50 standalone computers or ran on a network
through the API websites.
with less than 50 nodes | Price: $16,223.00
The API 11.1 VCF windows based standalone application and the standard
in PDF or print are available to purchase by phone or email. Please contact
DLL-installed on an unlimited number of standalone computers or ran on a
Quorum Software at
+1
(713)
430-8600 or send an e-mail to
network with unlimited nodes | Price: $21,630.00
APIstandards@qbsol.com.
DLL-compiled as part of an application for distribution (software
May 2004 | Product Number: H11013 | Reaffirmed: August 2012
distributor) Price: $32,445.00
2-Year Extension: March 2017
11.1 Standard Document | $260.00 per document
11.1 VCF Application | $568.00 per single user license
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
63
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Chapter 11.1
Chapter 11.2.2M *
Source Code
Compressibility Factors for Hydrocarbons: 350-637 Kilograms per
ANSI C-Code used to compile the dynamic link libraries (DLLs). The source
Cubic Meter Density (15 °C) and -46 °C to 60 °C Metering
code may be compiled into user programs to calculate temperature and
Temperature-Russian
pressure volume correction factors for generalized crude oils, refined
Russian translation of Ch. 11.2.2M.
products, and lubricating oils.
1st Edition | October 1986 | Reaffirmed: September 2017
NOTE An experienced C programmer will be needed to implement the C-Code
Product Number: H27309R | Price: $185.00
subroutines. API does not directly provide technical support for the C-Code;
however, a support program is available from Flow-Cal, Inc.
Chapter 11.2.4
To order, contact Quorum Software at +1 (713) 430-8600 or send an e-mail
Temperature Correction for the Volume of NGL and LPG Tables 23E,
to APIstandards@qbsol.com.
24E, 53E, 54E, 59E, 60E
C-Code-compiled to run on a network with less than 50 nodes
(GPA 8217)
Price: $24,334.00
Consists of the implementation procedures for the correction of
temperature effects on density and volume of natural gas liquids and
C-Code-compiled to run on a network with unlimited nodes
liquified petroleum gas. Sample tables, flow charts, and specific examples
Price: $32,445.00
created from a computerized version of these implementation procedures
are included. The examples provide guidance and checkpoints for those
C-Code-compiled as part of an application for distribution
who wish to implement a computerized procedure to represent the
(software distributor) | Price: $48,668.00
standard, however these are not part of the actual standard.
Chapter 11.1
This standard covers a 60 °F relative density range of 0.3500 to 0.6880,
which nominally equates to a density at 15 °C of 351.7 kg/m3 to
Source Code, DLL & XL Add-In-Combined
687.8 kg/m3 and a density at 20 °C of 331.7 kg/m3 to 683.6 kg/m3.
To order, contact Quorum Software at +1 (713) 430-8600 or send an e-mail
The temperature range of this standard is -50.8 °F to 199.4 °F (-46 °C
to APIstandards@qbsol.com.
to 93 °C). At all conditions, the pressure is assumed to be at saturation
conditions (also known as bubble point or saturation vapor pressure).
C-Code, DLL, and XL Add-In-compiled to run on a network with less
Pages: 155
than 50 nodes | Price: $29,741.00
2nd Edition | June 2019 | Product Number: H1102042 | Price: $205.00
C-Code, DLL, and XL Add-In-compiled to run on a network with
Chapter 11.2.4 *
unlimited nodes | Price: $40,016.00
Temperature Correction for the Volume of NGL and LPG Tables 23E,
C-Code, DLL, and XL Add-In-compiled as part of an application for
24E, 53E, 54E, 59E, 60E-Russian
distribution (software distributor) | Price: $56,650.00
(GPA 8217)
Russian translation of Ch. 11.2.4.
Chapter 11.2
Data File of Chapters 11.2.2 and 11.2.2M
2nd Edition | June 2019 | Product Number: H1102042R | Price: $205.00
This package includes a data file of tables found in Ch. 11.2.2 and
Chapter 11.2.5
Ch. 11.2.2M. The tables, presented in both U.S. customary (USC) and
A Simplified Vapor Pressure Correlation for Commercial NGLs
metric (SI) units, cover compressibility factors for light hydrocarbons.
This revised standard is effective upon the date of publication and
1st Edition | August 1984 | Product Number: H27320 | Price: $321.00
supersedes all previous revisions of the standard, including API MPMS
11.2.2A/GPA TP-15. Two methods used for calculation of the correction
Chapter 11.2.2
factor for pressure effects (Fp) were standardized by API: MPMS Chapter
Compressibility Factors for Hydrocarbons: 0.350-0.637 Relative
11.2.1-1984 (now superseded by Chapter 11.1-2004 and MPMS Chapter
Density (60 °F/60 °F) and -50 °F to 140 °F Metering Temperature
11.2.2-1986. These methods require a knowledge of the equilibrium
bubble point pressure (vapor pressure) at the measured conditions.
Provides tables to correct hydrocarbon volumes metered under pressure for
However, the vapor pressure of the process liquid is generally not
the metered temperature. Contains compressibility factors related to the
measured. The vapor pressure can also be calculated from compositional
meter temperature and relative density (60 °F/60 °F) of the metered
information, but the composition is not always measured for natural gas
material. Pages: 246
liquids (NGLs). This document provides a simplified correlation for the
2nd Edition | October 1986 | Reaffirmed: September 2017
vapor pressure of NGLs based upon normally measured. Pages: 32
Product Number: H27307 | Price: $185.00
2nd Edition | December 2020 | Product Number: H1102052 | Price: $110.00
Chapter 11.2.2M
Chapter 11.3.2.1
Compressibility Factors for Hydrocarbons: 350-637 Kilograms per
Ethylene Density
Cubic Meter Density (15 °C) and -46 °C to 60 °C Metering
Identifies an equation of state (EOS) suitable for use in custody transfer
Temperature
measurement of pure ethylene (>99 %) in the gaseous, liquid, and super
critical phases. Given flowing temperature and pressure, an EOS is
Provides tables to correct hydrocarbon volumes metered under pressure to
capable of calculating density and other thermodynamic properties used
corresponding volumes at equilibrium pressure for the metered temperature.
to calculate mass and volumetric flow of ethylene to custody transfer
The standard contains compressibility factors related to the meter temperature
accuracy. All accuracy and uncertainty statements in this standard are
and density (15 °C) of the metered material. Pages: 264
limited to the EOS results and do not include the uncertainty added by the
1st Edition | October 1986 | Reaffirmed: September 2017
primary and secondary measuring equipment. Pages: 4
Product Number: H27309 | Price: $185.00
2nd Edition | May 2013 | Product Number: H1132102 | Price: $66.00
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
64
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Chapter 11.3.3
TR 2580
Miscellaneous Hydrocarbon Product Properties-Denatured Ethanol
Documentation Report and Data Files for: API MPMS Chapter
Density and Volume Correction Factors
11.3.3 and API MPMS Chapter 11.3.4
Covers density and volume correction factors for denatured fuel ethanol.
Assembles and makes available the various foundational data and
Annex E of the Third Edition presents a method to determine the
materials used in the development of API MPMS Chapter 11.3.3 and API
compressibility factor for ethanol. The actual standard consists of the
MPMS Chapter 11.3.4. It includes the historical reports and spreadsheets
explicit implementation procedures set forth in this document. Sample
used as is, without update or reconciliation for any later changes. This
document does not extend, modify, or otherwise change anything in the
tables and other examples created from a computerized version of this
standards as published by API.
implementation procedure are presented as examples only, and do not
represent the standard.
Users should not attempt to develop their own implementations of the
standard calculations from this document.
This standard is applicable at any operating temperature to bulk (e.g. tank
The user is directed to the published implementations in the standards.
trucks, tank cargos, barges) denatured 95 % to 99 % fuel ethanol
This document contains only the background materials, not the standards,
containing D4806 allowed denaturants (natural gasoline, gasoline blend
nor any computer implementation of the standards. Only the final versions
stocks, and unleaded gasoline) and denatured 99+ % fuel ethanol
of materials have been included. Some graphs within the spreadsheets
containing less than 1 % denaturant. This standard does not apply to
may not appear the same as in published documents because the authors
undenatured ethanol of any purity. Annex E extends the range of
may have changed settings or data filters in the spreadsheets subsequent
application to -40 to 60 °C (-40 to 140 °F) over the pressure range of 0
to copying the graphs for publication.
to 15 MPa (0 to 2200 psi). Pages: 29
Annex A through Annex G materials are available in files for download from
3rd Edition | May 2019 | Product Number: H1103033 | Price: $160.00
API Publications for purchasers of this document. Annex H is included in
this document. Pages: 33
Chapter 11.3.3.2
1st Edition | May 2019 | Product Number: H258001 | Price: $220.00
Propylene Compressibility
An electronic FORTRAN Source Code text file on CD-ROM that will produce a
Chapter 11.4.1
table of values applicable to liquid propylene in the following ranges:
Properties of Reference Materials, Part 1-Density of Water and Water
temperature, 30 °F to 165 °F, and saturation pressure to 1600 psia. It
Volumetric Correction Factors for Water Calibration of Volumetric
computes the following two values: density (pounds per cubic foot) at flowing
temperature and pressure, and ratio of density at flowing conditions to density
Provers
at 60 °F and saturation pressure. A documentation file is also included.
Specifies the density of water to be used in all applicable API MPMS
January 1974 | Reaffirmed: October 2017
standards. It also specifies the volume correction factor equation for water and
Product Number: H25656 | Price: $321.00
demonstrates its use for water calibration of volumetric provers. Pages: 25
2nd Edition | July 2018 | Product Number: H11412 | Price: $81.00
Chapter 11.3.4
Miscellaneous Hydrocarbon Product Properties-Denatured
Chapter 11.5
Ethanol and Gasoline Component Blend Densities and Volume
Density/Weight/Volume Intraconversion
Correction Factors
[includes Errata 1 dated September 2011 (updated September 2013)]
Covers density and volume correction factors for blends of denatured
[replaces Ch. 11.1-1980 Volumes XI/XII (ASTM D1250-80, IP 200/80)]
ethanol and gasoline blend components ranging from 0 % to 95 %
These intraconversion tables are applicable to all crude oils, petroleum
denatured ethanol based upon calculation methods defined in API MPMS
products, and petrochemicals. These standards are intended for
Chapter 11.1 and Chapter 11.3.3. Calculation of blends and denatured
application to bulk liquid quantities. Ch. 11.5, Parts 1 to 3 are available
ethanol containing more than 95 % ethanol should use the calculation
collectively on one CD-ROM.
procedures within API MPMS Chapter 11.3.3.
1st Edition | March 2009 | Reaffirmed: March 2015
The standard consists of correlations and algorithms for estimating the
Product Number: H1105CD | Price: $268.00
blend volume change at base conditions and for calculating volume
correction factors of denatured ethanol and gasoline component blends.
This standard also provides the algorithms to estimate certain blend
Chapter 11.5.1
properties in blending situations where some of the required parameters
Part 1-Conversions of API Gravity at 60 °F
are not measured.
Provides implementation procedures for conversion of API gravity at 60 °F
This standard is applicable to blends containing denatured ethanol and
to equivalent densities in both in vacuo and in air values. This standard
gasoline blend components with 15.5 °C (60 °F) densities ranging from
gives the following equivalents for any value of API gravity at 60 °F:
680 to 800 kg/m3 (45.2 to 76.4 °API) containing between 0 % and
relative density at 60 °F (old Table 3);
95 % by volume denatured ethanol over the temperature range of -40 °C
to 50 °C (-40 °F to 122 °F) and pressure range of 0 to 10.34 MPa gage
absolute density at 60 °F;
(0 to 1508 psig). Pages: 60
absolute density at 15 °C (old Table 3);
1st Edition | May 2019 | Product Number: H11030401 | Price: $180.00
pounds per U.S. gallon at 60 °F in vacuo and in air (old Table 8);
U.S. gallons per pound at 60 °F in vacuo and in air (old Table 8);
short tons per 1000 U.S. gallons at 60 °F in vacuo and in air (old
Table 9);
U.S. gallons per short ton at 60 °F in vacuo and in air (old Table 10);
short tons per barrel at 60 °F in vacuo and in air (old Table 9);
barrels per short ton at 60 °F in vacuo and in air (old Table 10);
long tons per 1000 U.S. gallons at 60 °F in vacuo and in air (old
Table 11);
U.S. gallons per long ton at 60 °F in vacuo and in air (old Table 12);
long tons per barrel at 60 °F in vacuo and in air (old Table 11);
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
65
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barrels per long ton at 60 °F in vacuo and in air (old Table 12);
cubic metres per short ton at 15 °C in vacuo and in air;
metric tons per 1000 U.S. gallons at 60 °F in vacuo and in air (old
cubic metres per long ton at 15 °C in vacuo and in air;
Table 13);
pounds per U.S. gallon at 60 °F in vacuo and in air;
metric tons per barrel at 60 °F in vacuo and in air (old Table 13);
U.S. gallons per pound at 60 °F in vacuo and in air;
barrels per metric ton at 60 °F in vacuo and in air;
short tons per 1000 litres (cubic metres) at 15 °C in vacuo and in air (old
cubic metres per short ton at 15 °C in vacuo and in air (old Table 14);
Table 57);
cubic metres per long ton at 15 °C in vacuo and in air (old Table 14).
short tons per 1000 U.S. gallons at 60 °F in vacuo and in air;
While not related to API gravity, the following are included for user
U.S. gallons per short ton at 60 °F in vacuo and in air;
convenience:
short tons per barrel at 60 °F in vacuo and in air;
U.S. gallons at 60 °F to litres at 15 °C (old Table 4);
barrels per short ton at 60 °F in vacuo and in air;
barrels at 60 °F to litres at 15 °C (old Table 4).
long tons per 1000 litres (cubic metres) at 15 °C in vacuo and in air (old
Table 57);
Chapter 11.5.2
U.S. gallons per metric ton at 60 °F in vacuo and in air (old Table 58);
Part 2-Conversions for Relative Density (60/60 °F)
barrels per metric ton at 60 °F in vacuo and in air (old Table 58);
Provides implementation procedures for conversion of relative density (60/
long tons per 1000 U.S. gallons at 60 °F in vacuo and in air;
60 °F) to equivalent densities in both in vacuo and in air values. This standard
gives the following equivalents for any value of relative density (60/60 °F):
U.S. gallons per long ton at 60 °F in vacuo and in air;
API gravity at 60 °F (old Table 21);
long tons per barrel at 60 °F in vacuo and in air;
absolute density at 60 °F;
barrels per long ton at 60 °F in vacuo and in air.
absolute density at 15 °F (old Table 21);
While not related to relative density, the following are included for user
convenience:
pounds per U.S. gallon at 60 °F in and in air (old Table 26);
litres at 15 °C to U.S. gallons at 60 °F;
U.S. gallons per pound at 60 °F in vacuo and in air (old Table 26);
cubic metres at 15 °C to barrels at 60 °F (old Table 52).
short tons per 1000 U.S. gallons at 60 °F in vacuo and in air (old
Table 27);
Chapter 12
U.S. gallons per short ton at 60 °F in vacuo and in air (old Table 28);
Calculation of Petroleum Quantities
short tons per barrel at 60 °F in vacuo and in air (old Table 27);
Describes the standard procedures for calculating net standard volumes,
barrels per short ton at 60 °F in vacuo and in air (old Table 28);
including the application of correction factors and the importance of significant
long tons per 1000 U.S. gallons at 60 °F in vacuo and in air (old
figures. The purpose of standardizing the calculation procedure is to achieve
Table 29);
the same result regardless of which person or computer does the calculating.
U.S. gallons per long ton at 60 °F in vacuo and in air (old Table 30);
Chapter 12.1.1
long tons per barrel at 60 °F in vacuo and in air (old Table 29);
Calculation of Static Petroleum Quantities, Part 1-Upright Cylindrical
barrels per long ton at 60 °F in vacuo and in air (old Table 30);
Tanks and Marine Vessels
metric tons per 1000 U.S. gallons at 60 °F in vacuo and in air;
Guides the user through the steps necessary to calculate static liquid
metric tons per barrel at 60 °F in vacuo and in air;
quantities, at atmospheric conditions, in upright cylindrical tanks and
barrels per metric ton at 60 °F in vacuo and in air;
marine tank vessels. It defines terms employed in the calculation of static
petroleum quantities.
cubic metres per short ton at 15 °C in vacuo and in air (old Table 31);
This document also specifies equations that allow the values of some
cubic metres per long ton at 15 °C in vacuo and in air (old Table 31).
correction factors to be computed. Fundamental to this process is the
While not related to relative density, the following are included for user
understanding that, in order for different parties to be able to reconcile
convenience:
volumes, they must start with the same basic information (tank capacity
U.S. gallons at 60 °F to litres at 15 °C (old Table 22);
table, levels, temperatures, and so forth) regardless of whether the
information is gathered automatically or manually. Pages: 52
barrels at 60 °F to litres at 15 °C (old Table 22, Table 52).
4th Edition | February 2019 | Product Number: H1201014 | Price: $125.00
Chapter 11.5.3
Chapter 12.1.1 *
Part 3-Conversions for Absolute Density at 15 °C
Calculation of Static Petroleum Quantities, Part 1-Upright Cylindrical
Provides implementation procedures for conversion of absolute density at
Tanks and Marine Vessels-Spanish
15 °C to equivalent densities in both in vacuo and in air values. This standard
gives the following equivalents for any value of absolute density at 15 °C:
Spanish translation of Ch. 12.1.1.
relative density at 15 °C;
4th Edition | February 2019 | Product Number: H1201014 | Price: $125.00
absolute density at 60 °F;
Chapter 12.1.2
relative density at 60 °F (old Table 51);
Calculation of Static Petroleum Quantities, Part 2-Calculation
API gravity at 60 °F (old Table 51);
Procedures for Tank Cars
density at 15 °C (similar to old Table 56);
Describes the standardized method for calculating target loading
conversion of apparent density at 15 °C to absolute density at 15 °C;
quantities and actual loading quantities of liquids in tank cars. Also
cubic metres per metric ton at 15 °C in vacuo and in air (similar to old
explained are the factors required for the calculations. This information is
Table 56);
applicable to all crude oils, petroleum products, and petrochemicals
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
66
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(including LPGs and other liquefied gases) transported by rail tank car. It
Chapter 12.3
does not cover any products loaded or measured as solids. It defines the
Calculation of Volumetric Shrinkage from Blending Light Hydrocarbons
terms required to understand the calculations and provides instructions for
with Crude Oils
their use; includes 13 calculation examples in Appendix E. Pages: 62
(includes Ch. 12 Addendum 1 dated August 2007)
2nd Edition | February 2018 | Product Number: H12122 | Price: $128.00
Provides background, theory, calculation examples, and tables to correct
for volumetric shrinkage resulting when blending volatile hydrocarbons with
Chapter 12.2
crude oil. The tables are entered with density differentials at standard
Calculation of Petroleum Quantities Using Dynamic Measurement
conditions and percentage light hydrocarbon in total mix. This standard
supersedes and replaces Bull 2509C, 2nd Edition, 1967. Pages: 110
Methods and Volumetric Correction Factors
(supersedes Ch. 12.2.1, Ch. 12.2.2, and Ch. 12.2.3)
1st Edition | July 1996 | Reaffirmed: July 2022
Product Number: H12031 | Price: $97.00
Presents the calculation procedures for dynamic measurement tickets
(meter tickets), and meter proving of devices with volumetric outputs. This
Chapter 13
document provides standardized calculation methods for the
quantification of liquids and the determination of base prover volumes
Statistical Aspects of Measuring and Sampling
under defined conditions, regardless of the point of origin or destination or
The more accurate petroleum measurement becomes, the more its
the units of measure required by governmental customs or statute. The
practitioners stand in need of statistical methods to express residual
criteria contained in this document allow different entities using various
uncertainties. This chapter covers the application of statistical methods to
computer languages on different computer hardware (or manual
petroleum measurement and sampling.
calculations) to arrive at output results within a defined tolerance as
specified within this document, using the same input data. The publication
Chapter 13.2
rigorously specifies the equations for computing correction factors, rules
Methods of Evaluating Meter Proving Data
for rounding, calculational sequence, and discrimination levels to be
Establishes the basic concepts and procedures to estimate and report
employed in the calculations. Pages: 69
meter performance uncertainty in consistent and comparable ways.
2nd Edition | July 2021 | Product Number: H12202 | Price: $200.00
Pages: 40
2nd Edition | April 2018 | Product Number: H13022 | Price: $105.00
Chapter 12.2.4
Calculation of Petroleum Quantities Using Dynamic Measurement
Ch. 13.3
Methods and Volumetric Correction Factors, Part 4-Calculation of
Measurement Uncertainty
Base Prover Volumes by Waterdraw Method
Establishes a methodology to develop uncertainty analyses for use in
(includes Ch. 12 Addendum 1 dated August 2007 and Errata 1
writing API Manual of Petroleum Measurement Standards (MPMS)
dated July 2009)
documents that are consistent with the ISO GUM and NIST Technical Note
1297. This standard also supersedes Ch. 13.1, 1st Edition, 1985, which
Provides a standardized calculation method to determine a base prover
is withdrawn. Pages: 75
volume under defined conditions. Specifically, this standard discusses the
calculation procedures for the waterdraw calibration method, which is one
2nd Edition | December 2017 | Reaffirmed: December 2022
of several different procedures used to determine base prover volume
Product Number: H130302 | Price: $122.00
(BPV) of a displacement prover. Pages: 58
1st Edition | December 1997 | Reaffirmed: January 2022
Chapter 13.3 *
Product Number: H12024 | Price: $133.00
Measurement Uncertainty-Spanish
Spanish translation of Ch. 13.3.
Chapter 12.2.5
2nd Edition | December 2017 | Reaffirmed: December 2022
Calculation of Petroleum Quantities Using Dynamic Measurement
Product Number: H130302S | Price: $122.00
Methods and Volumetric Correction Factors, Part 5-Base Prover
Volume Using Master Meter Method
Chapter 14
(includes Ch. 12 Addendum 1 dated August 2007 and Errata 1
Natural Gas Fluids Measurement
dated July 2009)
Standardizes practices for measuring, sampling, and testing natural gas
Provides standardized calculation methods for the quantification of liquids
fluids.
and the determination of base prover volumes under defined conditions,
regardless of the point of origin or destination or units of measure required
Chapter 14.1
by governmental customs or statute. The criteria contained in this
Collecting and Handling of Natural Gas Samples for Custody Transfer
document allow different entities using various computer languages on
(GPA 2166)
different computer hardware (or manual calculations) to arrive at identical
Provides comprehensive guidelines and procedures for properly extracting,
results using the same standardized input data. Pages: 108
collecting, conditioning, and handling a sample from a flowing natural gas
1st Edition | September 2001 | Reaffirmed: August 2016
stream at or above its dew point temperature and that represents the
Product Number: H12025 | Price: $184.00
composition of the vapor-phase portion of the source fluid. This standard
considers spot, composite, continuous, online, and mobile sampling
systems and does not include sampling of liquid or multiphase streams.
Pages: 110
8th Edition | September 2022
Product Number: H14.108 | Price: $294.00
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
67
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Chapter 14.3.1
Chapter 14.4
Orifice Metering of Natural Gas and Other Related Hydrocarbon
Converting Mass of Natural Gas Liquids and Vapors to Equivalent
Fluids-Concentric Square-Edged Orifice Meters, Part 1: General
Liquid Volumes
Equations and Uncertainty Guidelines
(GPA 8173-17)
(ANSI/API MPMS Ch. 14.3.1-2012) (AGA Report No. 3, Part 1)
Prescribes a method for calculating liquid volumes at equilibrium
(includes Errata 1 dated July 2013)
pressures and at temperatures of 60 °F, 15 °C, and 20 °C from the mass
of a natural gas fluid (liquid or vapor) measured at operating conditions, in
Provides a single reference for engineering equations, uncertainty estimations,
construction and installation requirements, and standardized implementation
conjunction with a representative compositional analysis and published
recommendations for the calculation of flow rate through concentric, square-
values for each component’s molar mass and absolute density. Pages: 24
edged, flange-tapped orifice meters. Both U.S. customary (USC) and
2nd Edition | June 2017 | Product Number: H140402 | Price: $71.00
international system of units (SI) units are included. The mass flow rate and
base (or standard) volumetric flow rate equations are discussed, along with the
Chapter 14.5
terms required for solution of the flow equation. The empirical equations for the
Calculation of Gross Heating Value, Relative Density, Compressibility
coefficient of discharge and expansion factor are also presented. This revision
and Theoretical Hydrocarbon Liquid Content for Natural Gas
includes a change to the empirical expansion factor calculation for flange-
tapped orifice meters. Pages: 58
Mixtures for Custody Transfer
(GPA 2172-09)
4th Edition | September 2012 | Reaffirmed: September 2017
Product Number: H1403014 | Price: $196.00
Presents procedures for calculating, at base conditions from composition,
the following properties of natural gas mixtures: gross heating value,
Chapter 14.3.2
relative density (real and ideal), compressibility factor, and theoretical
hydrocarbon liquid content, which in the U.S. is typically expressed as
Orifice Metering of Natural Gas and Other Related Hydrocarbon
GPM, the abbreviation for gallons of liquid per thousand cubic feet of gas.
Fluids-Concentric, Square-Edged Orifice Meters, Part
2:
Rigorous calculation of the effect of water upon these calculations is
Specification and Installation Requirements
complicated. Because this document relates primarily to custody transfer,
(ANSI/API MPMS Ch. 14.3.2-2016) (AGA Report No. 3, Part 2)
the water effect included is an acceptable contractual calculation. Annex A
(includes Errata 1 dated March 2017 and Errata 2 dated January 2019)
of this standard contains a detailed investigation of the effect of water and
Outlines the specification and installation requirements for the
detailed derivations of the equations presented in the standard. Pages: 41
measurement of single-phase, homogeneous Newtonian fluids using
3rd Edition | January 2009 | Reaffirmed: November 2020
concentric, square-edged, flange-tapped orifice meters. It provides
Product Number: H140503 | Price: $79.00
specifications for the construction and installation of orifice plates, meter
tubes, and associated fittings when designing metering facilities using
Chapter 14.7
orifice meters. Pages: 74
Mass Measurement of Natural Gas Liquids and Other Hydrocarbons
5th Edition | March 2016 | Product Number: H1403025 | Price: $204.00
(GPA 8182-18)
Chapter 14.3.3
Serves as a reference for the selection, design, installation, operation, and
maintenance of single-phase dynamic liquid mass measurement systems
Orifice Metering of Natural Gas and Other Related Hydrocarbon
that operate in the 350 to 688 kg/m3 (0.350 to 0.689 relative density at
Fluids-Concentric, Square-Edged Orifice Meters, Part 3: Natural
60 °F) density range. The mass measurement systems within the scope of
Gas Applications
this document include inferred mass measurement, where volume at flowing
(ANSI/API MPMS Ch. 14.3.3-2013) (AGA Report No. 3, Part 3)
conditions is combined with density at similar conditions to result in
measured mass, as well as Coriolis mass measurement. Liquids with density
Developed as an application guide for the calculation of natural gas flow
below 350 and above 688 kg/m3 (below 0.350 and above 0.689 relative
through a flange-tapped, concentric orifice meter, using the U.S.
density at 60 °F) and cryogenic fluids (colder than approximately -50 °F)
customary (USC) inch-pound system of units. It also provides practical
are excluded from the scope of this document, but the principles described
guidelines for applying Ch. 14.3, Parts 1 and 2, to the measurement of
herein may apply to such streams. Sampling equipment and techniques are
natural gas. Pages: 54
covered including standards for analytical methods used to determine the
4th Edition | June 2021
composition of the sampled product. Equations of state and correlations
Product Number: H1403034 |Price: $239.00
used to calculate the density of the product are discussed. The standard
used to convert mass to equivalent liquid volumes of components is also
Chapter 14.3.4
discussed. Pages: 16
Orifice Metering of Natural Gas and Other Related Hydrocarbon
5th Edition | February 2018 | Product Number: H140705 | Price: $77.00
Fluids-Concentric, Square-edged Orifice Meters Part
4-
Background, Development, Implementation Procedure, and
Chapter 14.9
Example Calculations
Measurement of Natural Gas by Coriolis Meter
(AGA Report No. 3, Part 4)
(AGA Report No. 11)
Describes the background and development of the equation for the
Developed to assist designers and users in operating, calibrating,
coefficient of discharge of flange-tapped square-edged concentric orifice
installing, maintaining, and verifying Coriolis flow meters used for natural
meters and recommends a flow rate calculation procedure. The
gas flow measurement.
recommended procedures provide consistent computational results for the
quantification of fluid flow under defined conditions, regardless of the point
2nd Edition | February 2013
of origin or destination, or the units of measure required by governmental
Order from the American Gas Association, 500 N. Capitol Street NW,
customs or statute.
Washington, DC 20001 | 202-824-7000
The procedures allow different users with different computer languages on
different computing hardware to arrive at almost identical results using the
same standardized input data. Pages: 112
4th Edition | October 2019 | Product Number: H1403044 | Price: $186.00
68
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Chapter 14.10
into convenient categories related to their use. They were chosen to meet
Measurement of Flow to Flares
the needs of the many and varied aspects of the petroleum industry, but
also should be useful in other, similar process industries. Pages: 44
Addresses measurement of flow to flares and includes:
4th Edition | June 2019 | Product Number: H15004 | Price: $130.00
application considerations,
selection criteria and other considerations for flare meters and related
Chapter 16
instrumentation,
Measurement of Hydrocarbon Fluids by Weight or Mass
installation considerations,
Covers the static and dynamic measurement of hydrocarbon fluids by
limitations of flare measurement technologies,
weight or mass.
calibration,
Chapter 16.2
operation,
Mass Measurement of Liquid Hydrocarbons in Vertical Cylindrical
uncertainty and propagation of error,
Storage Tanks by Hydrostatic Tank Gauging
calculations.
Provides guidance on the installation, commissioning, maintenance,
The scope of this standard does not include analytical instrumentation.
validation, and calibration of hydrostatic tank gauging systems for the
Pages: 75
direct measurement of static mass of liquid hydrocarbons in storage tanks.
2nd Edition | December 2021
This edition is applicable to hydrostatic tank gauging systems that use
pressure sensors with one port open to the atmosphere. It is also
Product Number: H140102 | Price: $150.00
applicable for use on vertical cylindrical atmospheric storage tanks with
either fixed or floating roofs. Pages: 20
Chapter 14.12
1st Edition | November 1994 | Reaffirmed: September 2017
Measurement of Gas by Vortex Meters
Product Number: H16021 | Price: $105.00
Addresses the following: (a) provides generic information on full-bore vortex
shedding flowmeters, including glossary, and sets of engineering equations
Chapter 17
useful in specifying performance; (b) describes vortex shedding flowmeters
Marine Measurement
in which alternating vortices are shed from one or more bluff bodies installed
in a closed conduit; (c) describes how the vortex shedding frequency is used
Provides guidelines for the measurement and reporting of hydrocarbons
to determine the velocity to infer the volume, mass, and/or energy flow rate
including but not limited to crude oil or petroleum product for transfers by
and the total gas flow through the meter over a specific time interval; (d)
shore terminal operators, vessel personnel, and other parties involved in
applies only to single phase gas flows in closed conduit that are steady or
cargo transfer measurement and accountability operations.
vary slowly in time. For fiscal measurement, the output of the flow rate shall
be within the acceptable limits of steady state flow rate; (e) describes the
Chapter 17.1
physical components of vortex shedding flowmeters and identifies need for
Guidelines for Marine Cargo Inspection
inspection, certification, and material traceability; (f) addresses the effect of
Specifies the policy and minimum recommended practices for the manual
gas properties, installation, and process conditions that may affect the
and automatic measurement, sampling, and accounting for bulk
measurement uncertainty and describes guidelines for reducing or
quantities of crude oil (including spiked, blended, and reconstituted crude
eliminating their influences; (g) defines the method for calculating
oil), petroleum products, and chemicals that are transported on marine
uncertainty of the flow rate measurement; (h) defines the meter output
vessels. The activities described in these guidelines include actions by
requirements and necessary information pertaining to the meter output for
producers, buyers, sellers, terminal operators, vessel owners and their
the purpose of fiscal measurement of gas; and (i) provides calibration and/
crews, customs authorities, independent inspectors, and other parties with
or performance verification guidance for the field application. Pages: 35
an interest in measurements. The purchase of this document includes
Excel® spreadsheets of the Sample Forms in Annex A (excluding “Voyage
1st Edition | March 2017 | Product Number: H140121 | Price: $94.00
Analysis Report,” which is available in API MPMS Ch. 17.5). The sample
forms are designed to provide a guideline for recording and reporting
Chapter 14.13
essential data obtained during the marine cargo inspection procedure.
Simplified Metering System Design and Performance-Based
Pages: 55
Methodology for Non-Custody Gas Measurement
7th Edition | February 2022 | Product Number: H170107 | Price: $180.00
Provides guidance in the following areas to allow the user to achieve a
targeted uncertainty of measurement: selection of flow meter type:
Chapter 17.2
differential pressure, displacement, ultrasonic, Coriolis, vortex, turbine,
Measurement of Cargoes On Board Tank Vessels
thermal, and others; associated instrumentation for measuring fluid
(includes Errata 1 dated April 2000)
properties and flowing conditions, such as pressure and temperature
Covers manual portable measurement units through deck-fitted vapor
transmitters, densitometers, gas chromatographs; obtaining and use of gas
control valves and fixed automatic tank gauge systems for use when a
composition or other analytical data; design and installation requirements of
marine vessel's cargo tanks may not be open to the atmosphere. It
the measurement system; inspection, verification, and calibration practices
establishes the procedures for obtaining the level measurements of cargo,
of flow meters and their associated accessory instrumentation; and
free water, and onboard quantity/remaining onboard (OBQ/ROB), as well
simplified uncertainty calculations with examples to illustrate the
as taking the temperatures and samples required for the marine custody
methodology. Pages: 77
transfer of bulk liquid petroleum cargoes under closed or restricted system
measurement conditions. This standard is not intended for use with
1st Edition | October 2022 | Product Number: H14.1301 | Price: $150.00
pressurized or refrigerated cargoes such as LPG and LNG. Pages: 19
2nd Edition | May 1999 | Reaffirmed: September 2011
Chapter 15
2-Year Extension: May 2016 | Product Number: H17022 | Price: $143.00
Guidelines for the Use of Petroleum Industry-Specific International
System (SI) Units
Specifies the API-preferred units for quantities involved in petroleum
industry measurements and indicates factors for conversion of quantities
expressed in customary units to the API-preferred SI units not covered in
ASTM/IEEE SI-10. The quantities that comprise the tables are grouped
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
69
Petroleum Measurement
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Chapter 17.2 *
Chapter 17.6
Measurement of Cargoes On Board Tank Vessels-Spanish
Guidelines for Determining Fullness of Pipelines Between Vessels
(includes Errata 1 dated April 2000)
and Shore Tanks
Spanish translation of Ch. 17.2.
Describes procedures for determining or confirming the fill condition of
pipeline systems used for the transfer of liquid cargoes before and/or after
2nd Edition | May 1999 | Reaffirmed: September 2011
the liquid is loaded onto or discharged from marine vessels. While this
Product Number: H1702SP | Price: $143.00
standard primarily addresses pipelines between vessels and marine
terminals, it can also be applied to pipelines involved in shore-to-shore
Chapter 17.3
transfers. It includes descriptions of methods and procedures that apply to
Guidelines for Identification of the Source of Free Waters Associated
crude oil and petroleum products. Pages: 18
with Marine Petroleum Cargo Movements
3rd Edition | September 2022
Product Number: H17.603 | Price: $183.00
Provides guidelines for identifying the source of free waters associated
with marine petroleum cargo movements. The presence of free water is a
factor in marine custody transfers of bulk petroleum, especially in the case
Chapter 17.8
of crude oil cargoes. This standard recommends the water samples and
Guidelines for Pre-Loading Inspection of Marine Vessel Cargo Tanks
volumes to be taken, the containers to be used, the care and distribution
and Their Cargo-Handling Systems
of the samples, and the analytical procedures of use in identifying sources
of free water associated with marine petroleum cargoes. Pages: 29
Specifies procedures for determining that the cargo tanks and associated
cargo-handling system of marine vessels are in a suitably clean condition
2nd Edition | December 2016 | Reaffirmed: July 2021
to receive the intended cargo. This applies to the loading of crude oil,
Product Number: H170302 | Price: $131.00
petroleum products, and petrochemical cargoes. The extent of pre-loading
inspection will vary depending on the nature of the cargo to be loaded.
Chapter 17.3 *
These guidelines recommend the extent of inspection that should be
Guidelines for Identification of the Source of Free Waters Associated
instituted for certain general types of cargoes and an example of a format
with Marine Petroleum Cargo Movements-Spanish
that may be used for reporting the findings of tank inspections. Because of
Spanish translation of Ch. 17.3.
the wide variety of conditions that may exist when performing pre-loading
tank inspections, this guideline is not intended to restrict the judgment of
2nd Edition | December 2016 | Reaffirmed: July 2021
the person performing the inspection. Pages: 18
Product Number: H170302S | Price: $131.00
2nd Edition | August 2016 | Reaffirmed: January 2022
Product Number: H170802 | Price: $117.00
Chapter 17.4
Method for Quantification of Small Volumes on Marine Vessels
Chapter 17.8 *
(OBQ/ROB)
Guidelines for Pre-Loading Inspection of Marine Vessel Cargo Tanks
Provides a method for determining the small volumes of on board quantity
and Their Cargo-Handling Systems-Spanish
prior to loading a vessel or material remaining on board a vessel upon
completion of discharge. This standard applies only to quantification by
Spanish translation of Ch. 17.8.
manual gauging of small volumes on marine vessels prior to loading or
2nd Edition | August 2016 | Reaffirmed: January 2022
upon completion of discharge. It does not address clingage, hydrocarbon
vapors, cargoes in transit, or cargo pumpability. Refer to Ch. 3. Pages: 25
Product Number: H170802S | Price: $117.00
2nd Edition | September 2016
Chapter 17.9
Product Number: H170402 | Price: $119.00
Vessel Experience Factor (VEF)
Chapter 17.4 *
Provides a recommended practice for the calculation and application of a
Method for Quantification of Small Volumes on Marine Vessels
vessel experience factor (VEF). This standard provides guidelines for data
compilation, data maintenance, data validation, and recommendations on
(OBQ/ROB)-Spanish
the appropriate use of a VEF involving marine vessels.
Spanish translation of Ch. 17.4.
It also provides instruction for parcel tankers, compartmental VEFs, and
2nd Edition | September 2016
vessel-to-vessel transfers. The methods are applicable to liquid bulk
Product Number: H170402S | Price: $119.00
cargoes including crude oil, petroleum products, chemicals, and liquid
petroleum gases. Pages: 30
Chapter 17.5
3rd Edition | July 2019 | Product Number: H170903 | Price: $185.00
Guidelines for Voyage Analysis and Reconciliation of Cargo Quantities
Covers guidelines for the reconciliation of marine cargo quantities. These
guidelines are intended to provide a basis for analyzing and reconciling the
quantity differences (gains/losses) resulting from marine custody transfer
movement(s) of petroleum and petroleum product cargoes. As such, the
guidelines are complementary to, but do not replace, normal inspection
procedures. The purchase of this document includes a spreadsheet for
determining voyage analysis and reconciliation of cargo quantities. Pages: 48
4th Edition | July 2019 | Product Number: H170504 | Price: $160.00
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
70
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Petroleum Measurement
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Chapter 17.10.1/ISO 10976:2015
Chapter 17.14.1
Refrigerated Light Hydrocarbon Fluids-Measurement of Cargoes on
Measurement of Bulk Cargoes by Draft Survey, Part 1: Ocean-Going
Board Marine LNG Carriers
Vessels
(ANSI/API MPMS Ch. 17.10.1)
Describes the procedure for determining the transferred quantity of non-
Establishes all of the steps needed to properly measure and account for
liquid petroleum products loaded onto or discharged from ocean-going
the quantities of cargoes on liquefied natural gas (LNG) carriers. This
vessels by draft survey.
includes, but is not limited to, the measurement of liquid volume, vapor
This procedure is not an alternative where effective static or dynamic liquid
volume, temperature and pressure, and accounting for the total quantity of
measurement methods can be used. Pages: 38
the cargo on board. This document describes the use of common
measurement systems used on board LNG carriers, the aim of which is to
1st Edition | October 2019 | Product Number: H1714101 | Price: $160.00
improve the general knowledge and processes in the measurement of LNG
for all parties concerned. This document provides general requirements for
Chapter 17.14.2
those involved in the LNG trade on ships and onshore. Pages: 64
Measurement of Bulk Cargoes by Draft Survey, Part 2: Inland Barges
2nd Edition | June 2021 | Product Number: HH171012 | Price: $180.00
Describes the procedure for determining the transferred quantity of non-
liquid petroleum products loaded onto or discharged from inland barges
by draft survey.
Chapter 17.10.2
This procedure is not an alternative where effective static or dynamic liquid
Measurement of Cargoes On Board Marine Gas Carriers, Part 2-
measurement methods can be used. Pages: 29
Liquefied Petroleum and Chemical Gases
1st Edition | October 2019 | Product Number: H1714201 | Price: $150.00
(includes Errata 1 dated March 2021)
Provides guidance to vessel and shore personnel regarding accepted
Chapter 18
methods for determining quantities of liquefied petroleum and chemical
Custody Transfer
gas cargoes (excluding LNG) on board refrigerated and/or pressurized
Covers application of other measurement standards to unique custody
carriers. This standard covers all measurement systems commonly used
transfer situations.
on refrigerated and/or pressurized gas carriers designed to carry those
types of cargoes and includes recommended methods for measuring,
Chapter 18.1
sampling, documenting, and reporting quantities on board these vessels.
Measurement Procedures for Crude Oil Gathered from Lease Tanks
Pages: 80
by Truck
2nd Edition | March 2016 | Product Number: H171022 | Price: $163.00
Contains procedures that are organized into a recommended sequence of
Chapter 17.11
steps for manually gauging and determining the quantity and quality of crude
Measurement and Sampling of Cargoes On Board Tank Vessels
oil being gathered from lease tanks by truck. These measurements and tests
are performed by crude oil truck drivers (COTDs) and other parties who are
Using Closed and Restricted Equipment
responsible for the custody transfer and for recording the results of the
(includes Errata 1 dated March 2017)
measurements and tests on the run tickets. These procedures apply to the
Provides guidance on the use, maintenance, and calibration of restricted
custody transfer from lease storage tanks to the transporting truck. Pages: 24
and closed measurement and sampling equipment. It also provides
3rd Edition | May 2018 | Product Number: H18013 | Price: $131.00
guidance on preferred size and positioning for gauging and sampling
fittings on vessels. A joint API/Energy Institute (EI) standard, it also carries
Chapter 18.2
the EI designation Hydrocarbon Management, HM52. Pages:19
Custody Transfer of Crude Oil from Lease Tanks Using Alternative
2nd Edition | August 2016 | Product Number: H170112 | Price: $117.00
Measurement Methods
Chapter 17.11 *
Defines the minimum equipment and methods used to determine the
Measurement and Sampling of Cargoes On Board Tank Vessels
quantity and quality of crude oil being loaded from a lease tank to a truck
Using Closed and Restricted Equipment-Spanish
trailer without requiring direct access to a lease tank gauge hatch.
Methods and equipment described are grouped by tank zone, trailer zone,
(includes Errata 1 dated March 2017)
and the transition zone between the two. The equipment used for
Spanish translation of Ch. 17.11.
measurement is dependent on the existing design of the lease equipment,
2nd Edition | August 2016 | Product Number: H170112S | Price: $117.00
the equipment used to transport the product, or a combination of the two.
Some sites may require measurements from multiple zones in order to
Chapter 17.12
arrive at an accurate load quantity and quality.
Procedures for Bulk Liquid Chemical Cargo Inspections
This publication integrates by reference the API Manual of Petroleum
Provides systematic cargo measurement procedures for use primarily by
Measurement Standards (MPMS) for sampling, temperature
cargo inspectors and to specify procedures directed at minimizing cargo
determination, gauging, and quality testing into a framework that may be
contamination and losses, in the absence of, or in conjunction with,
applied during custody transfer of crude oil from lease tanks to a tank
specific client guidelines. This document should be considered a summary
truck without requiring direct access to the tank thief gauge hatch. Many of
of best practices used within the industry. A joint API/Energy Institute (EI)
the individual standards have guidelines defining the frequency and
standard, it also carries the EI designation Hydrocarbon Management,
tolerances for installation, verification, and calibration of the specified
HM51. Pages: 66
equipment under controlled or ideal conditions allowing for uncertainty
within custody transfer requirements. However, with the conditions
2nd Edition | August 2015 | Product Number: H170122 | Price: $177.00
encountered in many of today’s applications, the installation, verification,
and calibration of measurement devices may have higher uncertainties
Chapter 17.12 *
due to the operational characteristics and limited access available at the
Procedures for Bulk Liquid Chemical Cargo Inspections-Spanish
Spanish translation of Ch. 17.12.
2nd Edition | August 2015 | Product Number: H170122S | Price: $177.00
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
71
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lease site. In the interest of safety and environmental concerns, these
Chapter 19.2
higher uncertainties may still provide acceptable measurement for custody
Evaporative Loss from Floating-Roof Tanks
transfer of crude oil from tanks using the defined alternate methods.
(previously Publ 2517 and Publ 2519)
The alternate measurement methods discussed in this standard are
Contains methodologies for estimating the total evaporative losses of
intended to minimize uncertainty and bias while encouraging consistent
hydrocarbons from external floating-roof tanks (EFRTs), freely vented internal
measurement and testing practices using existing technologies within API
floating-roof tanks (IFRTs), and domed external floating-roof tanks (domed
standards. Pages: 29
EFRTs). The methodologies provide loss estimates for general equipment
1st Edition | July 2016 | Product Number: H180201 | Price: $136.00
types based on laboratory, test-tank, and field-tank data. Types of floating
roofs, rim-seal systems, and deck fittings are described for information only.
Chapter 19
The equations estimate average annual losses from floating-roof tanks for
Evaporation Loss Measurement
various types of tank construction, floating-roof construction, rim-seal
Covers methods for estimating hydrocarbon evaporation losses from
systems, and deck fittings, as well as for various liquid stocks, stock vapor
various types of tanks.
pressures, tank sizes, and wind speeds (EFRTs).
NOTE Chapter 19 is not included in the complete set of measurement standards.
The equations were developed for:
Chapter 19.1
stocks with a true vapor pressure greater than approximately 0.1 psia,
Evaporative Loss from Fixed-Roof Tanks
average wind speeds ranging from 0 miles per hour (mph) to 15 mph
(previously Publ 2518)
(EFRTs), and
Contains methodologies for estimating the total evaporative losses of
tank diameters greater than 20 ft.
hydrocarbons from fixed-roof tanks. The methodologies provide loss
The estimation techniques become more approximate when these
estimates for general equipment types based on laboratory, test-tank, and
conditions are not met.
field-tank data.
When this standard is used to estimate losses from non-freely vented
Types of fixed-roof tanks and roof fittings described are for information
(closed vent) internal or domed external floating-roof tanks (tanks vented
only. The equations estimate average annual losses from uninsulated
only through a pressure-vacuum relief vent, blanketed with an inert gas,
fixed-roof tanks for various liquid stocks, stock vapor pressures, tank sizes,
vented to a vapor processing unit, or otherwise restricted from being freely
meteorological conditions, and operating conditions. The following special
vented), refer to the methodology in TR 2569.
cases are addressed.
The equations are not intended to be used in the following applications.
Horizontal tanks.
Higher volatility stocks (true vapor pressure greater than 0.1 psia).
To estimate losses from unstable or boiling stocks (i.e. stocks with a true
Vent settings higher than 0.03 pounds (0.5 oz) per square inch.
vapor pressure greater than the atmospheric pressure at the tank
location) or from petroleum liquids or petrochemicals for which the vapor
The estimation may be improved by using detailed field information,
pressure is not known or cannot readily be predicted.
including climatic data and operational data for the appropriate time
period.
To estimate losses from tanks in which the materials used in the rim seal,
deck fittings, or deck seams have either deteriorated or been significantly
The equations are not intended to be used in the following applications.
permeated by the stored stock.
To estimate losses from unstable or boiling stocks or from petroleum
liquids or petrochemicals for which the vapor pressure is not known or
To estimate losses from storage tanks that do not have a floating roof.
cannot readily be predicted [to calculate emissions from tanks that
To estimate losses from landing floating roofs (TR 2567 addresses this).
contain material at or above their boiling point or the point at which
To estimate losses from cleaning storage tanks (TR 2568 addresses this).
material starts to flash, the API model E&P Tank (Publ 4697) can be
used].
The 3rd Edition of Ch. 19.4 was published following a revision that was
carried out concurrently with revisions to Ch. 19.1, published as the
To estimate losses from fixed-roof tanks which have an internal floating
roof. Ch. 19.2 and TR 2569 address these.
4th Edition, and Ch. 19.2, published as the 3rd Edition. Primary changes are
as follows.
To estimate losses from fixed-roof tanks which have either roof or shell
insulation.
Consolidation of common material in Ch. 19.4. Material that had
previously been included in both Ch. 19.1 and Ch. 19.2 has been moved
To estimate losses from cleaning fixed-roof tanks. TR 2568 addresses
to Ch. 19.4. Ch. 19.4, which was previously Recommended Practice for
this. Pages: 38
Speciation of Evaporative Losses, now has the title Evaporative Loss
5th Edition | June 2017 | Reaffirmed: July 2022
Reference Information and Speciation Methodology. This chapter had
Product Number: H190105 | Price: $168.00
already contained reference information on the properties of chemicals
and typical petroleum liquids, and this information has now been removed
Chapter 19.1D
from Ch. 19.1 and Ch. 19.2. In addition, meteorological data have been
Documentation File for API Manual of Petroleum Measurement
moved from Ch. 19.1 and Ch. 19.2 to Ch. 19.4. In the revised documents:
Standards Chapter 19.1-Evaporative Loss from Fixed-Roof Tanks
meteorological data are found in Ch. 19.4;
(previously Bulletin 2518)
calculation of storage tank temperatures is found in Ch. 19.1 and
(includes Errata 1 dated June 1994)
Ch. 19.2 (in that fixed-roof tanks involve calculation of the vapor space
Presents information on the development of theoretical equations;
temperature in order to determine vapor density, whereas this step is
comparisons with test data; a sensitivity analysis of the loss equation; and
not involved in estimating emissions from floating-roof tanks); and
other pertinent information that was developed during the preparation of
calculation of true vapor pressure is found in Ch. 19.4 (in that this is
Ch. 19.1. Pages: 190
now calculated in the same manner for both fixed- and floating-roof
1st Edition | March 1993 | Product Number: H30553 | Price: $185.00
tanks). Pages: 110
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Chapter 19.3, Part A
Chapter 19.3, Part H
Wind Tunnel Test Method for the Measurement of Deck-Fitting Loss
Specification for Establishing Evaporative Loss Factors for Floating-
Factors for External Floating-Roof Tanks
Roof Tank Devices
Describes the procedures to establish evaporative loss factors for deck
Illustrates how other standards of the API MPMS Ch. 19.3 series are
fittings on external floating-roof tanks. The test method involves measuring
integrated into an overall loss factor development program to enable the
the weight loss of a test assembly over time. The standard specifies the
user to develop a loss factor for a given floating-roof device. This standard
test apparatus, instruments, test procedures, and calculation procedures
presents procedures for the evaluations to be performed under such a
to be used. It also addresses the variables to be measured, format for
program, including preparation for protocol testing of individual devices,
reporting the test values, and their associated uncertainty. Pages: 27
monitoring of the tests, and analysis and reporting of test results for the
1st Edition | June 1997 | Reaffirmed: September 2017
purposes of establishing evaporative loss factors. Pages: 69
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Chapter 19.3, Part B
Chapter 19.4
Air Concentration Test Method-Rim-Seal Loss Factors for Floating-
Evaporative Loss Reference Information and Speciation Methodology
Roof Tanks
(includes Addendum 1 dated November 2013 and Addendum 2 dated
June 2017)
Describes the procedures to establish evaporative rim-seal loss factors for
rim seals used on external floating-roof tanks. The test method involves
Provides methodology to estimate emissions of individual hydrocarbon
passing a controlled flow rate of air through a test chamber that contains a
species using the total emissions of multicomponent hydrocarbon mixtures
test liquid and a test rim seal, and measuring the concentration of the test
(such as crude oils and gasoline) estimated from Ch. 19.1 for fixed-roof
liquid vapor in the air streams entering and leaving the test chamber. The
tanks, Ch. 19.2 for floating-roof tanks, Ch. 19.5 for marine vessels, and
standard specifies the test apparatus, instruments, test procedures, and
other methods used for total hydrocarbon emission estimates. This process
calculation procedures to be used. It also addresses the variables to be
is referred to as speciation.
measured, format for reporting the test values, and their associated
Speciation of emissions from hydrocarbon mixtures accounts for the higher
uncertainty. Pages: 30
evaporation rate of the more volatile components, resulting in a different
1st Edition | August 1997 | Reaffirmed: September 2017
composition of the mixture in the vapor phase than in the liquid phase. The
Product Number: H1903B | Price: $133.00
methodology presented in this standard assumes that there is sufficient
liquid present such that the chemical composition at the liquid surface may
be considered to not change as a result of the evaporative loss.
Chapter 19.3, Part C
Weight Loss Test Method for the Measurement of Rim-Seal Loss
This standard also contains reference information used for estimating
emissions in accordance with Ch. 19.1, Ch. 19.2, and Ch. 19.5.
Factors for Internal Floating-Roof Tanks
The methodology in this standard applies to:
Provides a uniform method for measuring evaporative loss from rim seals
liquids with vapor pressure that has reached equilibrium with ambient
used on aboveground storage tanks. This information can be utilized to
conditions at a true vapor pressure less than the ambient atmospheric
establish product specific loss factors in terms of loss rate and seal gap
pressure (i.e. not boiling);
area. Pages: 29
liquids for which the vapor pressure is known or for which sufficient data
1st Edition | July 1998 | Reaffirmed: January 2018
are available to determine the vapor pressure; and
Product Number: H1903C | Price: $133.00
liquid mixtures where Raoult’s Law can be used to describe the vapor
phase equilibria.
Chapter 19.3, Part D
This methodology does not apply to:
Fugitive Emission Test Method for the Measurement of Deck-Seam
Loss Factors for Internal Floating-Roof Tanks
emissions that result from leaks from piping components (e.g. valves,
flanges, pumps, connectors etc.);
Establishes a uniform method for measuring evaporative deck-seam loss
liquid mixtures where Raoult’s Law cannot be used to describe the vapor
factors and deck-joint loss factors of mechanically joined deck seams that
are used on internal floating-roof tanks. These deck-seam loss factors and
phase equilibria (e.g. mixtures in which hydrocarbons are dissolved in
deck-joint loss factors are to be determined in terms of their loss rate at
water, or mixtures of hydrocarbons with alcohols).
specified pressure differences across the deck seam or deck joint for
This 3rd Edition of Ch. 19.4 was published following a revision that was
certification purposes. Pages: 31
carried out concurrently with revisions to Ch. 19.1, published as the
4th Edition, and Ch. 19.2, published as the 3rd Edition. Primary changes are
1st Edition | June 2001 | Reaffirmed: March 2018
as follows.
Product Number: H1903D | Price: $133.00
Consolidation of common material in Ch. 19.4. Material that had previously
Chapter 19.3, Part E
been included in both Ch. 19.1 and Ch. 19.2 has been moved to Ch. 19.4.
Weight Loss Test Method for the Measurement of Deck-Fitting Loss
Ch. 19.4, which was previously Recommended Practice for Speciation of
Evaporative Losses, now has the title Evaporative Loss Reference
Factors for Internal Floating-Roof Tanks
Information and Speciation Methodology. This chapter had already
Describes the test methods to be used to establish evaporative loss
contained reference information on the properties of chemicals and typical
factors for deck fittings on internal floating-roof tanks. This chapter
petroleum liquids, and this information has now been removed from Ch.
specifies the test apparatus, instruments, test procedures, and calculation
19.1 and Ch. 19.2. In addition, meteorological data have been moved from
procedures to be used. The standard also addresses the requirements for
Ch. 19.1 and Ch. 19.2 to Ch. 19.4. In the revised documents:
reporting test report values. Pages: 30
meteorological data are found in Ch. 19.4;
1st Edition | May 1997 | Reaffirmed: October 2017
calculation of storage tank temperatures is found in Ch. 19.1 and
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Ch. 19.2 (in that fixed-roof tanks involve calculation of the vapor space
temperature in order to determine vapor density, whereas this step is
not involved in estimating emissions from floating-roof tanks); and
calculation of true vapor pressure is found in Ch. 19.4 (in that this is
now calculated in the same manner for both fixed- and floating-roof
tanks). Pages: 136
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Chapter 19.5
Publ 2524
Atmospheric Hydrocarbon Emissions from Marine Vessel Transfer
Impact Assessment of New Data on the Validity of American
Operations
Petroleum Institute Marine Transfer Operation Emission Factors
(formerly Publ 2514A)
Consultant CH2M Hill confirmed the validity of the model used in Publ 2514A
Provides methods for estimating evaporative loss from marine vessel
by comparing emission test data with predictive emission models developed by
transfer operations. Specifically, this standard addresses:
API, ARCO, and Exxon. The study found that the API model adequately predicts
emissions for tanks ranging in size from 17,000 to 35,000 dead weight tons
loading stock into:
and for tanks being loaded within the lower-48 states. The model does not
ship or ocean barges, or
appear to apply to crude oil loading of tankers in Valdez, Alaska, because of
shallow draft barges; and
unique local operating conditions. However, no known test data invalidates the
loading ballast water into ship or ocean barges from which crude oil has
model for predicting crude oil loading emissions from carriers smaller than very
been unloaded.
large crude carriers in the lower-48 states. Pages: 194
The emission estimates are for uncontrolled loading operations and do not
July 1992 | Product Number: H25240 | Price: $171.00
apply to operations using vapor balance or vapor control systems or
ballasting of ships with segregated ballast tanks. This standard does not
Publ 2558
address evaporative loss for:
Wind Tunnel Testing of External Floating-Roof Storage Tanks
very large crude carriers (VLCCs) or ultra large crude carriers (ULCCs)
Presents the results of a wind tunnel study to determine the local wind
(unless the saturation factor KS is determined);
velocities, wind directions, and roof pressures on external floating roof
marine vessels employing crude oil washing;
tanks. Pages: 13
marine vessel transit loss;
1st Edition | June 1993 | Product Number: H25580 | Price: $212.00
loading ballast water into marine vessels that, prior to dockside
unloading, held anything other than crude oil (unless the saturation factor
TR 2568
KS is determined); or
Evaporative Loss from the Cleaning of Storage Tanks
unloading marine vessels.
Provides guidance for estimating emissions that result from removing the liquid
This standard supersedes Publ 2514A, 2nd Edition, September 1981,
heel (free-standing stock liquid) and cleaning the remaining deposits of stock
which is withdrawn. A joint API/Energy Institute (EI) standard, it also
liquid mixed with residue and water (sludge) from the bottoms of aboveground
carries the EI designation Hydrocarbon Management, HM65. Pages: 31
storage tanks. The emissions addressed in this report are those that leave the
1st Edition | September 2009 | Reaffirmed: October 2014
tank during the tank cleaning process. This report does not address:
Product Number: H19051 | Price: $135.00
the fate of vapors after the have left the tank (other accounting for the
efficiency of the control device),
Chapter 19.6.1
the fate of sludge after it has left the tank (or emissions that may occur
Evaporative Loss from Storage Tank Floating-Roof Landings
during sludge treatment or disposal), or
(formerly TR 2567)
emissions that may be expelled by the vacuum pump of a vacuum truck
Investigates storage tank emissions that may result from landing and
or suction pump, if such devices are used in the tank cleaning process.
subsequently refloating a floating roof. The existing emission factors for
In other words, this report addresses the estimation of the mass of volatile
floating-roof tanks are based on the assumption that the floating roof is
organic compounds that leave the tank as vapor during the tank cleaning
continuously floating on the stored stock liquid. Additional emissions may
process. It does not address emissions that may result from the handling
occur, however, if the tank is emptied such that the floating roof is no longer
of liquids or sludge after such materials have been removed from the tank.
floating. This study sought to quantify these floating-roof landing loss
This report is intended to reduce the effort required to generate a good
emissions. Pages: 38
faith estimate of tank cleaning emissions, and to result in more uniformity
1st Edition | February 2017 | Reaffirmed: December 2022
in the resulting emissions estimates. Pages: 47
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Chapter 19.6.2
TR 2569
Evaporative Loss from the Cleaning of Storage Tanks
Evaporative Loss from Closed-Vent Internal Floating-Roof Storage Tanks
Provides guidance for estimating emissions that result from forced
Addresses evaporative loss from internal floating-roof tanks (IFRTs) with
ventilation of storage tanks such as may occur while removing the liquid
closed vents. When the vents in the fixed roof of an IFRT are closed, rather
heel (free-standing stock liquid) and cleaning the remaining deposits of
than open, estimation of emissions is shown to be highly complex. This
stock liquid mixed with residue and water (sludge) from the bottoms of
subject is not covered in other API standards such as Ch. 19.1, which
aboveground storage tanks.
specifically excludes fixed-roof tanks that have an internal floating roof,
The emissions addressed in this report are those that leave the tank during
and Ch. 19.2, which specifically excludes closed internal floating-roof
forced ventilation. This standard does not address:
tanks (that is, tanks vented only through a pressure-vacuum relief vent,
the fate of vapors after they have left the tank (other than accounting for
blanketed with an inert gas, vented to a vapor processing unit, or
the efficiency of a control device, as discussed in Section 8);
otherwise restricted from being freely vented). Pages: 26
the fate of sludge after it has left the tank (or emissions that may occur
1st Edition | August 2008 | Product Number: H25690 | Price: $116.00
during sludge treatment or disposal); or
emissions that may be expelled by the vacuum pump of a vacuum truck
or suction pump, if such devices are used in the tank cleaning process.
Pages: 88
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TR 2574
This document provides guidance with respect to the major factors that
could contribute to measurement uncertainty for single-phase devices
Field Testing Protocol for Characterization of Total Gaseous
used in production allocation. It is not intended to prescribe a particular
Nonmethane Organics (TGNMO), Methane, and Ethane in Air-Vapor
meter type or allocation method. Allocation methodologies are addressed
Mixture During Filling of a Cargo Vessel with Crude Oil
in Ch. 20.1. Pages: 33
Provides a standardized testing methodology for quantifying total gaseous
1st Edition | November 2016 | Product Number H200201 | Price: $135.00
nonmethane organics (TGNMO), methane, and ethane, in the air-vapor
mixture that is expelled from cargo compartments during filing with crude
Chapter 20.2 *
oil. It utilizes a modified version of Federal Reference Method 25 (FRM 25)
Production Allocation Measurement Using Single-Phase Devices-
to characterize the concentration of TGNMO, methane, and ethane. While
the field testing in support of this protocol was performed only for the
Spanish
loading of crude oil into barges, the method could be suitable for loading
Spanish translation of Ch. 20.2.
of any volatile organic liquid into any type of vessel or compartment from
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which vapors are exhausted through a single vent opening where the field
sampling can take place. Pages: 56
Chapter 20.3
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Measurement of Multiphase Flow
TR 2576
(supersedes RP 86)
Short-Term Evaporative Loss Estimation from Atmospheric Storage
Addresses multiphase flow measurement in the production environment,
Tanks
upstream of the custody transfer (single-phase) measurement point,
where allocation measurement for onshore, offshore, or subsea is applied.
Provides methodology on how to estimate short-term individual tank and
For other multiphase flow measurement applications such as reservoir
facility-wide emissions. The methodology in this technical report can be
management, well tests, and flow assurance, the standard can be used as
used for purposes such as preparing permit applications and air
a reference or guide. However, the focus of this standard is on those
dispersion modeling. The technical report does not provide guidance on
applications where the accuracy of multiphase flow measurement for
how to run the actual air dispersion model. Pages: 18
allocation systems is required.
1st Edition | July 2016 | Product Number: H257601 | Price: $119.00
This document refers to existing standards and recommended practices to
supplement the guidance it provides in this subject area. The document
Chapter 20
addresses principles used in multiphase flow measurement, multiphase
Production Measurement and Allocation of Oil and Natural Gas
metering types and classifications, assessment of expected performance,
and selecting and operating multiphase measurement systems.
Chapter 20.1
Operational requirements or constraints are addressed, including
expectations for flow meter acceptance, calibration criteria, flow loop and
Allocation Measurement
in situ verifications, and other guidance specific to different multiphase
(includes Addendum 1 dated January 2013, Addendum 2 dated
flow metering applications. The document does not address specific meter
November 2016, and Addendum 3 dated December 2017)
configurations. Pages: 72
Provides design and operating guidelines for liquid and gas allocation
1st Edition | January 2013 | Reaffirmed: October 2018
measurement systems. Included are recommendations for metering, static
Product Number: H200301 | Price: $195.00
measurement, sampling, proving, calibrating, and calculating procedures.
Pages: 67
Chapter 20.3 *
1st Edition | September 1993 | Reaffirmed: October 2016
Measurement of Multiphase Flow-Russian
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(supersedes RP 86)
Chapter 20.2
Russian translation of Chapter 20.3.
Production Allocation Measurement Using Single-Phase Devices
1st Edition | January 2013| Reaffirmed: October 2018
Product Number: H200301R | Price: $195.00
Covers the application of production allocation (determination of flow
quantities and rates of oil, gas, water, and other constituents) using single-
Chapter 20.5
phase measurement devices in combination with a two- or three-phase
production separator.
Recommended Practice for Application of Production Well Testing in
Measurement and Allocation
This standard is applicable to single-phase measurement techniques
upstream of the custody transfer points where custody transfer conditions
Establishes a framework to conduct and apply production well testing for
are not possible. The standard presents single-phase flow measurement
well rate determination in measurement and allocation. Production well
used in the allocation process and located downstream of the first stage of
testing addressed in this document refers to measurement of gas, oil, and
separation on a production facility.
water quantities from a single well during a specified length of time under
controlled operational conditions. The intent of this document is to provide
This standard addresses common allocation single-phase flow
operators with a consistent and transparent approach for conducting,
measurement devices for liquid hydrocarbons, water, and gas including
applying, and managing production well testing within an upstream
ancillary flow measurement systems such as fuel, flare, and recirculation.
measurement and allocation system. It is not intended to prescribe a
This standard discusses configuration and operation of flow measurement
particular production well test method, or particular application of
equipment, fluid properties, production processing, associated flow
production well test data use in allocation.
conditions, and their effects on the quality of the flow measurement
This document provides recommendations and guidelines for the
results. This standard discusses the possible impacts on these devices
application of production well testing in production measurement and
during inefficient and/or ineffective separation.
allocation. The recommendations and guidelines apply to conducting a
production well test, calculating production well test volumes and rates,
and the application of production well test data for use in measurement
and allocation. This includes production well testing preparation, initiation,
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
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measurement, validation, and volume and rate calculations for separator,
consideration to offshore installations (both floating and fixed platforms).
multiphase flow meter, and tank production well test systems. Additionally,
These installations are generally subject to motion and vibrations, have
this document addresses the proration of production well test results for
minimal laboratory equipment, and perform S&W analysis with multi-
use in allocation, the application of production well tests for validation and
skilled operations personnel as opposed to laboratory chemists. The
update of well flow models and virtual flow metering, and the adjustment
techniques described, however, are applicable to onshore locations.
of gas well continuous measurement results with production well test data.
Provides design and operating guidelines for sampling, sample handling,
This document also provides recommendations and guidelines for the
and analysis for high water content streams, up to 50 % water on a
application of well flow modeling and virtual flow metering in production
volumetric basis. As a guide, this RP targets a relative accuracy of 5 % of
measurement and allocation.
reading up to a maximum of 50 % water content as a qualifier for various
Allocation methodologies are addressed in Ch. 20.1. Pages: 123
methods described herein. For example, the corresponding absolute
1st Edition | December 2017 | Product Number: H200501 | Price: $202.00
accuracy for a 10 % water content stream is ±0.5 % and for 20 % water
content is ±1.0 %. Pages: 19
Draft Standard
1st Edition | August 2007 | Reaffirmed: October 2017
Application of Hydrocarbon Phase Behavior Modeling in Upstream
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Measurement and Allocation Systems
Chapter 21
Provides requirements and guidelines for the application of hydrocarbon
Flow Measurement Using Electronic Metering Systems
phase behavior modeling in upstream measurement and allocation
systems. The requirements and guidelines apply to the development,
Describes standard practices and minimum specifications for electronic
implementation, and performance management of a process simulation
measurement systems used in the measurement and recording of flow
model (PSM) incorporating an equation of state (EOS) description of
parameters. This chapter covers natural gas fluid and petroleum and
phase behavior. This includes functional specifications, validation, and
petroleum product custody transfer applications using industry-recognized
maintenance of the PSM, EOS specification and implementation, and fluid
primary measurement devices.
compositional specification and validation.
This document establishes a framework to develop, implement, and
Chapter 21.1
manage the application of hydrocarbon phase behavior modeling. The
Flow Measurement Using Electronic Metering Systems-Electronic
applied phase behavior modeling addressed in this document refers to
Gas Measurement
PSM incorporating EOS description of the phase behavior, or pressure,
(ANSI/API MPMS Ch. 21.1-2011) (AGA Report No. 13)
volume, temperature (PVT) properties, of the fluids within the modeled
process. The intent of this document is to provide operators with a
Describes the minimum specifications for electronic gas measurement
consistent and transparent approach for applying and managing an EOS-
systems used in the measurement and recording of flow parameters of
based PSM within an upstream measurement and allocation system. It is
gaseous phase hydrocarbon and other related fluids for custody transfer
not intended to prescribe a particular mathematical phase estimation (i.e.
applications utilizing industry recognized primary measurement devices.
EOS), process simulation (i.e. PSM), or allocation method. Allocation
This standard provides the minimum reporting and change management
methodologies are addressed in Ch. 20.1. Pages: 47
requirements of the various intelligent components required for accurate
and auditable measurement. The requirements can be met by a
1st Edition | August 2016 | Product Number: H200401D | Price: $98.00
combination of electronically and/or manually recorded configuration, test
reports, change record reporting of the electronic gas measurement
RP 85
system components, and flow parameters. It is recognized that diagnostic
Use of Subsea Wet-Gas Flowmeters in Allocation Measurement
capabilities of the newer meter and transmitter technologies are important
Systems
but due to the device specific complexity, intelligent device diagnostics are
(includes Addendum 1 dated January 2013)
out of scope for this standard. Pages: 94
Presents a recommended allocation methodology that best fits the
2nd Edition | February 2013 | Reaffirmed: June 2021
application and that equitably accommodates variances in the uncertainty
2-Year Extension: December 2018
level between meters in the system. It is intended to advise the user on
Product Number: H210102 | Price: $179.00
various aspects of the use of subsea wet-gas flowmeters in allocation
measurement systems. Marinization, operation, abnormal operation, and
Chapter 21.2
meter testing are important topics included here, but foremost, this
document proposes techniques to be used in the allocation of total
Electronic Liquid Volume Measurement Using Positive Displacement
production to individual contributing streams. Pages: 64
and Turbine Meters
1st Edition | March 2003 | Reaffirmed: October 2013
Provides guidance for the effective use of electronic liquid measurement
2-Year Extension: October 2018 | Product Number: G08501 | Price: $134.00
systems for custody transfer measurement of liquid hydrocarbons under
the following conditions. Use of the measurement systems must fall within
the scope and field of application of Ch. 12.2. Guidance applies to
RP 85 *
systems using turbine or positive displacement meters. Guidance applies
Use of Subsea Wet-Gas Flowmeters in Allocation Measurement
to systems using on-line correction for the effect of temperature on liquid
Systems-Russian
(CTL) and correction for the effect of pressure on liquid (CPL)
(includes Addendum 1 dated January 2013)
compensation. The procedures and techniques in Ch.
21.2 are
Russian translation of RP 85.
recommended for new measurement applications. This standard provides
1st Edition | March 2003 | Reaffirmed: October 2013
custody transfer measurement procedures for pipeline and other electronic
liquid metering systems including design, selection, use, auditing,
Product Number: G08501R | Price: $134.00
reporting, calibration, verification, and security. Pages: 60
RP 87
1st Edition | June 1998 | Reaffirmed: October 2016
Recommended Practice for Field Analysis of Crude Oil Samples
Product Number: H21021 | Price: $207.00
Containing from Two to Fifty Percent Water by Volume
Provides the user with recommended “field” methods of sampling, sample
handling, and analysis for high water content streams up to 50 % water on
a volumetric basis. In particular, this RP was developed giving
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
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Chapter 21.2-A1
Chapter 22.3
Addendum 1 to Flow Measurement Using Electronic Metering
Testing Protocol for Flare Gas Metering
Systems, Inferred Mass
(ANSI/API MPMS Ch. 22.3-2015)
This addendum specifically covers inferred mass measurement systems
Describes a testing protocol for flare gas meters. This includes a
utilizing flow computers as the tertiary flow calculation device and either
discussion of the testing to be performed, how the test data should be
turbine or displacement type meters, working with on-line density meters,
analyzed, and how an uncertainty is determined from the testing of the
as the primary measurement devices. The scope does not include systems
meter. The scope does not include the general guidelines to flare gas
using calculated flowing densities, i.e. Equations of State. The hardware is
metering that are covered under Ch. 14.10. Pages: 21
essentially identical to that referenced in Ch. 21.2 and the methods and
1st Edition | August 2015 | Product Number: H220301 | Price: $107.00
procedures are as described in Ch. 14.4, 14.6, 14.7, and 14.8. Audit,
record-keeping, collection and calculation interval, security, and most
Chapter 22.4
other requirements for systems covered in Ch. 21.2 will apply to this
addendum. As in Ch. 21.2, the hydrocarbon liquid streams covered in the
Testing Protocol for Pressure, Differential Pressure, and Temperature
scope must be single phase liquids at measurement conditions.
Measuring Devices
1st Edition | August 2000 | Reaffirmed: October 2016
Documents the method for testing the performance characteristics specific
Product Number: H2102A | Price: $66.00
to pressure, differential pressure, and temperature sensors and transmitters
used in petroleum measurement. The testing protocol includes a listing of
Chapter 22
parameters affecting the performance of the devices, a description of the
tests required, requirements for the test facility, a data reporting format,
Testing Protocols
and an uncertainty determination methodology. Pages: 44
Testing protocols for devices used in the measurement of hydrocarbon
1st Edition | July 2018 | Product Number: H220401 | Price: $81.00
fluids. Testing protocols define appropriate methods for measuring and
reporting the performance characteristics of similar equipment in a
Chapter 22.6
comparable manner, thus providing a means to highlight the relative
performance advantages and disadvantages of similar devices.
Testing Protocol for Gas Chromatographs
A general gas chromatograph (GC) performance test protocol that
Chapter 22.1
specifies the scope and reporting requirements of GC tests for
General Guidelines for Developing Testing Protocols for Devices Used
repeatability, reproducibility, and response linearity. The protocol specifies
in the Measurement of Hydrocarbon Fluids
requirements for tests over a range of gas compositions, tests over a range
(ANSI/API MPMS Ch. 22.1-2015)
of environmental conditions, and long-term performance tests. Pages: 50
(includes Addendum 1 dated November 2018 and Addendum 2
1st Edition | August 2015 | Product Number: H220601 | Price: $107.00
dated February 2022)
Chapter 23
Intended for the development of testing protocols and to serve as a
guideline to document performance characteristics of hydrocarbon fluid
Reconciliation of Hydrocarbon Quantities
measurement related devices. Pages: 7
Provides practical methodologies for monitoring hydrocarbon transportation
2nd Edition | August 2015 | Product Number: H220102 | Price: $95.00
loss and gain for non-marine systems i.e. pipeline, tank cars (rail tank cars,
tank trucks, etc.). For Marine Reconciliation, refer to Ch. 17.
Chapter 22.2
Testing Protocols-Differential Pressure Flow Measurement Devices
Chapter 23.1
Defines the testing and reporting protocols for flow measurement devices
Reconciliation of Liquid Pipeline Quantities
based on the detection of a pressure differential that is created by the
(supersedes Std 2560)
device in a flowing stream. This protocol is designed to supply industry
Provides methodologies for monitoring liquid pipeline loss/gain and for
with a comparable description of the capabilities of these devices for the
determining the normal loss/gain level for any given pipeline system.
measurement of single-phase fluid flow when they are used under similar
Troubleshooting suggestions are also presented. This document does not
operating conditions. The objectives of this Testing Protocol are to:
establish industry standards for loss/gain level because each system is
ensure that the user of any differential pressure flow meter knows the
individual and exhibits its own loss/gain level and/or patterns under
performance characteristics of the meter over a range of Reynolds
normal operating conditions. The document provides operational and
numbers as applicable or defined by tests,
statistically based tools for identifying when a system has deviated from
facilitate both the understanding and the introduction of new
normal, the magnitude of the deviation, and guidelines for identifying the
technologies,
causes of deviation from normal.
provide a standardized vehicle for validating manufacturer’s performance
The primary application of this publication is in custody transfer liquid
specifications,
pipeline systems in which there is provision for measuring all liquids that
provide information about relative performance characteristics of the
enter the system and exit the system, as well as liquid inventory within the
primary elements of the differential pressure metering devices under
system. The application is not intended for nonliquid or mixed-phase
standardized testing protocol,
systems. The applications and examples in this document are intended
primarily for custody transfer pipeline systems, but the principles may be
quantify the uncertainty of these devices and define the operating and
applied to any system that involves the measurement of liquids into and
installation conditions for which the stated uncertainties apply. Pages: 52
out of the system and, possibly, inventory of liquids within the system.
2nd Edition | April 2017 | Reaffirmed: February 2022
Such systems may include pipelines, marine terminals, marine voyages,
Product Number: H220202 | Price: $113.00
bulk loading or storage terminals, tank farms, and rail and trucking
systems. Pages: 35
1st Edition | June 2016 | Product Number: H230101 | Price: $103.00
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
77
Petroleum Measurement
To purchase individual API standards, visit apiwebstore.org
Chapter 23.2
and the API Compendium of Greenhouse Gas Emissions Estimation
Reconciliation of Liquid Tank Car(s) Quantities
Methodologies for the Oil and Natural Gas Industry can be reference for
guidance on the calculation of emissions.
Provide methodologies and processes to monitor liquid tank car
TR 2572 provides guidance and a methodology for the determination of
movements’ quantity loss/gain (L/G) ratios, level, and/or quality
carbon content from hydrocarbon-based petroleum and petrochemical
differences for tank car measurement systems. This document does not
products, and the uncertainty of the average carbon content as calculated
establish an industry standard for L/G ratios or level, but under normal
from multiple samples taken during a reporting period. This method is
operating conditions, the standard will assist the user to identify L/G of
intended to make use of industry-accepted mixture property data and test
any tank car system. It will assist to determine:
methods with no new or modified test methods introduced in this
ratio or level deviations,
document. The method is applicable to carbon-content-based reporting or
patterns or trends,
trading for all gaseous and liquid hydrocarbons.
liquid quality.
This TR provides references and supplemental information on applicable
This document will also make available operational and statistically based
industry practices based on the published resources, existing industry
tools to:
standards, industry-accepted physical constants, or properties of
identify when a system exhibits a deviation from its normal operating
hydrocarbons for measurement, sampling, sampling frequency, and
conditions,
analysis of hydrocarbon samples. Pages: 24
guidelines for identifying the causes of the deviation from its normal
1st Edition | May 2013 | Product Number: H257201 | Price: $109.00
operating perimeters. Pages: 48
1st Edition | August 2020 | Product Number: H230202 | Price: $120.00
TR 2575
Measurement of Thermally Cracked Gas
Publ 2566
Presents a method to compute the density, compressibility factor, and
State of the Art Multiphase Flow Metering
supercompressibility factor for thermally cracked gas (TCG) for custody
Provides information on multiphase flow metering systems gleaned from
transfer using orifice meters. It provides equations, parameters,
more than 150 published documents that are in the public domain. The
computation flow diagrams, and example spreadsheet calculations. This
documentation was prepared from information obtained through mid-
technical report applies to TCG mixtures after treatment. It applies for
2002. It should be noted that the indicated performances data stated in
temperature from 90 °F to 120 °F (305 K to 322 K) at pressures up to
these published documents have not necessarily been verified by an
300 psig (2 MPa). It is limited to a specific operating region. The method
independent body. The listing of these references in the Appendix 2 is
is for the single gas phase only. Pages: 17
intended to provide a comprehensive source of data and information on
1st Edition | September 2014 | Product Number: H257501 | Price: $71.00
multiphase metering; the reader needs to carefully review the source of the
data in the documents when utilizing the information. Pages: 80
TR 2577
1st Edition | May 2004 | Product Number: H25661 | Price: $138.00
Performance of Full-Bore Vortex Meters for Measurement of Liquid
Flows
TR 2571
Provides documentation of performance characteristics of full-bore liquid
Fuel Gas Measurement
vortex meters for measuring liquid hydrocarbon flows of different API
Provides a performance-based methodology for the measurement and
gravity under the field operating conditions and under a controlled
reporting of fuel gas consumption. The document provides guidance in the
environment in a laboratory test facility with water as the proving fluid,
following areas to allow the user to achieve a targeted uncertainty of
limited laboratory proving facility test results using water as the calibration
measurement:
fluid of several and 2-in. (50 mm) and 4-in. (100 mm) commercially
selection of flow meter type; differential pressure (DP), displacement,
available full-bore vortex meters that are typically installed for non-custody
ultrasonic, Coriolis, vortex, turbine, thermal, and others;
transfer liquid installations, and typical performance of full-bore 4-in.
associated instrumentation for measuring fluid properties and flowing
(100-mm) liquid vortex meters for liquid hydrocarbon measurement and to
conditions, such as pressure and temperature transmitters,
provide guidance in selecting liquid vortex meters for custody transfer
densitometers, gas chromatographs;
measurement. Pages: 30
obtaining and use of gas composition or other analytical data;
1st Edition | July 2018 | Product Number: H257701 | Price: $78.00
design and installation requirements of the measurement system;
TR 2578
inspection, verification, and calibration practices of flow meters and their
associated accessory instrumentation; and
Flow Conditioner Installation and Effects on Turbine Meters
simplified uncertainty calculations with examples to illustrate the
Provides a summary of flow conditioning testing performed on turbine
methodology.
meters in liquid hydrocarbons. Initial testing was conducted in water and
Techniques are described to assess the uncertainty contribution of
those findings were included as an addendum to Ch. 5.3 in
2009,
individual components of fuel gas measurement systems and overall
subsequent testing in hydrocarbon liquids was carried out through July
facility fuel gas measurement uncertainty. Pages: 67
2016.
1st Edition | March 2011 | Product Number: H257101 | Price: $135.00
Phase II testing focused on operational effects, specifically the relationship
of strainer design, strainer basket disturbances, flow conditioning, and their
effects on the flow meter deviations in hydrocarbon applications (viscosities,
TR 2572
densities, and Reynolds number). Pages: 16
Carbon Content, Sampling, and Calculation
1st Edition | October 2017 | Product Number: H257801 | Price: $71.00
Carbon emission quantities can be calculated from either the volume/
mass of fuel or feedstock fed to a process (as applicable) and carbon
content of the process or fuel supply, or by directly measuring volume/
mass emissions. This technical report (TR) provides guidance on the
sampling and calculation of carbon content of process or fuel supplies.
The API companion technical report, TR 2571, can be referenced for
guidance on measuring the volume/mass of process fuel gas or feedstock,
78
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Petroleum Measurement
To purchase individual API standards, visit apiwebstore.org
TR 2579
Liquid Hydrocarbon Measurement Uncertainty Calculations
Provides guidelines for the calculation of uncertainty for field stored and
transported hydrocarbon liquids. Special emphasis is placed on the
measurement uncertainty of crude oils measured at tanks, by lease
automatic custody transfer (LACT), and alternative measurement systems.
This document provides a methodology for calculating the uncertainty in the
measurement of liquid hydrocarbons by flow measurement systems.
Specifically, uncertainty performance expressions are developed for positive
displacement and Coriolis meter types under API Manual of Petroleum
Measurement Standards (MPMS) Chapter 5 for measuring hydrocarbons by
volume. This includes ancillary devices, processes, and measurements used
to calculate a net standard volume (NSV) such as pressure, temperature,
density, and sediment and water (S&W). Pages: 39
1st Edition | September 2020
Product Number: H257901 | Price: $186.00
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
79
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construction provisions. The operation, sampling, testing, and maintenance
provisions in the various sections of this standard shall apply to both new and
existing installations. Pages: 75
NOTE Free publications with an asterisk are subject to a $10.00 handling charge for
each total order, plus actual shipping charges.
2nd Edition | October 2012 | Reaffirmed: April 2019
Product Number: C159502 | Price: $251.00
GENERAL
As of 2010, API does not maintain or distribute the following
Publ 1593
aviation fuel equipment related documents:
Gasoline Marketing in the United States Today
EI 1529
Provides information on motor fuel and gasoline consumption, U.S. motor
fuel distribution, the U.S. gasoline pricing system, motor gasoline prices and
Aviation Fuelling Hose
taxes, the number/configuration of retail gasoline outlets, and employment/
EI 1540
productivity in the retail gasoline distribution industry. Pages: 77
Design, Construction, Operation and Maintenance of Aviation
3rd Edition | May 1992 | Product Number: A15930 | Price: $124.00
Fueling Facilities, IP Model Code of Safe Practice Part 7
Publ 1673
EI 1542
Compilation of Air Emission for Petroleum Distribution Dispensing
Identification Markings for Dedicated Aviation Fuel Manufacturing and
Facilities
Distribution Facilities, Airport Storage and Mobile Fuelling Equipment
Compiles the most widely accepted, available emission factors and emission
estimation techniques for developing air emission estimates from
EI 1550
evaporative loss sources of petroleum products at marketing and distribution
Handbook on Equipment Used for the Maintenance and Delivery of
facilities. These losses can occur from transfer and storage operations and
Clean Aviation Fuel
fugitive equipment leaks and spillage. Pages: 29
2nd Edition | July 2009 | Product Number: A16732 | Price: $88.00
EI 1581
Specification and Qualification Procedures for Aviation Jet Fuel
AVIATION
Filter/Separators
RP 1543
EI 1582
Documentation, Monitoring and Laboratory Testing of Aviation Fuel
Specification for Similarity for API/EI 1581 Aviation Jet Fuel Filter/
During Shipment from Refinery to Airport
Separators
Aviation fuels pass through a variety of storage and handling facilities, from
EI 1584
refinery to airport. As aviation fuels are stored and transported in storage
and transportation systems where contact with non-aviation products may
Four-Inch Aviation Hydrant System Components and Arrangements
occur, a fuel quality monitoring program is required, in addition to
equipment, operating, inspection and maintenance standards. The purpose
EI 1585
of this practice is to ensure the fuel remains on specification. This
Guidance in the Cleaning of Aviation Fuel Hydrant Systems at
recommended practice (RP) was written to provide guidance on the
Airports
development of an aviation fuel monitoring and testing program (fuel quality
monitoring program) for aviation fuel from point of manufacture to delivery to
EI 1590
the airport. “Proper handling” entails documenting and testing aviation fuel
Specifications and Qualification Procedures for Aviation Fuel
quality as product is transported throughout the supply chain to maintain the
original product specification. Pages: 25
Microfilters
1st Edition | July 2009 | Reaffirmed: April 2019
EI 1594
Product Number: A154301 | Price: $65.00
Initial Pressure Strength Testing of Airport Fuel Hydrant Systems with
Water
RP 1595
Design, Construction, Operation, Maintenance, and Inspection of
EI 1596
Aviation Pre-Airfield Storage Terminals
Design and Construction of Aviation Fuel Filter Vessels
Contains basic requirements for the design, construction, operation, and
EI 1597
maintenance of pre-airfield storage terminals located directly upstream of the
airport, hereafter referred to as “pre-airfield storage terminals.” This
Procedures for Overwing Fuelling to Ensure Delivery of the Correct
recommended practice provides guidance on the minimum equipment
Fuel Grade to an Aircraft
standards and operating procedures for the receipt and storage of aviation
fuels at pre-airfield storage terminals, located directly upstream of the airport,
EI 1598
and its shipment directly via a grade-dedicated pipeline, marine vessel (barge
Considerations for Electronic Sensors to Monitor Free Water and/or
or ship), or road/rail transport to an airport. This RP does not address in-transit
Particulate Matter in Aviation Fuel
or breakout storage upstream of the pre-airfield storage terminal. The design
and construction provisions of this standard are intended for application at
EI 1599
new facilities. Application of the design and construction provisions of this
standard to facilities, equipment, structures, or installations that are already in
Laboratory Tests and Minimum Performance Levels for Aviation Fuel
place, that are in the process of construction or that are installed before the
Dirt Defense Filters
date of this publication, should be evaluated when circumstances merit. Such
an evaluation should consider the site-specific circumstances and detailed
The documents listed above are maintained and distributed by the Energy
accounting for both the potential and tolerance for risk, existing conditions at
Institute. For ordering information, please refer to the following website:
the installation, and overall benefit for applying the required design and
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
81
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MARKETING OPERATIONS
RP 1621
Bulk Liquid Stock Control at Retail Outlets
RP 1525
Primarily applies to underground storage of motor fuels and used oil at retail
Bulk Oil Testing, Handling, and Storage Guidelines
and commercial facilities. It assists the operator in controlling bulk stock
losses, thereby achieving a high level of safety and pollution control, while
Provides recommended equipment and procedures for the proper handling
maximizing profits. Pages: 25
of incoming and outgoing shipments of lubricants to prevent contamination
and spillage, and to protect product quality. The guidelines cover receipt,
5th Edition | May 1993 | Reaffirmed: May 2020
storage, packaging, and shipment of finished lubricants in bulk or packaged
Product Number: A16210 | Price: $90.00
goods ranging from Intermediate Bulk Containers (IBCs) to pails. A log
(whether electronic or hardcopy) detailing incoming and outgoing shipments
RP 1626
is recommended and may be mandatory in some jurisdictions. Pages: 37
Storing and Handling Ethanol and Gasoline-Ethanol Blends at
2nd Edition | June 2021 | Product Number: F15252
Distribution Terminals and Filling Stations
You may download a PDF of this document from https://www.api.org/
(includes Errata 1 dated February 2011)
products-and-services/engine-oil/documents/1525-guidelines
Describes recommended practices for the storing, handling, and fire
protection of ethanol and gasoline-ethanol blends from E1 to E10 and from
API 1525A
E70 to E100 (used for E85) at distribution terminals and filling stations.
Bulk Engine Oil Chain of Custody and Quality Documentation
Where information exists for gasoline-ethanol blends from E11 to E15, it is
shared. Recommended practices for E16 through E69 are not covered
Provides procedures for managing bulk engine oil chain of custody to ensure
because currently these blends are not legal gasoline blends or alternative
oil quality from the point of manufacture to installation in the end user’s
fuels. There is a general lack of information on the properties of these blends
engine. The procedures specifically address the following key topics: Bulk
and there are currently no filling station components certified by any
Engine Oil Provider (BEOP) practices; the ordering of oils meeting API 1509;
nationally recognized testing laboratory for these blends. Pages: 59
chain-of-custody documentation that identifies bulk engine oil throughout
the supply system; and requirements for informing consumers about the
2nd Edition | August 2010 | Reaffirmed: May 2020
types of engine oil available for installation and requirements for notification
Product Number: A16262 | Price: $168.00
(written and/or electronic) and labeling of the oil installed in mobile
equipment engines. Pages: 19
Std 1631
2nd Edition | November 2021 | Product Number: F1525A2
Interior Lining and Periodic Inspection of Underground Storage
You may download a PDF of this document from https://www.api.org/
Tanks
products-and-services/engine-oil/documents/api-1525a
Provides minimum recommendations for the interior lining of existing steel
and fiberglass reinforced plastic underground tanks used to store petroleum-
RP 1604
based motor fuels and middle distillates. Recommendations and procedures
Closure of Underground Petroleum Storage Tanks
to be followed by contractors, mechanics, and engineers are presented.
Methods for vapor-freeing tanks, removing sediment, and cleaning interior
Provides operating procedures that may be used for the abandonment,
surfaces of steel and fiberglass tanks are also presented, as are guidelines
removal, storage, temporarily-out-service, and sale of used underground
for identifying tanks that may be lined. The methods described in this
tanks that have contained gasoline or other flammable liquids. Pages: 22
standard are applicable to steel and fiberglass-reinforced plastic tanks used
4th Edition | February 2021 | Product Number: A16044 | Price: $90.00
for the storage of petroleum-based motor fuels and middle distillates. The
procedures are applicable to tanks installed in typical retail service station
RP 1615
outlets, but may also be used for tanks installed at other types of facilities.
Installation of Underground Petroleum Storage Systems
Pages: 25
Guide to procedures and equipment that should be used for the proper
5th Edition | June 2001 | Reaffirmed: May 2020
installation of underground storage systems for bulk petroleum products or
Product Number: A16315 | Price: $94.00
used oil at retail and commercial facilities. The stored products include
gasoline, diesel fuel, kerosene, lubricating oils, used oil, and certain bio-fuel
RP 1637
blends. This RP is intended for use by architects, engineers, tank owners,
Using the API Color-Symbol System to Identify Equipment, Vehicles,
tank operators, and contractors. Contractors, engineers, and owners or
operators who are preparing to design or install an UST system should
and Transfer Points for Petroleum Fuels and Related Products at
investigate the federal, state, and local requirements and current methods of
Dispensing and Storage Facilities and Distribution Terminals
compliance for vapor recovery in that region. Vapor recovery is covered in
Describes a system for marking equipment used to store and handle bulk
detail in Section 17 of this document. This RP is not intended to cover
petroleum, alcohol-blended petroleum and biodiesel products. The marking
specialized installations, such as fuel storage systems at marinas or airports,
system described in this recommended practice does not cover aviation
heating oil storage systems (either residential or bulk), or systems installed
fuels. Marking systems for aviation fuels are described in API/IP Std 1542.
inside buildings. However, it does outline recognized and generally accepted
Pages: 22
good engineering practices that may be of use for these specialized
installations. This RP does not apply to the installation of below ground or
4th Edition | April 2020 | Product Number: A16374| Price: $79.00
above ground bulk storage systems greater than 60,000 gallons. Pages: 89
6th Edition | April 2011 | Reaffirmed: May 2020
Product Number: A16156 | Price: $222.00
82
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RP 1639
RP 1646 *
Owner/Operator's Guide to Operation and Maintenance of Vapor
Safe Work Practices for Contractors Working at Retail Petroleum/
Recovery Systems at Gasoline Dispensing Facilities
Convenience Facilities-Spanish
Provides guidance for owners and operators of gasoline dispensing facilities
Spanish translation of RP 1646.
and regulatory officials regarding the operation and maintenance of gasoline
2nd Edition | May 2017 | Reaffirmed: September 2022
vapor recovery systems and components. Proper operation and
Product Number: A164602S | Price: $159.00
maintenance of the equipment can improve compliance with vapor recovery
regulations and provide substantial emission reductions. This guide does not
Std 2610
address the maintenance required qualified service technicians. Pages: 22
Design, Construction, Operation, Maintenance, and Inspection of
1st Edition | July 2003 | Reaffirmed: May 2020
Terminal and Tank Facilities
Product Number: A16391 | Price: $94.00
Guides the management of terminals and tanks in a manner that protects
RP 1640
the environment and the safety of workers and the public. This standard is
intended for petroleum terminal and tank facilities associated with
Product Quality in Light Product Storage and Handling Operations
marketing, refining, pipeline, and other similar facilities. This standard may
Assists those involved in fuel handling at distribution and intermediate
be used as a resource and management guide by those responsible for such
storage facilities. This publication provides guidance on the minimum
facilities and by those working on their behalf. This standard is a compilation
equipment standards and operating procedures for the receipt, storage,
of industry knowledge, information, and management practices for all
blending, and delivery of light products, their blend components, and
relevant aspects of terminal and tank operations aggregated into an overview
additives at distribution and intermediate storage terminals, including
document comprising best practices. Pages: 100
related operations of pipeline, marine vessel (barge or ship), and road/rail
3rd Edition | September 2018 | Product Number: C26103 | Price: $192.00
transport. This recommended practice also covers the minimum equipment
standards and operating procedures for the receipt, storage, and blending of
USED OIL
light products, including but not limited to gasoline, kerosene, diesel, heating
oil, and their blend components (i.e. ethanol, biodiesel, and butane) at
distribution and storage terminals, as well as light product shipments directly
A Guidebook for Implementing Curbside and Drop-Off Used Motor
via a pipeline, marine vessel (barge or ship) or road and rail transport.
Oil Collection Programs
Pages: 85
Designed to help municipal managers and regulators evaluate the types of
2nd Edition | February 2021 | Product Number: A164002 | Price: $226.00
available programs (either curbside or drop-off programs, including examples
of both), and how to effectively implement these used oil recycling programs.
It is based on national surveys of existing programs throughout the country
Publ 1642
and includes examples of budgets, procedures, equipment, and model
Alcohol, Ethers, and Gasoline-Alcohol and -Ether Blends
programs that are currently underway. Pages: 47
Examines fire safety considerations at petroleum marketing facilities.
1st Edition | February 1992 | Product Number: B20002 | Price: Free
Focuses on gasoline blended with oxygenates, and M85, but also includes
alcohols and ethers because they may be present at terminals and bulk
Publ 1830
plants for blending purposes. Pages: 12
National Used Oil Collection Study
1st Edition | February 1996 | Product Number: A16421 | Price: $66.00
Reviews the status of used engine oil collection in the United States.
Publ 1645
Documents state efforts to collect oil and the outcomes of such efforts.
Provides examples of how used oil collection can be successful, as well as
Stage II Cost Study
warning of the pitfalls that should be avoided, based on the experience of
Addresses the general installation cost information for three different types
other states. Pages: 248
of retail gasoline outlet (RGO) vapor recovery systems: vapor balance,
1st Edition | June 1996 | Product Number: B18301 | Price: $63.00
passive vacuum assist, and active vacuum assist. Additionally, it provides an
overview of how each system operates. Pages: 6
Publ 1835
1st Edition | August 2002 | Product Number: A16451 | Price: $62.00
Study of Used Motor Oil Recycling in Eleven Selected Countries
RP 1646
The study described in this report obtained information about used motor oil
collection and recycling programs in 11 selected countries around the world.
Safe Work Practices for Contractors Working at Retail Petroleum/
Pages: 55
Convenience Facilities
1st Edition | November 1997 | Product Number: B18351 | Price: $65.00
Provides the recommended minimum safety procedures for working at retail
petroleum/convenience facilities and is a key component of the API
TANK TRUCK OPERATIONS
WorkSafe Program. It also details how to develop a task specific Job Safety
Analysis that should be completed before any work may begin. This
document also provides the user with a general awareness of safety issues
For Safety’s Sake-MC 306 Cargo Tank Vehicle Inspection
associated with maintenance and construction work at retail petroleum/
This VHS tape provides a step-by-step approach to pre- and post-trip
convenience facilities, including service stations. It also highlights many of
inspection of MC 306 cargo tank vehicles. The tape follows a driver through
the Federal OSHA requirements that may apply to maintenance and
an actual walk-around inspection and covers driver recordkeeping and the
construction work in the retail petroleum/convenience business. Pages: 84
inspection itself-brakes, lights, mirrors, tires, wiring, the tank, and placards.
Also includes common truck defects. The videotape was prepared under the
2nd Edition | May 2017 | Reaffirmed: September 2022
direction of the API Highway Safety Committee and parallels the U.S.
Product Number: A164602 | Price: $159.00
Department of Transportation's truck inspection regulations. Two minutes of
blank leader is provided on the tape so that it can be customized to fit
company training needs. VHS tape: 14 minutes. Pages: 65
January 1989 | Product Number: A11500 | Price: $112.00
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
This publication is a new entry in this catalog.
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83
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RP 1004
API 1509
Bottom Loading and Vapor Recovery for MC-306 & DOT-406 Tank
Engine Oil Licensing and Certification System
Motor Vehicles
Describes the API Engine Oil Licensing and Certification System (EOLCS), a
Provides an industry standard for bottom loading and vapor recovery of
voluntary licensing and certification program designed to define, certify, and
proprietary and hired carrier DOT MC-306 tank vehicles at terminals
monitor engine oil performance deemed necessary for satisfactory
operated by more than one supplier. Guides the manufacturer and operator
equipment life and performance by vehicle and engine manufacturers.
of a tank vehicle as to the uniform features that should be provided to permit
22nd Edition | February 2022 | For a free copy of this document, please
loading of a tank vehicle with a standard 4-in. adapter. This edition of
RP 1004 requires an independent secondary control system and maximum
requirements for outage in the tank to allow the secondary control system to
api-1509-documents
function. Pages: 21
8th Edition | January 2003 | Reaffirmed: February 2011
API 1509 *
2-Year Extension: January 2018
Engine Oil Licensing and Certification System-Chinese
Product Number: A10048 | Price: $120.00
Chinese translation of API 1509.
21st Edition | February 2022 | For a free copy of this document, please
RP 1007
Loading and Unloading of MC 306/DOT 406 Cargo Tank Motor
api-1509-documents
Vehicles
Ensuring the safe and efficient loading and delivery of petroleum products to
API 1509 *
retail service stations and bulk facilities is the primary goal for all companies
Engine Oil Licensing and Certification System-Portuguese
that transport product. This document is a guideline for use by the truck
driver and persons responsible for loading and unloading of MC306/
Portuguese translation of API 1509.
DOT406 cargo tanks. It identifies specific steps to ensure that product can
21st Edition | February 2022 | For a free copy of this document, please
be loaded into tank trucks and unloaded into both underground and
aboveground storage tanks in a safe and efficient manner that protects the
api-1509-documents
environment. It is intended to be used in conjunction with existing driver
training programs and procedures. Pages: 24
API 1509 *
1st Edition | March 2001 | Reaffirmed: February 2011
2-Year Extension: January 2018
Engine Oil Licensing and Certification System-Spanish
Product Number: A10071 | Price: $42.00
Spanish translation of API 1509.
21st Edition | February 2022 | For a free copy of this document, please
RP 1112
Developing a Highway Emergency Response Plan for Incidents
api-1509-documents
Involving Hazardous Materials
Provides minimum guidelines for developing an emergency response plan for
Publ 1520
incidents involving hazardous liquid hydrocarbons, such as gasoline and
Directory of Licensees: API Engine Oil Licensing and Certification
crude oil, transported in MC 306/DOT 406 and MC 307/DOT 407
System
aluminum cargo tanks, and for coordinating and cooperating with local,
state, and federal officials. Covers response plan priorities, personnel
Identifies the companies licensed to display the API Engine Oil Licensing and
training, special equipment, media relations, environmental relations, and
Certification System (EOLCS) Symbols.
post-response activities. The appendixes outline a highway emergency
This directory can be accessed only through API’s website,
response plan and suggest a procedure for removing liquid hydrocarbons
from overturned cargo tanks and righting the tank vehicles. Pages: 21
and-documents/documents/publication-1520
3rd Edition | November 1997 | Reaffirmed: February 2011
2-Year Extension: January 2018
DIESEL FUEL
Product Number: A11123 | Price: $82.00
Publ 1571
MOTOR OILS AND LUBRICANTS
Diesel Fuel-Questions and Answers for Highway and Off-Highway Use
Motor Oil Shelf Cards
Provides answers to some of the frequent questions asked about diesel fuel.
Included are explanations of the quality features of diesel fuel and their
This two-page laminated guide helps consumers understand the API Engine
significance, descriptions of diesel fuel classifications, discussions of
Oil Quality Marks-the API Certification Mark, “Starburst,” and Service
additives normally used and their purposes, and explanations of factors that
Symbol, “Donut,” and the API Service Categories. Shelf Cards are available in
can affect performance. Pages: 20
English and Spanish and can be personalized with a company logo. For
information on personalizing the shelf cards, call 202-682-8156.
4th Edition | January 1996 | Product Number: F15714 | Price: $140.00
Single copies free on request from API [eolcs@api.org or (202)-682-8516]
*These translated versions are provided for the convenience of our customers and are not officially endorsed by API. The translated versions shall neither replace nor supersede the
English-language versions, which remain the official standards. API shall not be responsible for any discrepancies or interpretations of these translations. Translations may not
include any addenda or errata to the document. Please check the English-language versions for any updates to the documents.
84
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Marketing
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HEALTH, ENVIRONMENT, AND SAFETY: GENERAL
Publ 1669
Results of a Retail Gasoline Outlet and Commercial Parking Lot
Std 2350
Storm Water Runoff Study
Overfill Protection for Storage Tanks in Petroleum Facilities
Presents the findings of a study to characterize storm water runoff from retail
(includes Errata 1 dated April 2021)
gasoline outlets and compares the results with runoff from commercial
(ANSI/API Std 2350)
parking lots and published urban “background” values. Funded by the
Applies to storage tanks associated with marketing, refining, pipeline, and
Western States Petroleum Association (WSPA) and the American Petroleum
terminals operations and with tanks containing Class I or Class II petroleum
Institute (API), the results of this study indicate that fueling activities at
liquids and use is recommended for Class III petroleum liquids. This
normally operated and maintained retail gasoline outlets do not contribute
standard addresses overfill protection for petroleum storage tanks. It
additional significant concentrations of measured constituents in storm
recognizes that prevention provides the most basic level of protection, thus
water runoff. Pages: 24
while using both terms “protection” and “prevention,” the document
1st Edition | December 1994 | Product Number: A16691 | Price: $90.00
emphasizes prevention. The standard's scope covers overfill (and damage)
prevention practices for aboveground storage tanks in petroleum facilities,
HEALTH, ENVIRONMENT, AND SAFETY:
including refineries, marketing terminals, bulk plants, and pipeline terminals
SOIL AND GROUNDWATER
that receive flammable and combustible liquids. The fourth edition continues
to build on experience and new technology through the use of management
Publ 1628
systems. Since operations are the primary overfill prevention safeguard, new
A Guide to the Assessment and Remediation of Underground
definitions and requirements are established for alarms. Risk reduction is
also addressed by current and generally accepted industry practices.
Petroleum Releases
The essential elements of this document are based on current industry safe
Provides an overview of proven technologies for the assessment and
operating practices and existing consensus standards. Federal, state, and
remediation of petroleum releases in soil and groundwater. Covers
local regulations or laws may contain additional requirements for tank overfill
accidental releases arising from the production, transportation, refining, and
protection programs. For existing facilities, the results of a risk-based
marketing of liquid petroleum products or unrefined crude oil. Pages: 119
analysis of aboveground atmospheric petroleum storage tanks may indicate
3rd Edition | July 1996 | Product Number: A16283 | Price: $177.00
the need for more protection against overfilling. In such cases, some
Publ 1628 and its five companion publications (1628A, 1628B, 1628C,
provisions from this standard may be suitable.
1628D, and 1628E) may be purchased as a set.
The purpose of this standard is to assist owner/operators and operating
Order Number: A1628S | Price: $350.00
personnel in the prevention of tank overfills by implementation of a
comprehensive overfill prevention process (OPP). The goal is to receive
Publ 1628A
product into the intended storage tank without overfill or loss of containment.
Natural Attenuation Processes
This standard does not apply to: underground storage tanks; aboveground
Describes the physical, chemical, and biological processes that decrease
tanks of 1320 U.S. gallons (5000 liters) or less; aboveground tanks which
the concentrations and ultimately limit the extent of the dissolved plume
comply with PEI 600; pressure vessels; tanks containing non-petroleum
migrating from a hydrocarbon release. Pages: 16
liquids; tanks storing LPG and LNG; tanks at service stations; tanks filled
1st Edition | July 1996 | Product Number: A1628A | Price: $64.00
exclusively from wheeled vehicles (i.e. tank trucks or railroad tank cars); and
tanks covered by OSHA 29 CFR 1910.119 and EPA 40 CFR 68, or similar
Publ 1628B
regulations. Pages: 75
Risk-Based Decision Making
5th Edition | September 2020
Discusses risk-based decision making approaches used for the assessment
Product Number: K235005 | Price: $135.00
of hazardous conditions. Also presents information that can be utilized to
focus remedial measures and funds on petroleum hydrocarbon release sites
HEALTH, ENVIRONMENT, AND SAFETY: WASTE
while being protective of human health and the environment, and to facilitate
timely closure of hydrocarbon-impacted sites. Pages: 13
Publ 1638
1st Edition | July 1996 | Product Number: A1628B | Price: $64.00
Waste Management Practices for Petroleum Marketing Facilities
Provides specific guidance for managing typical waste streams at petroleum
Publ 1628C
marketing facilities. This publication covers petroleum marketing facilities
Optimization of Hydrocarbon Recovery
ranging from retail fuel convenience stores to terminals and lube plants.
Covers the optimization, in its broadest sense, to achieve an environmentally
Pages: 20
sound site closure in the appropriate timeframe for the least cost (to
1st Edition | October 1994 | Product Number: A16381 | Price: $82.00
maximize efficiency of the selected system). Pages: 20
1st Edition | July 1996 | Product Number: A1628C | Price: $65.00
HEALTH, ENVIRONMENT, AND SAFETY: WATER
Publ 1628D
Publ 1612
In-Situ Air Sparging
Guidance Document for Discharging of Petroleum Distribution
Terminal Effluents to Publicly Owned Treatment Works
Addresses in-situ air sparging. Covers remediation technologies, starting with
the early techniques of containment or mass reduction through today's very
Provides terminal managers with guidance on discharging terminal effluents
aggressive site closure techniques. Addresses containment as well as
to publicly owned treatment works (POTWs). Covers relations with POTW
residual petroleum hydrocarbon compounds. Pages: 13
personnel, POTW concerns in accepting terminals wastewater, pretreatment
regulations and local limits on the discharge of wastewaters to POTWs, and
1st Edition | July 1996 | Product Number: A1628D | Price: $65.00
associated costs. Pages: 34
1st Edition | November 1996 | Product Number: A16121 | Price: $105.00
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
85
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Publ 1628E
Operation and Maintenance Considerations for Hydrocarbon
Remediation Systems
Discusses concepts regarding operation and maintenance procedures
necessary to achieve and maintain optimal performance of petroleum
hydrocarbon remediation systems. Pages: 23
1st Edition | July 1996 | Product Number: A1628E | Price: $64.00
Publ 1629
Guide for Assessing and Remediating Petroleum Hydrocarbons in Soils
This publication provides information regarding the site and release
characteristics relevant to, and methods for assessing and remediating, soils
contaminated with petroleum hydrocarbons released from underground or
aboveground storage tank systems and operations. Developed to
complement Publ 1628, which focuses primarily on assessing and
remediating petroleum releases that may impact groundwater. Pages: 81
1st Edition | October 1993 | Product Number: A16290 | Price: $163.00
SECURITY
Std 1164
Pipeline Control Systems Cybersecurity
(includes Errata 1 dated August 2021)
Provides requirements and guidance for managing cyber risk associated with
industrial automation and control (IAC) environments to achieve security,
integrity, and resiliency objectives. This is accomplished through proper
isolation of IAC environments from non-IAC environments to help IAC
operational continuity. This standard is tailored for the oil and natural gas
(ONG) pipeline industry, which includes, but is not limited to, natural gas
and hazardous liquid transmission pipeline systems, natural gas distribution
pipeline systems, liquefied natural gas (LNG) facilities, propane air facilities,
and others involved in these industries. This standard was developed to
provide an actionable approach to protect IAC essential functions by
managing cybersecurity risk to IAC environments. IAC environments can
include, but are not limited to, supervisory control and data acquisition
(SCADA), local control, and industrial internet of things (IIoT) solutions. This
standard should be used in the context of developing, implementing,
maintaining, and improving an IAC cybersecurity program, which includes
the policies, processes, and procedural and technical controls for IAC cyber
environments. Pages: 142
3rd Edition | August 2021 | Product Number: D11043 | Price: $198.00
86
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Transportation
If you have any questions or comments regarding API standards, please visit
Get the Dirt
Video
NOTE Free publications with an asterisk are subject to a $10.00 handling charge for
A damage prevention awareness video produced by the Dig Safely team. The
each total order, plus actual shipping charges.
video explains the call first process and encourages its use. Available in both
English and Spanish.
RAIL TRANSPORTATION
Single copies free from the API Pipeline Segment: 202-682-8125
Multiple copies available for $1.30 each plus shipping from
RP 3000
Classifying and Loading of Crude Oil into Rail Tank Cars
Revak & Associates: 330-533-1727
Provides guidance on the material characterization, transport classification,
and quantity measurement for overfill prevention of petroleum crude oil, for
PIPELINE OPERATIONS PUBLICATIONS
the loading of rail tank cars.
This document applies only to petroleum crude oil classified as Hazard Class
RP 80
3-Flammable Liquid under the U.S. Code of Federal Regulations (CFR) at
Definition of Onshore Gas Gathering Lines
the time of publication.
Developed by an industry coalition that included representatives from over
RP 3000 identifies criteria for determining the frequency of sampling and
20 petroleum industry associations, this recommended practice provides a
testing of petroleum crude oil for transport classification. It discusses how to
functional description of onshore gas gathering pipelines for the sole
establish a sampling and testing program and provides an example of such
purpose of providing users with a practical guide for determining the
a program.
application of the definition of gas gathering in the federal Gas Pipeline
This document provides guidance on Packing Group (PG) assignment,
Safety Standards, 49 CFR Part 192, and state programs implementing these
including the potential effect of heel, and mixing of crude oils of differing
standards. Pages: 47
PGs. The document provides guidance on initial testing and an ongoing
2nd Edition | March 2020 | Product Number: G80002 | Price: $111.00
sampling and testing for assignment of PG.
RP 3000 provides guidance on determining the loading target quantity (LTQ)
RP 1102
of crude oil transported by rail tank car. This includes crude oil temperature
and density determination, identification of sampling points based on
Steel Pipelines Crossing Railroads and Highways
loading scenarios, and measurement equipment and processes.
(includes Errata 1 dated November 2008, Errata 2 dated May 2010,
Guidance on the documentation of measurement results and record
Errata 3 dated September 2012, Errata 4 dated February 2014, and
retention is also provided. Pages: 46
Errata 5 dated March 2014)
1st Edition | September 2014 | Reaffirmed: December 2022
Covers the design, installation, inspection, and testing required to ensure
Product Number: A30001|Price: $136.00
safe crossings of steel pipelines under railroads and highways. The
provisions apply to the design and construction of welded steel pipelines
PIPELINE PUBLIC EDUCATION AND AWARENESS
under railroads and highways. The provisions of this practice are formulated
to protect the facility crossed by the pipeline, as well as to provide adequate
API Guidelines for Right-of-Way Activities
design for safe installation and operation.
Brochure
The provisions herein should be applicable to the construction of pipelines
The liquid petroleum pipeline industry has developed these guidelines to
crossing under railroads and highways and to the adjustment of existing
improve understanding and increase awareness of the nature of
pipelines crossed by railroad or highway construction. This practice should
underground pipelines that transport oil, petroleum products, natural gas
not be applied retroactively. Neither should it apply to pipelines under
liquids, and other hazardous liquids and how to conduct land development
contract for construction on or prior to the effective date of this edition.
and use activity near pipeline rights of way.
Neither should it be applied to directionally drilled crossings or to pipelines
installed in utility tunnels. Pages: 64
The guidelines are intended for use by anyone who is involved in land
development, agriculture and excavation/construction activities near a
7th Edition | December 2007 | Reaffirmed: December 2017
pipeline. The industry’s goal is to protect public safety of the people who live
Product Number: D11021 | Price: $125.00
and work along pipeline rights of way, protect the environment along rights of
way, and maintain the integrity of the pipeline so that petroleum products
Std 1104
can be delivered to customers safely and without interruption.
Welding of Pipelines and Related Facilities
A pipeline right-of-way (ROW) is property in which a pipeline company and a
landowner both have a legal interest. Each has a right to be there, although
Covers the gas and arc welding of butt, fillet, and socket welds in carbon and
each has a different type of use for the land. Pipeline companies are granted
low-alloy steel piping used in the compression, pumping, and transmission of
permission from private landowners to transport petroleum products across
crude petroleum, petroleum products, fuel gases, carbon dioxide, and
their private lands. That permission is documented in a written agreement
nitrogen, and, where applicable, covers welding on distribution systems. It
called an easement, and it is obtained though purchase, license, or by
applies to both new construction and in-service welding. The welding may be
agreement with the landowner. In cases where the land is owned by the
done by a shielded metal-arc welding, submerged arc welding, gas tungsten-
government-whether local, state or federal-similar arrangements for
arc welding, gas metal-arc welding, flux-cored arc welding, plasma arc welding,
easements, licenses or occupancy agreements are obtained.
oxyacetylene welding, or flash butt welding process, or by a combination of
A pipeline requires regular observation, integrity assessment and
these processes using a manual, semiautomatic, mechanized, or automatic
maintenance to maintain the safety of its operations. Part of that task is to
welding technique or a combination of these techniques. The welds may be
ensure that the pipeline ROW is kept clear of trees, structures and other
produced by position or roll welding or by a combination of position and roll
encroachments that might interfere with the safe operation of the pipeline
welding. This standard also covers the procedures for radiographic, magnetic
and the pipeline company's access to the line.
particle, liquid penetrant, and ultrasonic testing, as well as the acceptance
The pipeline industry hopes that these guidelines will help both pipeline
standards to be applied to production welds tested to destruction or inspected
operators and people working and living along pipeline rights of way to better
by radiographic, magnetic particle, liquid penetrant, ultrasonic, and visual
understand their respective responsibilities for maintaining the safety of this
testing methods. Pages: 174
vital, but invisible, transportation system.
22nd Edition | July 2021| Product Number: D110422 | Price: $410.00
1st Edition | August 2018 | Product Number: DOGP04
Price: $14.00 ($68.00 for set of five brochures)
This publication is a new entry in this catalog.
This publication is related to an API licensing, certification, or accreditation program.
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