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API (American Petroleum Institute) is a leader in the development of petroleum and petrochemical equipment and operating standards covering topics that range from drill bits to environmental protection. These embrace proven, sound engineering and operating practices and safe, interchangeable equipment and materials. Many have been incorporated into state and federal regulations and adopted by ISO for worldwide acceptance.
Addendum to Recommended Practice for Operation, Inspection, Maintenance, and Repair of Drilling and Well Servicing Structures, Fifth Edition
Adjunct of the standard published on 1.9.2020
Selected format:Metering: General Considerations for Measurement by Meters, Includes Errata (June 2008), Errata 2 (June 2011)
Standard published on 31.8.2005
Selected format:Errata to Metering: General Considerations for Measurement by Meters
Adjunct of the standard published on 1.6.2011
Selected format:Metering: Measurement of Liquid Hydrocarbons by Displacement Meters
Standard published on 1.9.2005
Selected format:Metering: Measurement of Liquid Hydrocarbons by Turbine Meters, Fifth Edition, Includes Addendum 1 (2009)
Standard published on 1.9.2005
Selected format:Addendum 1 to Metering: Measurement of Liquid Hydrocarbons by Turbine Meters
Adjunct of the standard published on 1.7.2009
Selected format:Metering: Accessory Equipment for Liquid Meters, Includes Errata (2015)
Standard published on 1.9.2005
Selected format:Errata to Metering: Accessory Equipment for Liquid Meters
Adjunct of the standard published on 1.5.2015
Selected format:Manual of Petroleum Measurement Standards Chapter 5-Metering, Section 5-Fidelity and Security of Flow Measurement Pulsed-Data Transmission Systems, Second Edition
Standard published on 1.7.2005
Selected format:Measurement of Liquid Hydrocarbons by Coriolis Meters, Second Edition
Standard published on 1.12.2021
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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