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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.
Manual of Petroleum Measurement Standards Chapter 2.2G Calibration of Upright Cylindrical Tanks Using the Total Station Reference Line Method
Standard published on 1.11.2019
Selected format:Manual of Petroleum Measurement Standards Chapter 2—Tank Calibration Section 7—Calibration of Barge Tanks
Standard published on 1.9.2021
Selected format:Manual of Petroleum Measurement Standards Chapter 2-Tank Calibration Section 8A-Calibration of Tanks on Ships and Oceangoing Barges
Standard published on 1.11.2023
Selected format:Manual of Petroleum Measurement Standards Chapter 2—Tank Calibration Section 8B—Recommended Practice for the Establishment of the Location of the Reference Gauge Point and the Gauge Height of Tanks on Marine Tank Vessels
Standard published on 1.11.2019
Selected format:Manual of Petroleum Measurement Standards Chapter 20—Allocation Measurement Section 1—Allocation Measurement
Standard published on 1.11.2022
Selected format:Manual of Petroleum Measurement Standards Chapter 20.2 Production Allocation Measurement Using Single-phase Devices
Standard published on 1.11.2016
Selected format:Manual de Estándares de Medición de Petróleo Capítulo 20.2 Directrices para la Inspección Previa a la Carga de Tanques de Carga del Buque y sus Sistemas de Manipulación de Cargamentos
Standard published on 1.8.2016
Selected format:Manual of Petroleum Measurement Standards Chapter 20.3 Measurement of Multiphase Flow
Standard published on 1.1.2013
Selected format:Manual of Petroleum Measurement Standards Chapter 20.3 Measurement of Multiphase Flow
Standard published on 1.2.2024
Selected format:Manual of Petroleum Measurement Standards Chapter 20.5 Recommended Practice for Application of Production Well Testing in Measurement and Allocation
Standard published on 1.8.2023
Selected format:Latest update: 2025-07-21 (Number of items: 2 209 006)
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