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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.
Marine Measurement: Method for Quantification of Small Volumes on Marine Vessels (OBQ/ROB), Second Edition
Standard published on 1.9.2016
Selected format:Voyage Analysis and Reconciliation of Cargo Quantities, Fifth Edition
Standard published on 1.7.2025
Selected format:Guidelines for Determining the Fullness of Pipelines Between Marine Vessels and Shore Facilities, Third Edition, Includes Addendum 1 (2025)
Standard published on 1.9.2022
Selected format:Addendum 1 to Guidelines for Determining the Fullness of Pipelines Between Marine Vessels and Shore Facilities, Third Edition
Adjunct of the standard published on 6.3.2025
Selected format:Marine Measurement: Recommended Practices for Developing Barge Control Factor (Volume Ratio)
Standard published on 1.9.1995
Selected format:Pre-loading Inspection of Marine Vessel Cargo Tanks and Their Cargo-handling Systems, Third Edition
Standard published on 1.12.2025
Selected format:Vessel Experience Factor (VEF), Third Edition, Includes Datasheets
Standard published on 1.7.2019
Selected format:Design and Operation of Subsea Production Systems - General Requirements and Recommendations, Sixth Edition
Standard published on 1.5.2022
Selected format:Recommended Practice for Flexible Pipe, Sixth Edition
Standard published on 1.5.2024
Selected format:API Recommended Practice onTFL (Through Flowline) Systems, Second Edition
Standard published on 1.9.2002
Selected format:Latest update: 2026-03-18 (Number of items: 2 266 854)
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