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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.
Bulletin on Round Thread Casing Joint Strength with Combined Internal Pressure and Bending
Standard published on 31.5.1987
Selected format:Procedures for Testing Casing and Tubing Connections, Fourth Edition, Includes Addendum 1 (2021)
Standard published on 1.1.2017
Selected format:Addendum to Procedures for Testing Casing and Tubing Connections, Fourth Edition
Adjunct of the standard published on 1.5.2021
Selected format:Pipe with Welded Connectors, Third Edition
Standard published on 1.5.2018
Selected format:Recommended Practice for Coiled Tubing Operations in Oil and Gas Well Services
Standard published on 1.12.1996
Selected format:Care, Maintenance, and Inspection of Coiled Tubing, First Edition
Standard published on 1.1.2017
Selected format:Corrosion-resistant Alloy Seamless Products for Use as Casing, Tubing, Coupling Stock, and Accessory Material, Third Edition
Standard published on 1.4.2025
Selected format:Casing and Tubing, Eleventh Edition, Includes Errata 1 (2024) Errata 2 (2024), and Addendum 1 (2025)
Standard published on 1.12.2023
Selected format:Addendum 1 to Specification for Casing and Tubing, Eleventh Edition
Adjunct of the standard published on 1.5.2025
Selected format:Errata 1 to Specification for Casing and Tubing, Eleventh Edition
Adjunct of the standard published on 1.5.2024
Selected format:Latest update: 2026-03-15 (Number of items: 2 266 660)
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