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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.
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:Errata 2 to Specification for Casing and Tubing, Eleventh Edition
Adjunct of the standard published on 1.8.2024
Selected format:Specification for Casing and Tubing (Metric Units)
Standard published on 1.4.1995
Selected format:Effect of Side Groove on the Edge Cracks for Reducing Invalid Double Cantilever Beam Tests
Standard published on 1.11.2025
Selected format:Drill Pipe, Second Edition, Includes Errata 1 (2020), Addendum 1 (2025), Errata 2 (2024), and Errata 3 (2025)
Standard published on 1.5.2020
Selected format:Addendum 1 to Drill Pipe, Second Edition
Adjunct of the standard published on 1.1.2025
Selected format:Latest update: 2025-12-22 (Number of items: 2 253 013)
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