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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.
Specification for Drill Through Equipment, Fourth Edition, Includes Errata 1 (2017), Addendum 1 (2017), Errata 2 (2017), Errata 3 (2018), Addendum 2 (2025), and Errata 4 (2025)
Standard published on 1.4.2017
Selected format:Addendum 1 to Specification for Drill Through Equipment, Fourth Edition
Adjunct of the standard published on 1.10.2017
Selected format:Addendum 2 to Specification for Drill Through Equipment, Fourth Edition
Adjunct of the standard published on 1.3.2025
Selected format:Errata 1 to Specification for Drill Through Equipment, Fourth Edition
Adjunct of the standard published on 1.8.2017
Selected format:Errata 2 to Specification for Drill Through Equipment, Fourth Edition
Adjunct of the standard published on 1.11.2017
Selected format:Errata 3 to Specification for Drill Through Equipment, Fourth Edition
Adjunct of the standard published on 1.4.2018
Selected format:Errata 4 to Specification for Drill Through Equipment, Fourth Edition
Adjunct of the standard published on 1.3.2025
Selected format:Repair and Remanufacture of Drillthrough Equipment, Second Edition
Standard published on 1.1.2025
Selected format:Coiled Tubing, Snubbing, and Wireline Well Intervention Equipment, First Edition
Standard published on 1.5.2025
Selected format:Choke and Kill Equipment, Third Edition, Includes Errata 1 (2022), Errata 2 (2022), Errata 3 (2025), and Addendum 1 (2024)
Standard published on 28.2.2021
Selected format:Latest update: 2025-12-21 (Number of items: 2 252 887)
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