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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.
Casing Wear Tests, First Edition
Standard published on 1.6.2015
Selected format:Oil Field Chain and Sprockets, Eighth Edition, Includes Errata
Standard published on 1.11.2010
Selected format:Errata to Oil Field Chain and Sprockets, Eighth Edition
Adjunct of the standard published on 1.5.2013
Selected format:Drill Stem Performance Properties, First Edition, Includes Errata 1 (2024) and Errata 2 (2024)
Standard published on 1.4.2023
Selected format:Errata 1 to Drill Stem Performance Properties, Seventeenth Edition
Adjunct of the standard published on 1.2.2024
Selected format:Errata 2 to Drill Stem Performance Properties, First Edition
Adjunct of the standard published on 1.9.2024
Selected format:Inspection and Classification of Used Drill Stem Elements, Second Edition
Standard published on 1.10.2020
Selected format:Recommended Practice for Drill Stem Design and Operating Limits, Sixteenth Edition, Includes Errata (2000), Addendum 1 (2009), and Addendum 2 (2009)
Standard published on 1.8.1998
Selected format:Addendum 1 Recommended Practice for Drill Stem Design and Operation Limits (Includes May 2000 Errata)
Adjunct of the standard published on 1.11.2003
Selected format:Addendum 2 to Recommended Practice for Drill Stem Design and Operation Limits
Adjunct of the standard published on 1.9.2009
Selected format:Latest update: 2026-03-13 (Number of items: 2 266 261)
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