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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.
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:Safe Use of 2-inch Hammer Unions for Oilfield Applications, First Edition, Includes Errata (2014)
Standard published on 1.5.2009
Selected format:Errata for Safe Use of 2-inch Hammer Unions for Oilfield Applications, First Edition
Adjunct of the standard published on 1.2.2014
Selected format:Oilfield Hammer Unions, First Edition, Includes Errata 1 (2022)
Standard published on 1.3.2022
Selected format:Errata to Oilfield Hammer Unions, First Edition
Adjunct of the standard published on 1.3.2022
Selected format:Latest update: 2026-06-30 (Number of items: 2 285 193)
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