We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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.
Drilling and Well Servicing Equipment, Sixth Edition, Includes Errata 1 and 2 (2016), Errata 3 (2017)
Standard published on 30.12.2015
Selected format:Errata to Specification for Drilling and Well Servicing Equipment, Sixth Edition
Adjunct of the standard published on 1.5.2016
Selected format:Errata to Specification for Drilling and Well Servicing Equipment, Sixth Edition
Adjunct of the standard published on 1.8.2016
Selected format:Errata 3 to Specification for Drilling and Well Servicing Equipment, Sixth Edition
Adjunct of the standard published on 1.10.2017
Selected format:Procedures for Inspection, Maintenance, Repair, and Remanufacture of Drilling Equipment, 1st Edition
Standard published on 1.12.1995
Selected format:Specification for Drill String Non-return Valves, First Edition, Includes Addendum 1 (2019) HISTORICAL
Standard published on 1.7.2006
Selected format:Drill Stem Valves, First Edition, Includes Addendum 1 (2025)
Standard published on 1.4.2024
Selected format:Addendum 1 to Drill Stem Valves, First Edition
Adjunct of the standard published on 1.1.2025
Selected format:Standard Practice for Manual Sampling of Petroleum and Petroleum Products, Sixth Edition
Standard published on 1.9.2022
Selected format:Standard Practice for Automatic Sampling of Petroleum and Petroleum Products, Sixth Edition
Standard published on 1.9.2022
Selected format:Latest update: 2026-06-30 (Number of items: 2 285 193)
© Copyright 2026 NORMSERVIS s.r.o.