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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.
Bulletin on Testing of Oilfield Elastomers - A Tutorial
Standard published on 1.2.1992
Selected format:Testing of Oilfield Elastomers
Standard published on 1.10.2022
Selected format:Metallic Material Limits for API Equipment Used in High Temperature Applications
Standard published on 1.7.2022
Selected format:Guidelines for Design and Manufacture of Surface Wellhead Running, Retrieving and Testing Tools, Clean-out Tools and Wear Bushings
Standard published on 1.2.2020
Selected format:Design Calculations for Pressure-containing Equipment
Standard published on 1.2.2019
Selected format:Chinese Language - SPECIFICATION FOR ROTARY DRILL STEM ELEMENTS *** ISO ADOPTION FROM ISO 10424-1:2004 ***
Standard published on 1.4.2011
Selected format:Russian Language - SPECIFICATION FOR ROTARY DRILL STEM ELEMENTS *** INCLUDES ADDENDUM 1, 2 AND 3 ***
Standard published on 1.2.2019
Selected format:Specification for Rotary Drill Stem Elements
Standard published on 1.8.2009
Selected format:Rotary Drill Stem Elements
Standard published on 1.9.2023
Selected format:Threading and Gauging of Rotary Shouldered Connections
Standard published on 1.9.2023
Selected format:Latest update: 2025-07-11 (Number of items: 2 208 012)
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