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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.
Addendum to Recommended Practice on Determining the Static Gel Strength of Cement Formulations, First Edition
Adjunct of the standard published on 1.1.2020
Selected format:Casing Bow-spring Centralizers, Seventh Edition
Standard published on 1.3.2021
Selected format:Centralizer Placement and Stop-collar Testing, Second Edition
Standard published on 1.8.2023
Selected format:Cementing Float Equipment, Fourth Edition, Includes Errata 1 (2020) and Errata 2 (2020)
Standard published on 1.7.2018
Selected format:Errata to Cementing Float Equipment, Fourth Edition
Adjunct of the standard published on 1.5.2020
Selected format:Errata to Cementing Float Equipment, Fourth Edition
Adjunct of the standard published on 1.6.2020
Selected format:Product Evaluation, Application, and Testing of Stage Cementing Collars, First Edition
Standard published on 1.8.2020
Selected format:Cement Sheath Evaluation, Second Edition
Standard published on 1.9.2008
Selected format:Shrinkage and Expansion in Oilwell Cements, First Edition
Standard published on 1.7.1997
Selected format:Temperatures for API Cement Operating Thickening Time Tests - 1993 Report from the API Task Group on Cementing Temperature Schedules
Standard published on 1.5.1999
Selected format:Latest update: 2025-12-16 (Number of items: 2 252 193)
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