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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 to Field Testing Water-based Drilling Fluids, Fifth Edition
Adjunct of the standard published on 1.1.2023
Selected format:Field Testing Nonaqueous-based Drilling Fluids, Sixth Edition, Includes Addendum 1 (2025) and Errata 1 (2025)
Standard published on 1.7.2023
Selected format:Addendum 1 to Field Testing Nonaqueous-based Drilling Fluids, Sixth Edition
Adjunct of the standard published on 1.4.2025
Selected format:Errata 1 to Field Testing Nonaqueous-based Drilling Fluids, Sixth Edition
Adjunct of the standard published on 1.10.2025
Selected format:Practica Recomendada Procedimiento Estandar para las Pruebas de Campo con Fluidos de Perforacion de Base Aceite - 1991 edicion
Standard published on 1.12.1991
Selected format:Practica Recomendada Procedimiento Estandar para las Pruebas de Campo con Fluidos de Perforacion de Base Aceite - 1991 edicion
Adjunct of the standard published on 1.3.1996
Selected format:Drilling-fluid Processing Systems Evaluation, Sixth Edition
Standard published on 1.12.2023
Selected format:Rheology and Hydraulics of Oil-well Drilling Fluids, Seventh Edition
Standard published on 1.9.2017
Selected format:Drilling Mud Report Form
Standard published on 1.12.1991
Selected format:Laboratory Testing of Drilling Fluids, Ninth Edition, Includes Addendum 1 (2023)
Standard published on 30.11.2020
Selected format:Latest update: 2025-12-20 (Number of items: 2 252 706)
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