Recommended Practices for Packaged Combustion Gas Turbines
standard by American Petroleum Institute, 05/01/1992

Operation of Proving Systems
Handbook / Manual / Guide by American Petroleum Institute, 09/01/2013

Centrifugal Fans for Petroleum, Chemical and Gas Industry Services, Second Edition
standard by American Petroleum Institute, 10/01/2002

Recommended Practice for Biological Analysis of Subsurface Injection Waters- WITHDRAWN – No Replacement
standard by American Petroleum Institute, 01/01/1975

Data Files for API MPMS Chapter 11.3.3 and API MPMS Chapter 11.3.4, First Edition
Handbook / Manual / Guide by American Petroleum Institute, 05/01/2019

Specification 11D1, ISO 14310:2001, Petroleum and Natural Gas Industries – Downhole Equipment – Packers and Bridge Plugs, First Edition
standard by American Petroleum Institute, 07/01/2002

Standard on Imperfection Terminology
standard by American Petroleum Institute, 11/01/1996

Natural Attenuation Processes, 1st Edition
Amendment by American Petroleum Institute, 07/01/1996

Guidelines for Avoiding Sulfidation (Sulfidic) Corrosion Failures in Oil Refineries, First Edition
standard by American Petroleum Institute, 05/01/2009

Metal Ball Valves-Flanged, Threaded and Welding Ends, Fifth Edition
standard by American Petroleum Institute, 11/01/2012