Specification for Drilling-Fluid Materials, Sixteenth Edition and ISO 13500:1998 (Modified) Petroleum and Natural Gas Industries – Drilling Fluid Materials-Specification and Tests
standard by American Petroleum Institute, 02/01/2004

Refinery Valves and Accessories for Control and Safety Instrumented Systems, Second Edition
standard by American Petroleum Institute, 10/01/2012

Sizing, Selection, and Installation of Pressure-Relieving Devices in Refineries-Part II, Installation
standard by American Petroleum Institute, 08/01/2003

Specification for Line Pipe, Thirty-seventh Edition
standard by American Petroleum Institute, 05/31/1988

Recommended Practice for Well Control Operations, Second Edition
standard by American Petroleum Institute, 05/01/2006

Offshore Structure Standards Set (API 2A-WSD, 2MET, 2GEO, 2EQ, and 2SIM)
standard by American Petroleum Institute, 11/01/2014

Planning, Designing and Constructing Fixed Offshore Platforms – Working Stress Design – Includes Supplement 2
standard by American Petroleum Institute, 12/01/2000

Safe Work in Inert Confined Spaces in the Petroleum and Petrochemical Industries, Fifth Edition
standard by American Petroleum Institute, 07/01/2017

Metal Plug Valves – Flanged and Welding Ends
standard by American Petroleum Institute, 11/01/1994

Recommended Practice for Flexible Pipe, Fourth Edition (ISO 13628-11:2007, Identical) (Includes Technical Corrigendum 1)
standard by American Petroleum Institute, 07/01/2008