Sizing, Selection, and Installation of Pressure-relieving Devices in Refineries, Part I – Sizing and Selection, Eighth Edition
standard by American Petroleum Institute, 12/01/2008

Specification for Quality Management System Requirements for Manufacturing Organizations for the Petroleum and Natural Gas Industry, Ninth Edition, Includes Errata (2014), Errata 2 (2014), Errata 3 (2019), Addendum 1 (2016) and Addendum 2 (2018) (Addendums Available in English Only)
standard by American Petroleum Institute, 06/01/2013

A Naturally Occuring Radioactive Material (NORM) Disposal Cost Study
standard by American Petroleum Institute, 11/01/1996

Recommended Practice for Reconditioning of Metallic Gate, Globe, and Check Valves
standard by American Petroleum Institute, 03/01/2001

Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Seventh Edition, Includes Errata (2009)
standard by American Petroleum Institute, 06/01/2005

The Technical Basis Document for API RP 941, First Edition, Includes Addendum 1 (2019)
standard by American Petroleum Institute, 09/01/2008

Inspections, Maintenance, Repair and Remanufacture of Hoisting Equipment
standard by American Petroleum Institute, 03/01/2002

Inspection of Pressure Vessels, Fourth Edition
standard by American Petroleum Institute, 12/01/2016

General Purpose Gear Units for Petroleum, Chemical and Gas Industry Services
standard by American Petroleum Institute, 07/01/1997

Recommended Practice 85, Use of Subsea Wet-gas Flowmeters in Allocation Measurement Systems
standard by American Petroleum Institute, 08/01/2003