Manual of Petroleum Measurement Standards Chapter 9 – Density Determination – Section 3 – Standard Test Method for Density, Relative Density, and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method
Handbook / Manual / Guide by American Petroleum Institute, 11/01/2002

Summary of U.S. Occupational Injuries, Illnesses, and Fatalities in the Petroleum Industry, 1996
standard by American Petroleum Institute, 06/01/1997

2005 Survey on Petroleum Industry Occupational Injuries, Illnesses, and Fatalities Summary Report: Aggregate Data Only
Report / Survey by American Petroleum Institute, 06/01/2006

Modeling Study of Produced Water Release Scenarios
standard by American Petroleum Institute, 01/01/2005

Proceedings of the 1995 API and GRI Naturally Occurring Radioactive Material (NORM) Conference
standard by American Petroleum Institute, 11/01/1997

Errata for Marine Operations, Petroleum and natural gas industries-Specifc requirements for offshore structures-Part 6: Marine Operations, First Edition, Includes Errata (2015)
Amendment by American Petroleum Institute, 04/01/2015

Instrumentation, Control, and Protective Systems for Gas Fired Heaters, Second Edition
standard by American Petroleum Institute, 04/01/2011

Recommended Practice Welding Guidelines for the Chemical, Oil, and Gas Industries, Third Edition
standard by American Petroleum Institute, 05/01/2016

Contractor Safety Management for Oil and Gas Drilling and Production Operations, Second Edition
standard by American Petroleum Institute, 11/01/2007

Prevention of Brittle Fracture of Pressure Vessels – WITHDRAWN, No replacement
standard by American Petroleum Institute, 03/01/1990

Errata for Specifications for Pumping Units, Eighteenth Edition
Amendment by American Petroleum Institute, 03/01/2009

Offshore Pedestal-mounted Cranes, Includes Errata (2013)
standard by American Petroleum Institute, 03/01/2012