Centrifugal Fans for Petroleum, Chemical and Gas Industry Services - Erratastandard by American Petroleum Institute, 10/31/2002

Fatigue TN Curves for Chain, Wire, and Polyester Mooring Lines (including Corrections for High-tension Ranges), First Editionstandard by American Petroleum Institute, 01/01/2020

Example Problem Manual, First EditionHandbook / Manual / Guide by American Petroleum Institute, 08/11/2009

Specification for Subsurface Sucker Rod Pumps and Fittings, Third Editionstandard by American Petroleum Institute, 03/01/1963

Standard Practice for the Manual Gauging of Petroleum and Petroleum Products, Second EditionHandbook / Manual / Guide by American Petroleum Institute, 08/01/2005

Evaporative Loss Measurement, Section 1-Evaporative Loss from Fixed-Roof Tanks, Third Edition, Includes Addendum 1 (2008)Handbook / Manual / Guide by American Petroleum

Testing Protocol for Pressure, Differential Pressure, and Temperature Measuring Devices, First EditionHandbook / Manual / Guide by American Petroleum Institute, 07/01/2018

Specification for Subsurface Sucker Rod Pumps and Fittings, Eighth Editionstandard by American Petroleum Institute, 05/30/1986

Air-Cooled Heat Exchangers for General Refinery Servicesstandard by American Petroleum Institute, 11/01/1997

API Welded Steel Tanks for Oil Storage, 12th Edition, Includes Errata (2013) and Addenda 1 (2014), Addenda 2 (2016), and Addenda 3

Testing Protocols - General Guidelines for Developing Testing Protocols for Devices Used in the Measurement of Hydrocarbon Fluids, First EditionHandbook / Manual

Standard Practice for Level Measurement of Liquid Hydrocarbons in Stationary Pressurized Storage Tanks by Automatic GaugingHandbook / Manual / Guide by American