Specification for Subsurface Barrier Valves and Related Equipment, First Edition (ISO 28781:2010 (Modified), Petroleum and natural gas industries--Drilling and production equipment-Subsurface barrier

API Specification 17E, Specification for Subsea Umbilicals - ISO 13628-5: 2002 Petroleum and natural gas industries - Design and operation of subsea

Use of 9CR-1Mo-V (Grade 91) Steel in the Oil Refining Industry, First Editionstandard by American Petroleum Institute, 06/01/2008

Welding Pipe Lines and Related Facilities, 14th Editionstandard by American Petroleum Institute, 01/01/1977

Errata to Technical Report on Capabilities of API Integral Flanges under Combination of Loading-Phase II, Fifth EditionAmendment by American Petroleum Institute, 11/01/2018

Refractory Installation Quality Control-Inspection and Testing Monolithic Refractory Linings and Materials, Fourth Editionstandard by American Petroleum Institute, 06/01/2014

Welded Steel Tanks for Oil Storage, 10th Editionstandard by American Petroleum Institute, 11/01/1998

Managed Pressure Drilling Operations with Surface Back-pressure, First Edition, Includes Errata (2017)standard by American Petroleum Institute, 09/01/2017

Errata for Calculation of Heater-tube Thickness in Petroleum Refineries, Sixth Edition (ISO 13704:2007, Identical)Amendment by American Petroleum Institute, 01/01/2009

Datasheets for API Std 612Data Sheet by American Petroleum Institute,

Design and Construction of Large, Welded, Low-Pressure Storage Tanks, Eleventh Edition, Includes Addendum 1 (2009), Addendum 2 (2010), and Addendum 3 (2012)standard

Addendum 1 Recommended Practice for Drill Stem Design and Operation Limits (Includes May 2000 Errata)Amendment by American Petroleum Institute, 11/01/2003