Metal Plug Valves-Flanged, Threaded and Welding Ends, Sixth Editionstandard by American Petroleum Institute, 10/01/2007

Addendum 1 to Welding of Pipelines and Related Facilities, 21st EditionAmendment by American Petroleum Institute, 07/01/2014

Specification for Drilling and Well Servicing Equipment, Fourth Edition (Includes current amendments)standard by American Petroleum Institute, 06/01/2005

Errata to Specification for Wellhead and Tree Equipment, Twenty-First EditionAmendment by American Petroleum Institute, 04/01/2019

Oil Field V-Beltingstandard by American Petroleum Institute, 01/01/1995

Errata 2 to Specification for Pipelineand Piping Valves, Twenty-Fourth EditionAmendment by American Petroleum Institute, 12/01/2014

Design, Materials, Fabrication, Operation, and Inspection Guidelines for Corrosion Control in Hydroprocessing Reactor Effluent Air Cooler (REAC) Systems, Third Editionstandard by American

Errata for Specification for Pipelineand Piping Valves, Twenty-Fourth Edition. Includes Errata 1 (2014), Errata 2 (2014), Errata 3 (2015), and Errata 4

Addendum 1 to Recommended Practice for Pipeline Operator Qualification, Second EditionAmendment by American Petroleum Institute, 01/01/2013

Reconciliation of Liquid Pipeline Quantitiesstandard by American Petroleum Institute, 12/01/2003

Errata to Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe Threads, Sixteenth Edition, Includes Errata 1 (2018) and Errata 2

Errata 4 to Design and Operation of Subsea Production Systems-Subsea Wellhead and Tree Equipment, Second Edition; ISO 13628-4 (Identical), Design and operation