Addendum to Recommended Practice for Field Testing of Oil-based Drilling Fluids, Fifth Edition
Amendment by American Petroleum Institute, 08/01/2019

Repairing Hazardous Liquid Pipelines, Fifth Edition
standard by American Petroleum Institute, 09/01/2015

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

Inspection of Pressure-relieving Devices, Fourth Edition
standard by American Petroleum Institute, 04/01/2017

Errata to Packers and Bridge Plugs, Third Edition (ISO 14310:2008, Modified Adoption)
Amendment by American Petroleum Institute, 08/01/2019

Specification for Bolted Tanks for Storage of Production Liquids
standard by American Petroleum Institute, 02/01/1995

Specification for Wellhead and Christmas Tree Equipment, Seventeenth Edition
standard by American Petroleum Institute, 11/01/1999

Specification for Subsea Pipeline Valves, Third Edition, Includes Errata 1 (2018), Errata 2 (2018), and Amendment 1 (2019)
standard by American Petroleum Institute, 08/01/2017

Welding Pipe Lines and Related Facilities, 16th Edition
standard by American Petroleum Institute, 05/01/1983