Recommended Practice 85, Use of Subsea Wet-gas Flowmeters in Allocation Measurement Systems
standard by American Petroleum Institute, 08/01/2003

Recommended Practice for Measurement of Multiphase Flow, First Edition
standard by American Petroleum Institute, 06/01/2005

Recommended Practice for Procedures for Inspection, Maintenance, Repair and Remanufacture of Hoisting Equipment
standard by American Petroleum Institute, 12/01/1997

Inspections, Maintenance, Repair and Remanufacture of Hoisting Equipment
standard by American Petroleum Institute, 03/01/2002

Recommended Practice 90, Annular Casing Pressure Management for Offshore Wells, First Edition
standard by American Petroleum Institute, 08/01/2006

Annular Casing Pressure Management for Onshore Wells, First Edition
standard by American Petroleum Institute, 04/01/2016

Prevention of Brittle Fracture of Pressure Vessels – WITHDRAWN, No replacement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

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

Managed Pressure Drilling Operations – Pressurized Mud Cap Drilling with a Subsea Blowout Preventer, First Edition
standard by American Petroleum Institute, 06/01/2019

Managed Pressure Drilling Operations – Surface Back-pressure with a Subsea Blowout Preventer, First Edition
standard by American Petroleum Institute, 09/01/2018