Recommended Practice for Source Inspection and Quality Surveillance of Fixed Equipment, First Edition
standard by American Petroleum Institute, 07/01/2019

Recommended Practice for Well Control Operations, Second Edition
standard by American Petroleum Institute, 05/01/2006

API Recommended Practice 591, Process Valve Qualification Procedure, Third Edition
standard by American Petroleum Institute, 09/12/2003

Process Valve Qualification Procedure, Fourth Edition
standard by American Petroleum Institute, 12/01/2008

Process Valve Qualification Procedure, Sixth Edition
standard by American Petroleum Institute, 04/01/2019

Process Valve Qualification Procedure, Fifth Edition
standard by American Petroleum Institute, 02/01/2014

API Recommended Practice 5A3, Recommended Practice on Thread Compounds for Casing, Tubing and Line Pipe, Second Edition / ISO 13678:2000 Petroleum and natural gas industries – Evaluation and testing of thread compounds for use with casing, tubing and line pipe
standard by American Petroleum Institute, 07/01/2003

Recommended Practice on Thread Compounds for Casing, Tubing, Line Pipe, and Drill Stem Elements, Third Edition (ISO 13678:2009 Identical Adoption), Includes Errata (2011)
standard by American Petroleum Institute, 11/01/2009

Recommended Practice on Thread Compounds for Casing, Tubing, and Line Pipe
standard by American Petroleum Institute, 06/01/1996

Recommended Practice for Field Inspection of New Casing, Tubing, and Plain End Drill Pipe – Includes April 15, 1999 Supplement
standard by American Petroleum Institute, 12/01/1997