Valve Inspection and Testing, Tenth Edition
standard by American Petroleum Institute, 10/01/2016

Addendum 1 to Specification for Drill Through Equipment, Fourth Edition
Amendment by American Petroleum Institute, 10/01/2017

Data sheets for API Std 541
standard by American Petroleum Institute, 12/08/2014

CRA Clad or Lined Steel Pipe, Third Edition
standard by American Petroleum Institute, 03/01/2009

Recommended Practice, Standard Procedure for Laboratory Testing Drilling Fluids
standard by American Petroleum Institute, 06/01/1995

Recommended Practice for Installation and Lubrication of Pumping Units
standard by American Petroleum Institute, 11/01/1994

Attributes of Production Chemicals in Subsea Production Systems, First Edition
standard by American Petroleum Institute, 03/01/2012

Type Testing of Process Valve Packing for Fugitive Emissions, Third Edition
standard by American Petroleum Institute, 10/01/2018

Specification for Low Pressure Fiberglass Line Pipe
standard by American Petroleum Institute, 08/01/2001

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

Repairing Crude Oil, Liquefied Petroleum Gas, and Product Pipelines, Third Edition
standard by American Petroleum Institute, 05/01/1994

Requirements for Safe Entry and Cleaning of Petroleum Storage Tanks, Eighth Edition
standard by American Petroleum Institute, 01/01/2018