Specifications for Pumping Units, Eighteenth Edition, Includes Errata (2009)
standard by American Petroleum Institute, 11/01/2008

Specifications for Pumping Units, Nineteenth Edition, Includes Errata 1 (2015) and Addendum 1 (2018)
standard by American Petroleum Institute, 11/01/2013

Specifications for Pumping Units
standard by American Petroleum Institute, 01/01/1994

Specification for Independent Wellhead Equipment
standard by American Petroleum Institute, 06/01/2000

Electric Motor Prime Mover for Beam Pumping Unit Service
standard by American Petroleum Institute, 06/01/1993

Plunger Lift Lubricators and Related Equipment, First Edition
standard by American Petroleum Institute, 06/01/2019

Specification for Gas Lift Valves, Orifices, Reverse Flow Valves, and Dummy Valves
standard by American Petroleum Institute, 02/01/1995

Specification for Bolted Tanks for Storage of Production Liquids, Sixteenth Edition
standard by American Petroleum Institute, 11/01/2014

Specification for Bolted Tanks for Storage of Production Liquids, Fifteenth Edition
standard by American Petroleum Institute, 10/01/2008

Specification for Field Welded Tanks for Storage of Production Liquids
standard by American Petroleum Institute, 11/01/1994