API 2220

Improving Owner and Contractor Safety Performance
standard by American Petroleum Institute, 09/01/1991

API 8A Addendum 1

Addendum 1 – Specification for Drilling and Production Hoisting Equipment
Amendment by American Petroleum Institute, 05/01/2001

API 672 Errata 2

Errata 2 for Packaged, Integrally Geared Centrifugal Air Compressors for Petroleum, Chemical, and Gas Industry Services
Amendment by American Petroleum Institute, 07/01/2010

API RP 941

Steels for Hydrogen Service at Elevated Temperatures and Pressures in Petroleum Refineries and Petrochemical Plants, Seventh Edition
standard by American Petroleum Institute, 08/01/2008

API RP 682

Pumps – Shaft Sealing Systems for Centrifugal and Rotary Pumps, Second Edition
standard by American Petroleum Institute, 07/01/2002

API RP 13K

Recommended Practice for Chemical Analysis of Barite – includes Errata 04/01/1998
standard by American Petroleum Institute, 02/01/1996

API 850

API Standards 620, 650, and 653 Interpretations — Tank Construction and In-Service Inspection – Answers to Technical Inquiries
standard by American Petroleum Institute, 11/01/1997

API RP 932-B

Design, Materials, Fabrication, Operation, and Inspection Guidelines for Corrosion Control in Hydroprocessing Reactor Effluent Air Cooler (REAC) Systems, Third Edition
standard by American Petroleum Institute, 06/01/2019

API RP 1161 Addendum 2

Addendum 1 to Recommended Practice for Pipeline Operator Qualification, Second Edition
Amendment by American Petroleum Institute, 07/01/2013

API Spec 12K

Specification for Indirect-Type Oil Field Heaters, Eighth Edition
standard by American Petroleum Institute, 10/01/2008

API RP 621

Reconditioning of Metallic Gate, Globe, and Check Valves, Fourth Edition
standard by American Petroleum Institute, 10/01/2018