Determination of Water in Crude Oil by Distillation, Third Edition
Handbook / Manual / Guide by American Petroleum Institute, 08/01/2013

Operator and Mounting Kits for Subsea Pipeline Valves, First Edition, Includes Errata 1 (2021)
standard by American Petroleum Institute, 03/01/2021

Report of Eastern/Western Hemisphere Production of Casing, Tubing, and Drill Pipe
standard by American Petroleum Institute, 11/01/1999

Specifications for Steel and Iron Pipe for Oil Country Tubular Goods, 1st Edition
standard by American Petroleum Institute, 10/20/1924

Engine Oil Licensing and Certification System, 15th Edition ***Historical*** Contact API Directly for Current Edition
standard by American Petroleum Institute, 04/01/2002

Safe Operating Guidelines for Vacuum Trucks in Petroleum Service
standard by American Petroleum Institute, 03/01/1999

Specification for Wellhead and Tree Equipment, Twenty-First Edition, Includes Errata 1 (2019), Errata 2 (2020), Errata 3 (2020), Errata 4 (2021), Addendum 1 (2020), Addendum 2 (2021), and Addendum 3 (2022)
standard by American Petroleum Institute, 10/31/2018

Sour Water Stripping Survey Evaluation
standard by American Petroleum Institute, 06/01/1973

Calculation of Heater Tube Thickness in Petroleum Refineries
standard by American Petroleum Institute, 10/01/1996

Report of Eastern/Western Hemisphere Production of Casing, Tubing, and Drill Pipe
Report / Survey by American Petroleum Institute, 11/01/2005