Recommended Practice for Measurement of Proppants Used in Hydraulic Fracturing and Gravel-packing Operations, First Edition (ISO 13503-2:2006, Identical)
standard by American Petroleum Institute, 05/01/2008

Specification for Unbonded Flexible Pipe
standard by American Petroleum Institute, 11/01/1999

Recommended Practice for Operation and Maintenance of Offshore Cranes
standard by American Petroleum Institute, 08/01/1999

Fighting Fires in and Around Flammable and Combustible Liquid Atmospheric Petroleum Storage Tanks
standard by American Petroleum Institute, 01/01/1991

Specification for Casing and Tubing (U.S. Customary Units)
standard by American Petroleum Institute, 11/01/1998

Use of Duplex Stainless Steels in Hydroprocessing Reactor Effluent Air Coolers (REACs)
standard by American Petroleum Institute, 08/01/2022

Manual of Petroleum Measurement Standards Chapter 14.13 Simplified Metering System Design and Performance-based Methodology for Non-custody Gas Measurement, First Edition
Handbook / Manual / Guide by American Petroleum Institute, 10/01/2022

Design and Construction of Large, Welded, Low-Pressure Storage Tanks, Tenth Edition (with Addenda June 2004 Addenda)
standard by American Petroleum Institute, 03/01/2002

Flow Measurement Using Electronic Metering Systems – Section 1: Electronic Gas Measurement
Handbook / Manual / Guide by American Petroleum Institute, 08/01/1993

Natural Gas Fluids Measurement: Concentric, Square-Edged Orifice Meters – Part 2: Specification and Installation Requirements
Handbook / Manual / Guide by American Petroleum Institute, 04/30/2000