Offshore Structure Standards Set (API 2A-WSD, 2MET, 2GEO, 2EQ, and 2SIM)
standard by American Petroleum Institute, 11/01/2014

Flow Measurement Using Electronic Metering Systems – Section 1: Electronic Gas Measurement, Second Edition
Handbook / Manual / Guide by American Petroleum Institute, 02/01/2013

Manual of Petroleum Measurement Standards Chapter 9 – Density Determination – Section 4 – Continuous Density Measurement Under Dynamic (Flowing) Conditions, First Edition
Handbook / Manual / Guide by American Petroleum Institute, 01/01/2018

Marine Measurement: Guidelines for Determining the Fullness of Pipelines Between Vessels and Shore Tanks, Second Edition
Handbook / Manual / Guide by American Petroleum Institute, 06/01/2014

Recommended Practice for Pipeline Operator Qualification (OQ), Fifth Edition, Includes Errata 1 (2022)
standard by American Petroleum Institute, 11/01/2021

General-purpose Steam Turbines for Petroleum, Chemical, and Gas Industry Services, Sixth Edition
standard by American Petroleum Institute, 06/01/2022

Recommended Practice for Planning, Designing, and Constructing Floating Production Systems
standard by American Petroleum Institute, 03/01/2001

Manual of Petroleum Measurement Standards, Measurement Uncertainty, Second Edition
Handbook / Manual / Guide by American Petroleum Institute, 12/01/2017

Recommended Practice for Procedures for Inspection, Maintenance, Repair and Remanufacture of Hoisting Equipment
standard by American Petroleum Institute, 12/01/1997

API Recommended Practice 554, Part 2: Process Control Systems – Process Control System Design, First Edition
standard by American Petroleum Institute, 10/01/2008