Collecting and Handling of Natural Gas Samples for Custody Transfer
Handbook / Manual / Guide by American Petroleum Institute, 08/01/1993

Axial and Centrifugal Compressors and Expander-compressors for Petroleum, Chemical and Gas Industry Services, Seventh Edition
standard by American Petroleum Institute, 07/01/2002

Diverter Equipment Systems, Third Edition, Includes Addendum 1 (2018)
standard by American Petroleum Institute, 08/01/2017

API Recommended Practice 580, Risk-Based Inspection, First Edition
standard by American Petroleum Institute, 05/01/2002

Design and Installation of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class I, Zone 0, Zone 1 and Zone 2 Locations
standard by American Petroleum Institute, 09/01/2001

Natural Gas Fluids Measurement: Concentric, Square-Edged Orifice Meters – Part 4: Background, Development, Implementation, Procedures and Subroutine Documentation
Handbook / Manual / Guide by American Petroleum Institute, 11/01/1992

Static Temperature Determination Using Portable Electronic Thermometers
Handbook / Manual / Guide by American Petroleum Institute, 07/01/1985

Cementing Shallow Water Flow Zones in Deep Water Wells, First Edition
standard by American Petroleum Institute, 09/01/2002

Recommended Practice for Subsea Capping Stacks, First Edition
standard by American Petroleum Institute, 07/01/2014

Specification for Line Pipe, Twentieth Edition Includes Errata
standard by American Petroleum Institute, 03/01/1963