Recommended Practice for Field Testing Water-Based Drilling Fluids, Third Edition
standard by American Petroleum Institute, 11/01/2003

Process Measurement Instrumentation
standard by American Petroleum Institute, 05/01/1993

Recommended Practices on Measuring the Viscous Properties of a Cross-Linked Water-Based Fracturing Fluid
standard by American Petroleum Institute, 05/01/1998

Metallic Material Limits for Wellhead Equipment Used in High Temperature for API 6A and 17D Applications, First Edition
standard by American Petroleum Institute, 10/01/2010

Specification for Quality Programs for the Petroleum and Natural Gas Industry
standard by American Petroleum Institute, 03/01/1999

Axial and Centrifugal Compressors and Expander-compressors, Eighth Edition, Includes Errata 1 (2016)
standard by American Petroleum Institute, 09/01/2014

Design and Construction of LP-Gas Installations at Marine and Pipeline Terminals, Natural Gas Processing Plants, Refineries, Petrochemical Plants, and Tank Farms, 4th Edition
standard by American Petroleum Institute, 12/01/1978

Seismic Design Procedures and Criteria for Offshore Structures, First Edition, Includes Addendum 1
standard by American Petroleum Institute, 11/01/2014

Managing System Integrity for Hazardous Liquid Pipelines
standard by American Petroleum Institute, 11/01/2001

Specification for Subsurface Barrier Valves and Related Equipment, First Edition (ISO 28781:2010 (Modified), Petroleum and natural gas industries–Drilling and production equipment-Subsurface barrier valves and related equipment)
standard by American Petroleum Institute, 05/01/2013