API TR 18TR1 Guidance on Changes to API Q1 (Ninth Edition), First Edition standard by American Petroleum Institute, 06/01/2015
API Spec 13A Errata Errata 1 & 2 for Specification for Drilling Fluid Materials, Eighteenth Edition standard by American Petroleum Institute, 05/01/2015
API Spec 11AX Specification for Subsurface Sucker Rod Pump Assemblies, Components, and Fittings, Thirteenth Edition, Includes Addendum 1 (2019) standard by American Petroleum Institute, 05/01/2015
API Std 602 Gate, Globe, and Check Valves for Sizes DN 100 (NPS 4) and Smaller for the Petroleum and Natural Gas Industries, Tenth Edition, Includes Errata (September 2016) standard by American Petroleum Institute, 05/01/2015
API MPMS Chapter 12.1.1 Errata Errata to EI HM1 Part 1: - Calculation of Static Petroleum Quantities - Upright Cylindrical Tanks and Marine Vessels, Third Edition Amendment by American Petroleum Institute, 05/01/2015
API MPMS Chapter 5.4 Errata Errata to Metering: Accessory Equipment for Liquid Meters Amendment by American Petroleum Institute, 05/01/2015
API Std 674 Errata 2 Errata 2 to API Std 674 Positive Displacement Pumps - Reciprocating, Third Edition Amendment by American Petroleum Institute, 04/01/2015
API RP 2N Planning, Designing and Constructing Structures and Pipelines for Arctic Conditions, Third Edition standard by American Petroleum Institute, 04/01/2015
API Spec 5L Errata 1 Errata for Specification for Line Pipe, Forty-fifth Edition Amendment by American Petroleum Institute, 04/01/2015
API RP 2MOP Errata Errata for Marine Operations, Petroleum and natural gas industries-Specifc requirements for offshore structures-Part 6: Marine Operations, First Edition, Includes Errata (2015) Amendment by American Petroleum Institute, 04/01/2015
API Spec 20A Addendum 2 Addendum 2 (includes Addendum 1) to Carbon Steel, Alloy Steel, Stainless Steel, and Nickel Base Alloy Castings for Use in the Petroleum and Natural Gas Industry, First Edition Amendment by American Petroleum Institute, 04/01/2015
API Spec 11D1 Packers and Bridge Plugs, Third Edition (ISO 14310:2008, Modified Adoption), Includes Errata 1 (2019) standard by American Petroleum Institute, 04/01/2015