API RP 13B-1 Errata 2 Errata to Field Testing Water-based Drilling Fluids, Fifth Edition Amendment by American Petroleum Institute, 12/01/2021
API MPMS Chapter 5.6 API Manual of Petroleum Measurement Standards Chapter 5 - Metering, Section 6 - Measurement of Liquid Hydrocarbons by Coriolis Meters, Second Edition Handbook / Manual / Guide by American Petroleum Institute, 12/01/2021
API Spec 20E Errata 1 Errata 1 to Alloy and Carbon Steel Bolting for Use in the Petroleum and Natural Gas Industries, Second Edition Amendment by American Petroleum Institute, 11/04/2021
API Std 975 Refractory Installation Quality Control-Inspection and Testing of Refractory Brick Systems and Materials, First Edition standard by American Petroleum Institute, 11/01/2021
API Spec 20F Addendum 1 Addendum to Corrosion Resistant Bolting for Use in the Petroleum and Natural Gas Industries, Second Edition Amendment by American Petroleum Institute, 11/01/2021
API RP 19D Recommended Practice for Measuring Conductivity of Proppants standard by American Petroleum Institute, 11/01/2021
API RP 1161 Recommended Practice for Pipeline Operator Qualification (OQ), Fifth Edition, Includes Errata 1 (2022) standard by American Petroleum Institute, 11/01/2021
API Spec 6D Specification for Valves, Twenty-Fifth Edition, Includes Errata 1 (2021), Errata 2 (2022), and Addendum 1 (2023) standard by American Petroleum Institute, 11/01/2021
API RP 15SIH Installation and Handling of Spoolable Reinforced Line Pipe, First Edition standard by American Petroleum Institute, 10/01/2021
API MPMS Chapter 20.1 Errata 1 Errata 1 to Allocation Measurement of Oil and Natural Gas: Allocation Measurement Amendment by American Petroleum Institute, 11/01/2022
API MPMS Chapter 8.1 Standard Practice for Manual Sampling of Petroleum and Petroleum Products, Sixth Edition Handbook / Manual / Guide by American Petroleum Institute, 09/01/2022
API MPMS Chapter 8.5 Standard Practice for Manual Piston Cylinder Sampling for Volatile Crude Oils, Condensates, and Liquid Petroleum Products, Second Edition Handbook / Manual / Guide by American Petroleum Institute, 09/01/2022