API MPMS Chapter 22.4 Errata 1 Errata 1 to Testing Protocol for Pressure, Differential Pressure, and Temperature Measuring Devices, First Edition Amendment by American Petroleum Institute, 11/01/2022
API MPMS Chapter 10.1 Standard Test Method for Sediment in Crude Oils and Fuel Oils by the Extraction Method, Fourth Edition Handbook / Manual / Guide by American Petroleum Institute, 11/01/2022
API BULLETIN 4565 Species and Habitat Conservation -- Industry Fundamentals standard by American Petroleum Institute, 11/01/2022
API RP 1171 Functional Integrity of Natural Gas Storage in Depleted Hydrocarbon Reservoirs and Aquifer Reservoirs, Second Edition standard by American Petroleum Institute, 11/01/2022
API Spec 16RCD Errata 1 Errata 1 to Specification for Rotating Control Devices, Third Edition Amendment by American Petroleum Institute, 11/01/2022
API Std 521 Errata 1 Errata 1 to Pressure-relieving and Depressuring Systems, Seventh Edition Amendment by American Petroleum Institute, 11/01/2022
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 Spec 16RCD Addendum 1 Addendum 1 to Specification for Rotating Control Devices, Third Edition Amendment by American Petroleum Institute, 10/01/2022
API RP 6J Testing of Oilfield Elastomers, Second Edition standard by American Petroleum Institute, 10/01/2022
API RP 15TL4 Recommended Practice for Care and Use of Fiberglass Tubulars, Third Edition standard by American Petroleum Institute, 10/01/2022
API RP 621 Reconditioning of Metallic Gate, Globe, and Check Valves, Fifth Edition standard by American Petroleum Institute, 10/01/2022
API Spec 11E Specifications for Pumping Units, Twentieth Edition standard by American Petroleum Institute, 10/01/2022