API Std 650 Errata 1 Errata to Welded Tanks for Oil Storage, Thirteenth Edition Amendment by American Petroleum Institute, 01/01/2021
API Spec 15HR Errata 2 Errata to High-pressure Fiberglass Line Pipe, Fourth Edition Amendment by American Petroleum Institute, 01/01/2021
API MPMS Chapter 3.1A Errata 1 Errata to Standard Practice for the Manual Gauging of Petroleum and Petroleum Products, Third Edition Amendment by American Petroleum Institute, 01/01/2021
API MPMS Chapter 2.2D Errata 1 Errata to Calibration of Upright Cylindrical Tanks Using the Internal Electro-optical Distance Ranging Method, First Edition Amendment by American Petroleum Institute, 01/01/2021
API Spec 5CT Addendum 1 Addendum to Casing and Tubing, Tenth Edition Amendment by American Petroleum Institute, 01/01/2021
API Spec 5B Addendum 3 Addendum to Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe Threads, Sixteenth Edition Amendment by American Petroleum Institute, 01/01/2021
API RP 97L Onshore Well Construction Interface Document, First Edition standard by American Petroleum Institute, 12/01/2020
API RP 13I Laboratory Testing of Drilling Fluids, Ninth Edition standard by American Petroleum Institute, 12/01/2020
API Spec 12B Specification for Bolted Tanks for Storage of Production Liquids, Seventeenth Edition standard by American Petroleum Institute, 12/01/2020
API MPMS Chapter 11.2.5 A Simplified Vapor Pressure Correlation for Commercial NGLs, Second Edition Handbook / Manual / Guide by American Petroleum Institute, 12/01/2020
API Std 612 Petroleum, Petrochemical, and Natural Gas Industries - Steam Turbines - Special-purpose Applications, Eighth Edition standard by American Petroleum Institute, 11/01/2020
API Spec 20F Errata 1 Errata to Corrosion Resistant Bolting for Use in the Petroleum and Natural Gas Industries, Second Edition Amendment by American Petroleum Institute, 11/01/2020