API Spec 11E Errata 2 Errata for Specifications for Pumping Units, Eighteenth Edition Amendment by American Petroleum Institute, 07/01/2009
API Std 600 Errata 1 Errata 1 to Steel Gate Valves - Flanged and Butt-welding Ends, Bolted Bonnets, Twelfth Edition Amendment by American Petroleum Institute, 11/01/2009
API RP 2RD Errata Errata for Design of Risers for Floating Production Systems (FPSs) and Tension-Leg Platforms (TLPs) Amendment by American Petroleum Institute, 06/10/2009
API 6A Errata 5 Errata 5 for Specification for Wellhead and Christmas Tree Equipment Amendment by American Petroleum Institute, 05/01/2009
API RP 5UE Addendum 1 Addenndum 1 to Recommended Practice for Ultrasonic Evaluation of Pipe Imperfections, Second Edition Amendment by American Petroleum Institute, 04/01/2009
API Std 618 Errata 1 Errata 1 for Reciprocating Compressors for Petroleum, Chemical, and Gas Industry Services, Fifth Edition Amendment by American Petroleum Institute, 11/01/2009
API MPMS Chapter 2.2E Errata Errata to API Manual of Petroleum Measurement Standards, Chapter 2.2E, Petroleum and Liquid Petroleum Products-Calibration of Horizontal Cylindrical Tanks-Part 1: Manual Methods, First Edition Amendment by American Petroleum Institute, 11/11/2009
API Std 6A718 Errata Errata to Nickel Base Alloy 718 (UNS N07718) for Oil and Gas Drilling and Production Equipment, Second Edition Amendment by American Petroleum Institute, 04/01/2010
API RP 934-A Addendum 1 Addendum 1 to Materials and Fabrication of 2 1/4Cr-1Mo, 2 1/4Cr-1Mo-1/4V, 3Cr-1Mo, and 3Cr-1Mo-1/4V Steel Heavy Wall Pressure Vessels for High-temperature, High-pressure Hydrogen Service, Second Edition Amendment by American Petroleum Institute, 02/01/2010
API RP 5A5 Errata Errata to Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Seventh Edition Amendment by American Petroleum Institute, 12/01/2009
API RP 2N Errata Errata for Recommended Practice for Planning, Designing and Constructing Structures and Pipelines for Arctic Conditions Amendment by American Petroleum Institute, 12/01/2009
API Spec 5L Addendum 2 Addendum 2 to Specification for Line Pipe, Forty-fourth Edition Amendment by American Petroleum Institute, 04/01/2010