API MPMS Chapter 7 Addendum 1 Addendum 1 to Manual of Petroleum Measurement Standards- Chapter 7-Temperature Determination (R2007) Amendment by American Petroleum Institute, 10/01/2011
API Spec 6DSS Errata 2 Errata 2 (Includes Errata 1) to Specification for Subsea Pipeline Valves, Second Edition (ISO 14723:2009 Identical Adoption) Amendment by American Petroleum Institute, 11/01/2010
API MPMS Chapter 11.5 Errata Errata to API Manual of Petroleum Measurement Standards Chapter 11.5 (Parts 1 to 3), Densite/Weight/Volume Intraconversion, First Edition (single-user license) (Errata Updated, September 2013) Amendment by American Petroleum Institute, 09/01/2011
API MPMS Chapter 11.4 Part 1 Errata Errata to Density of Water and Water Volume Correction Factors for Calibration of Volumetric Provers Amendment by American Petroleum Institute, 09/01/2011
API Spec 5CRA Errata Errata to Specification for Corrosion Resistant Alloy Seamless Tubes for Use as Casing, Tubing and Coupling Stock, First Edition, Includes Errata (August, 2011) Amendment by American Petroleum Institute, 08/02/2011
API RP 1109 Errata Errata for Marking Liquid Petroleum Pipeline Facilities, Fourth Edition Amendment by American Petroleum Institute, 11/01/2010
API Spec 6D Errata 5 Errata 5 (Includes Errata 1, 2, 3, 4) to Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007) Amendment by American Petroleum Institute, 11/01/2010
API Spec 11B Errata 2 Errata 2 to Specification for Sucker Rods, Polished Rods and Liners, Couplings, Sinker Bars, Polished Rod Clamps, Stuffing Boxes, and Pumping Tees Amendment by American Petroleum Institute, 02/01/2011
API Spec 6A Errata 1 Errata to Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition (ISO 10423:2009 Modification) standard by American Petroleum Institute, 01/01/2011
API RP 17A Addendum 1 Design and Operation of Subsea Production Systems-General Requirements and Recommendations, Fourth Edition, Addendum 1 (2010) Amendment by American Petroleum Institute, 12/01/2010
API Spec 7-2 Addendum 1 Addendum 1 to Specification for Threading and Gauging of Rotary Shouldered Thread Connections, First Edition (previously covered in Spec 7) Amendment by American Petroleum Institute, 12/01/2010
API Spec 6A Errata 2 Errata 2 to Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition (ISO 10423:2009 Modification) standard by American Petroleum Institute, 11/01/2011