API Spec 6A Errata 7 Errata 7 to Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition (ISO 10423:2009 Modification) standard by American Petroleum Institute, 12/01/2014
API RP 2D Errata Errata to Operation and Maintenance of Offshore Cranes, Seventh Edition Amendment by American Petroleum Institute, 12/01/2014
API Std 620 Addendum 1 Addendum 1 to Design and Construction of Large, Welded, Low-Pressure Storage Tanks, Twelfth Edition Amendment by American Petroleum Institute, 11/01/2014
API Spec 16F (R2010) Addendum 2 Addendum 2 to Specification for Marine Drilling Riser Equipment, First Edition Amendment by American Petroleum Institute, 11/01/2014
API Spec 20E Errata Errata to Alloy and Carbon Steel Bolting for Use in the Petroleum and Natural Gas Industries, First Edition Amendment by American Petroleum Institute, 10/01/2014
API Spec 19G1 Errata Errata to API Spec 19G1: Side-pocket mandrels Amendment by American Petroleum Institute, 12/01/2014
API Spec 6D Errata 2 Errata 2 to Specification for Pipelineand Piping Valves, Twenty-Fourth Edition Amendment by American Petroleum Institute, 12/01/2014
API MPMS Chapter 10.4 Errata Errata to Determination of Sediment and Water in Crude Oil by the Centrifuge Method (Field Procedure), Fourth Edition Amendment by American Petroleum Institute, 03/01/2015
API MPMS Chapter 4.2 (R2011) Addendum Addendum to MPMS Chapter 4-Proving Systems, Section 2-Displacement Provers, Third Edition Amendment by American Petroleum Institute, 02/01/2015
API Spec 6D Errata 3 Errata 3 to Specification for Pipelineand Piping Valves, Twenty-Fourth Edition Amendment by American Petroleum Institute, 02/01/2015
API Spec 17L1 Errata Errata to Specification for Flexible Pipe Ancillary Equipment, First Edition Amendment by American Petroleum Institute, 01/01/2015
API Spec 6D Addendum 1 Addendum 1 to Specification for Pipelineand Piping Valves, Twenty-Fourth Edition Amendment by American Petroleum Institute, 03/01/2015