API 7L Addendum 2 Addendum 2 for Procedures for Inspection, Maintenance, Repair, and Remanufacture of Drilling Equipment, 1st Edition Amendment by American Petroleum Institute, 04/01/2006
API 6A718 Errata / Addenda Errata / Addenda for Specification of Nickel Base Alloy 718 (UNS N07718) for Oil and Gas Drilling and Production Equipment Amendment by American Petroleum Institute, 03/31/2006
API 7K Addendum 1 Addendum 1 for Specification for Drilling and Well Servicing Equipment, Fourth Edition Amendment by American Petroleum Institute, 02/01/2006
API 7L Addendum 1 Addendum 1 for Procedures for Inspection, Maintenance, Repair, and Remanufacture of Drilling Equipment, 1st Edition Amendment by American Petroleum Institute, 02/01/2006
API 10B Addendum 2 Addendum 2 - Recommended Practice for Testing Well Cements Amendment by American Petroleum Institute, 11/01/2000
API 7K Addendum 2 Addendum 2 for Specification for Drilling and Well Servicing Equipment, Fourth Edition Amendment by American Petroleum Institute, 04/01/2006
API 6A Errata 3 Specification for Wellhead and Christmas Tree Equipment, Errata Amendment by American Petroleum Institute, 06/01/2006
API Spec 7-1 Addendum 1 Addendum 1 to Specification for Rotary Drill Stem Elements, First Edition -- Identical to ISO 10424-1:2004 Amendment by American Petroleum Institute, 03/01/2007
API 12F Errata Errata for Specification for Shop Welded Tanks for Storage of Production Liquids Amendment by American Petroleum Institute, 02/01/2007
API RP 10B-2 Errata 2 Errata for Recommended Practice for Testing Well Cements, First Edition Amendment by American Petroleum Institute, 01/01/2007
API RP 10B-2 Errata 1 Errata for Recommended Practice for Testing Well Cements, First Edition Amendment by American Petroleum Institute, 06/21/2006
API RP 2SM Addendum Addendum to Recommended Practice for Design, Manufacture, Installation, and Maintenance of Synthetic Fiber Ropes for Offshore Mooring Amendment by American Petroleum Institute, 05/01/2007