API Spec 6A Errata 3 Errata 3 to Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition (ISO 10423:2009 Modification) standard by American Petroleum Institute, 06/01/2013
API MPMS Chapter 14.3 Part 1- Errata Errata for Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids - Concentric, Square-edged Orifice Meters - Part 1: General Equations and Uncertainty Guidelines, Fourth Edition Amendment by American Petroleum Institute, 07/01/2013
API Spec 7F Errata Errata to Oil Field Chain and Sprockets, Eighth Edition Amendment by American Petroleum Institute, 05/01/2013
API Spec 2C Errata Errata for Offshore Pedestal-mounted Cranes Amendment by American Petroleum Institute, 03/01/2013
API Spec 6A Addendum 3 Addendum 3 to Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition (ISO 10423:2009 Modification) Amendment by American Petroleum Institute, 03/01/2013
API Std 650 Errata Errata to Welded Tanks for Oil Storage, Twelfth Edition Amendment by American Petroleum Institute, 07/01/2013
API Spec 6A Errata 4 Errata 4 to Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition (ISO 10423:2009 Modification) standard by American Petroleum Institute, 08/01/2013
API RP 13B-2 Errata Errata to Recommended Practice for Field Testing of Oil-based Drilling Fluids, Fifth Edition Amendment by American Petroleum Institute, 08/01/2014
API RP 13B-1 Errata Errata to Recommended Practice for Field Testing Water-based Drilling Fluids, Fourth Edition (Identical to ISO 10414-1:2008) Amendment by American Petroleum Institute, 08/01/2014
API Std 1104 Errata 3 Errata 3 to Welding of Pipelines and Related Facilities, 21st Edition, Includes Errata 1 (2013), Errata 2 (2014), Errata 3 (2014), and Addendum 1 (2014) Amendment by American Petroleum Institute, 07/01/2014
API Spec 20C Addendum 1 Closed Die Forgings for Use in the Petroleum and Natural Gas Industry, First Edition Amendment by American Petroleum Institute, 07/01/2014
API Spec 13A Errata Errata for Specification for Drilling Fluid Materials, Eighteenth Edition standard by American Petroleum Institute, 08/01/2014