API 617 Errata Errata - Axial and Centrifugal Compressors and Expander-compressors for Petroleum, Chemical and Gas Industry Services, Seventh Edition Amendment by American Petroleum Institute, 06/01/2003
API RP 7G Addendum 1 Addendum 1 Recommended Practice for Drill Stem Design and Operation Limits (Includes May 2000 Errata) Amendment by American Petroleum Institute, 11/01/2003
API 673 Errata Centrifugal Fans for Petroleum, Chemical and Gas Industry Services - Errata standard by American Petroleum Institute, 10/31/2002
API 11AX Errata Errata to Specification for Subsurface Sucker Rod Pumps and Fittings, Eleventh Edition standard by American Petroleum Institute, 06/01/2002
API RP 19B Errata Recommended Practices for Evaluation of Well Perforators Amendment by American Petroleum Institute, 09/28/2001
API 530E Calculation of Heater Tube Thickness in Petroleum Refineries ISO 13704:2001 (E), Petroleum and natural gas industries-Calculation of heater tube thick-ness in petroleum refineries, Fifth Edition, Errata Amendment by American Petroleum Institute, 03/01/2004
API RP 5B Addendum 1 Specification for Threading, Gauging, and Thread Inspection of Casing, Tubing, and Line Pipe Threads (US Customary Units) (Includes 1998 Errata) Amendment by American Petroleum Institute, 03/01/2004
API RP 8B Addendum 2 Recommended Practice for Procedures for Inspections, Maintenance, Repair and Remanufacture of Hoisting Equipment, Addendum Amendment by American Petroleum Institute, 04/01/2005
API Spec 10A Addendum 1 Specification for Cements and Materials for Well Cementing, Addendum 1. Amendment by American Petroleum Institute, 01/01/2005
API Spec 7 Addendum 1 Specification for Rotary Drill Stem Elements, Fortieth Edition, 2004 Addendum Amendment by American Petroleum Institute, 08/01/2004
API RP 4G Errata Errata for Recommended Practice for Use and Procedures for Inspection, Maintenance, and Repair of Drilling and Well Servicing Structures Amendment by American Petroleum Institute, 06/01/2004
API RP 4G Errata 2 Errata for Recommended Practice for Use and Procedures for Inspection, Maintenance, and Repair of Drilling and Well Servicing Structures Amendment by American Petroleum Institute, 04/01/2005