API Bull E2 Bulletin E2, Bulletin on Management of Naturally Occurring Radioactive Materials (NORM) in Oil and Gas Production, Second Edition standard by American Petroleum Institute, 03/01/2006
API Human Factors Tool Human Factors Tool for Existing Operations standard by American Petroleum Institute, 03/01/2006
API Spec 7 Addendum 2 Specification for Rotary Drill Stem Elements, Fortieth Edition, March 2006 Addendum Amendment by American Petroleum Institute, 03/01/2006
API RP 5C6 (R2012) Welding Connections to Pipe, Second Edition standard by American Petroleum Institute, 03/01/2006
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 Spec 7-1 (R2020) Specification for Rotary Drill Stem Elements, First Edition -- Identical to ISO 10424-1:2004, Includes Addendum 1 (2007), Addendum 2 (2009), Addendum 3 (2011), Addendum 4 (2019), and Errata 1 (2020) standard by American Petroleum Institute, 02/01/2006
API Std 661 Air-Cooled Heat Exchangers for General Refinery Services, Sixth Edition - Adoption of ISO 13706-1:2005 standard by American Petroleum Institute, 02/01/2006
API Std 662 Part 2 (R2011) [ Withdrawn ] Plate Heat Exchangers for General Refinery Services - Part 2 - Brazed Alumninum Plate-fin Heat Exchangers First Edition - ISO Adoption from ISO 15547-2:2005 standard by American Petroleum Institute, 02/01/2006
API Std 662 Part 1 (R2011) Plate Heat Exchangers for General Refinery Services - Part 1 - Plate-and-Frame Heat Exchangers, First Edition - ISO Adoption from ISO 15547-1:2005 standard by American Petroleum Institute, 02/01/2006
API RP 6DR Repair and Remanufacture of Pipeline Valves, First Edition standard by American Petroleum Institute, 02/01/2006
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API RP 5SI (R2012) [ Withdrawn ] Recommended Practice for Purchaser Representative Surveillance and/or Inspection at the Supplier, First Edition standard by American Petroleum Institute, 01/01/2006