API Spec 20A Addendum 1 Addendum to Carbon Steel, Alloy Steel, Stainless Steel, and Nickel Base Alloy Castings for Use in the Petroleum and Natural Gas Industry, 2nd Edition. Amendment by American Petroleum Institute, 09/01/2018
API Std 603 Corrosion-resistant, Bolted Bonnet Gate Valves - Flanged and Butt-welding Ends, Ninth Edition standard by American Petroleum Institute, 09/01/2018
API Guidelines for Right-of-Way Activities Handbook / Manual / Guide by American Petroleum Institute, 2018
API Spec 6FA Errata 2 Errata to Standard for Fire Test for Valves, Fourth Edition Amendment by American Petroleum Institute, 08/01/2018
API RP 505 Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Zone 0, Zone 1, and Zone 2, Second Edition standard by American Petroleum Institute, 08/01/2018
API TR 6MET Metallic Material Limits for Wellhead Equipment Used in High Temperature for API 6A and 17D Applications, Second Edition standard by American Petroleum Institute, 08/01/2018
API Std 19C Measurement of Proppants Used in Hydraulic Fracturing and Gravel-packing Operations, Second Edition, Includes Errata 1 (2020) standard by American Petroleum Institute, 08/01/2018
API Std 619 Datasheets Errata 1 Errata to Datasheets for API Std 619 Amendment by American Petroleum Institute, 08/01/2018
API Spec 10F Cementing Float Equipment, Fourth Edition, Includes Errata 1 (2020) and Errata 2 (2020) standard by American Petroleum Institute, 07/01/2018
API TR 2577 Performance of Full-bore Vortex Meters for Measurement of Liquid Flows, First Edition standard by American Petroleum Institute, 07/01/2018
API Std 17F Errata 1 Errata to Specification for Subsea Production Control Systems, Fourth Edition Amendment by American Petroleum Institute, 07/01/2018
API Spec 6FA Errata 1 Errata to Standard for Fire Test for Valves, Fourth Edition Amendment by American Petroleum Institute, 07/01/2018