API 603 : 2018 Corrosion-resistant, Bolted Bonnet Gate Valves—Flanged and Butt-welding Ends American Petroleum Institute
API 602 RUSSIAN : 2015 American Petroleum Institute
API 92S : 2018 Managed Pressure Drilling Operations— Surface Back-pressure with a Subsea Blowout Preventer American Petroleum Institute
API Specification 15PX:2018 Specification for Crosslinked Polyethylene (PEX) Line Pipe American Petroleum Institute
API Standard 2610 :2018 Design, Construction, Operation, Maintenance, and Inspection of Terminal and Tank Facilities American Petroleum Institute
API 19G10 : 2018 Design and Operation of Intermittent Gas-lift Systems American Petroleum Institute
API SPEC 15PX :2018 Specification for Crosslinked Polyethylene (PEX) Line Pipe, First Edition American Petroleum Institute
API 505:2018 API Recommended Practice 505 Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Zone 0, Zone 1,and Zone 2 American Petroleum Institute
API TR 6MET : 2018 Metallic Material Limits for Wellhead Equipment Used in High Temperature for API 6A and 17D Applications, Second Edition American Petroleum Institute
API STD 19C:2018 Measurement of and Specifications for Proppants Used in Hydraulic Fracturing and Gravel-packing Operations American Petroleum Institute
API 2552 : 1966(R2018) METHOD FOR MEASUREMENT AND CALIBRATION OF SPHERES AND SPHEROIDS American Petroleum Institute
API 2552 : 1966 : R2007 METHOD FOR MEASUREMENT AND CALIBRATION OF SPHERES AND SPHEROIDS American Petroleum Institute