API TR 5TP:2013 Torque-Position Assembly Guidelines for API Casing and Tubing Connections
API RP 577:2013 Welding Processes, Inspection, and Metallurgy
API BULL 97:2013 Well Construction Interface Document Guidelines
API SPEC 11E + ADD 1:2018 Specification for Pumping Units
API RP 11G:2013 Recommended Practice for Installation, Maintenance, and Lubrication of Pumping Units
API MPMS 14.3.3:2013 Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids-Concentric, Square-edged Orifice Meters Part 3: Natural Gas Applications
API STD 620 + ADD 1 + ADD 2:2018 Design and Construction of Large, Welded, Low-pressure Storage Tanks
API RP 557:2013 Guide to Advanced Control Systems
API MPMS 8.1:2013 Manual of Petroleum Measurement Standards Chapter 8.1 - Standard Practice for Manual Sampling of Petroleum and Petroleum Products
API RP 573:2013 Inspection of Fired Boilers and Heaters
API STD 1104 + ERTA 1 + ERTA 2 + ERTA 3 + ERTA 4 + ERTA 5 + ADD 1 + ADD 2:2013 Welding of Pipelines and Related Facilities, 21st Edition, Includes Errata 1 (2013), Errata 2 (2014), Errata 3 (2014), Errata 4 (2015), Errata 5 (2018) and Addendum 1 (2014), Addendum 2 (2016)
API STD 623:2013 Steel Globe Valves -Flanged and Buttwelding Ends, Bolted Bonnets