API RP 1170:2015 Design and Operation of Solutionmined Salt Caverns Used for Natural Gas Storage
API TR 18TR 1:2015 Guidance on Changes to API Q1, Ninth Edition
API RP 17S:2015 Recommended Practice for the Design, Testing, and Operation of Subsea Multiphase Flow Meters
API SPEC 11AX:2015 Specification for Subsurface Sucker Rod Pump Assemblies, Components, and Fittings, Thirteenth Edition, Includes Addendum 1 (2019)
API STD 674 + ERTA + ERTA 2:2015 (R2016) Positive Displacement Pumps - Reciprocating
API MPMS 5.4 + ERTA:2015 Manual of Petroleum Measurement Standards Chapter 5 - Metering - Section 4 - Accessory Equipment for Liquid Meters
API SPEC 11D1:2015 Packers and Bridge Plugs, Third Edition (ISO 14310:2008, Modified Adoption), Includes Errata 1 (2019)
API RP 2N:2015 Planning, Designing, and Constructing Structures and Pipelines for Arctic Conditions
API STD 675 + ERTA + ERTA 2:2015 Positive Displacement Pumps - Controlled Volume for Petroleum, Chemical, and Gas Industry Services
API RP 2MOP + ERTA:2015 Marine Operations
API RP 19G 9:2015 Design, Operation, and Troubleshooting of Dual Gas-lift Wells