API RP 5C6-2018 Pipe with Welded Connectors (THIRD EDITION) API SPEC 5CT-2018 Casing and Tubing (TENTH EDITION; API Monogram Program Effective Date_ August 1, 2 API TR 16TR1-2018 BOP Shear Ram Performance Test Protocol (FIRST EDITION; ERTA 1_ October 2018) API TR 2577-2018 Performance of Full-bore Vortex Meters for Measurement of Liquid Flows API TR 979-2018 Applications of Refractory Lining Materials (FIRST EDITION) API TR 13M-5-2018 Procedure for Testing and Evaluating the Performance of Friction (Drag) Reducers i API TR 13TR3-2018 Size Measurement of Dry, Granular Drilling Fluid Particulates (FIRST EDITION) API TR 6MET-2018 Metallic Material Limits for Wellhead Equipment Used in High Temperature for API 6A