API SPEC 17L1-2021 Specification for Ancillary Equipment for Flexible Pipes and Subsea Umbilicals - API SPEC 5CT-2018 Casing and Tubing (TENTH EDITION; API Monogram Program Effective Date_ August 1, 2 API SPEC 15PX-2018 Specification for Crosslinked Polyethylene (PEX) Line Pipe (First Edition) API TR 6MET-2018 Metallic Material Limits for Wellhead Equipment Used in High Temperature for API 6A API Spec 6D-2022 阀门规范 Specification for Valves API SPEC 19OH-2018 Openhole Isolation Equipment (First Edition) API Spec 6A-2018（2020） 井口与采油树设备 API RP 17L2 -2021 Recommended Practice for Ancillary Equipment for Flexible Pipes and Subsea Umbilic