?NORM EN ISO 11961:2021 01 01現(xiàn)行
Petroleum and natural gas industries — Steel drill pipe (ISO 11961:2018 + Amd.1:2020)
出版：Osterreichisches Normungsinstitut/Austrian Standards
專家解讀視頻
This document specifies the technical delivery conditions for steel drill-pipes with upset pipe-body ends and weld-on tool joints for use in drilling and production operations in petroleum and natural gas industries for three product specification levels (PSL-1, PSL-2 and PSL-3).
ISO 11961:2018/AMD 1:2020 - Identical
EN ISO 11961:2018/A1:2020 - Identical
ISO 11961:2018/Amd 1:2020 - Identical
EN ISO 11961:2018/A1:2020 - Identical
