UNI EN ISO 11961:2020现行
Oil and natural gas industries - Steel drill pipes
出版：Ente Nazionale Italiano di Unificazione (UNI)
专家解读视频
The standard specifies the technical supply conditions for steel drill rods suitable for drilling and production operations in the oil and natural gas industry.
EN ISO 11961:2018/A1:2020 - Identical
EN ISO 11961:2018 - Identical
ISO 11961:2018/AMD 1:2020 - Identical
ISO 11961:2018 - Identical
ISO 11961:2018 - Identical
EN ISO 11961:2018/A1:2020 - Identical
EN ISO 11961:2018 - Identical
ISO 11961:2018/Amd 1:2020 - Identical
ISO 11961:2018 - Identical
