?NORM EN ISO 11961 : 2019废止
Petroleum and natural gas industries - Steel drill pipe
出版：Osterreichisches Normungsinstitut/Austrian Standards
专家解读视频
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 - Identical
EN ISO 11961:2018 - Identical
EN ISO 11961:2008/AC:2009 - Identical
EN ISO 11961:2018 - Identical
EN ISO 11961 : 2008 COR 2009 - Identical
ISO 11961:2018 - Identical
ISO 11961:2018 - Identical
EN ISO 11961:2018 - Identical
EN ISO 11961 : 2008 COR 2009 - Identical
