发明名称 TUBULAR COMPONENT FOR HYDROCARBON WELL EXPLORATION
摘要 The invention concerns a tubular component (2) for the exploration or operation of a hydrocarbon well, comprising a pipe body (24) with an axis of revolution (20) extended at at least one of its ends (25) by a first tool joint (23) provided with a threaded end that can connect the tubular component (2) to another tubular component by makeup, the first tool joint (23) being friction welded to said end (25) of the pipe body (24) in order to define a first weld zone (21), characterized in that the circumferential surface of the tubular component comprises an annular groove (22) extending in the region of the first weld zone.
申请公布号 US2012306199(A1) 申请公布日期 2012.12.06
申请号 US201213483473 申请日期 2012.05.30
申请人 DAVID DIDIER;VAM DRILLING FRANCE 发明人 DAVID DIDIER
分类号 F16L25/00 主分类号 F16L25/00
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