发明名称 COMPOSANT TUBULAIRE POUR L'EXPLORATION D'UN PUITS D'HYDROCARBURES
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 FR2976015(B1) 申请公布日期 2014.11.07
申请号 FR20110054691 申请日期 2011.05.30
申请人 VAM DRILLING FRANCE 发明人 DAVID DIDIER
分类号 E21B17/042 主分类号 E21B17/042
代理机构 代理人
主权项
地址