发明名称 ASSEMBLY FOR PRODUCING A THREADED CONNECTION, METHOD FOR MAKING UP AND BREAKING OUT SAID CONNECTION AND USE OF SAID CONNECTION IN A WORK OVER RISER
摘要 <p>An assembly for producing a threaded connection, including first and second tubular components with an axis of revolution, each including at one end a male threaded zone produced on the external circumferential surface, the ends each finishing in a terminal surface forming a direct drive dog clutch device to fix the first and second tubular components in rotation, and including a third tubular component which also has an axis of revolution and includes at each end on its internal circumferential surface two female threaded zones, one of the two male threaded zones being capable of cooperating with one of the two female threaded zones while the other male threaded zone can co-operate with the other female threaded zone. The male end of the first tubular component and the corresponding female end of the third tubular component include a mechanism for free rotation.</p>
申请公布号 EP2504518(B1) 申请公布日期 2013.08.28
申请号 EP20100782557 申请日期 2010.11.23
申请人 VALLOUREC MANNESMANN OIL&GAS FRANCE;NIPPON STEEL & SUMITOMO METAL CORPORATION 发明人 COEFFE, GUILLAUME
分类号 F16L15/00;E21B17/043;E21B17/08;F16L15/08 主分类号 F16L15/00
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