发明名称 PIPE RUNNING TOOL HAVING A PRIMARY LOAD PATH
摘要 A system for coupling a pipe segment to a pipe string is provided that includes a top drive assembly having a threaded output shaft; and a pipe running tool threadingly coupled to the threaded output shaft of the top drive assembly such that the primary load of the pipe running tool is supported by the threads of the output shaft of the top drive assembly, and wherein the pipe running tool is rotatable by the output shaft and further includes a pipe engaging portion for grippingly engaging the pipe segment sufficient to transmit a torque from the top drive output shaft to the pipe segment.
申请公布号 US2010155140(A1) 申请公布日期 2010.06.24
申请号 US20100715284 申请日期 2010.03.01
申请人 VARCO I/P, INC. 发明人 JUHASZ DANIEL;BOYADJIEFF GEORGE;EIDEM BRIAN L.;VAN RIJZINGEN HANS;KAMPHORST HERMAN M.;BOETTGER HANS JOACHIM DIETRICH;VAN WECHEM GUSTAAF LOUIS;MASON DAVID;KRIJNEN ANTON
分类号 E21B19/16 主分类号 E21B19/16
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