发明名称 DOWNHOLE RELEASE JOINT
摘要 An apparatus comprises a support member operable to be disposed within a tubular member that includes a threaded connection with a pin member. The tubular member is coupled to an expansion device that is operable to radially expand the tubular member and a pin catcher that is operable to engage the pin member as the expansion device and pin catcher move axially through the tubular member.
申请公布号 EP2702224(A4) 申请公布日期 2016.11.16
申请号 EP20120776404 申请日期 2012.04.27
申请人 WHIDDON, RICHARD MURRAY;ENVENTURE GLOBAL TECHNOLOGY, L.L.C. 发明人 WHIDDON, RICHARD MURRAY
分类号 E21B17/06;E21B17/02;E21B31/18;E21B43/10 主分类号 E21B17/06
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