发明名称 Internal blow-out preventer change-out tool
摘要 A device for use in removing and installing an inline component from a drill string that is depending downward over a deck. The device has an elongate member with a flange adapted to abut the deck and support the elongate member in a substantially upright orientation, and an engagement member on the elongate member adapted to rotably engage the inline component.
申请公布号 US2003006043(A1) 申请公布日期 2003.01.09
申请号 US20020125765 申请日期 2002.04.18
申请人 ENSCO INTERNATIONAL INCORPORATED. 发明人 LUCA GILLES;FACIANE GARY J.
分类号 E21B19/16;E21B21/10;(IPC1-7):E21B19/00;E21B19/18 主分类号 E21B19/16
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