发明名称 |
WELLHEAD CONNECTOR AND METHOD OF USING SAME |
摘要 |
The techniques herein relate to a blowout preventer a wellhead of a wellbore penetrating a subterranean formation. The blowout preventer includes a housing having a bore therethrough, a segment carrier positionable in the housing, and a piston. The segment carrier includes a carrier ring for receiving the mandrel and a plurality of segments pivotally movable radially thereabout. The piston is operatively connectable to the plurality of segments and actuatable for moving the plurality of segments between a disengaged and an engaged position about the mandrel.
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申请公布号 |
US2013199801(A1) |
申请公布日期 |
2013.08.08 |
申请号 |
US201213365976 |
申请日期 |
2012.02.03 |
申请人 |
JOHNSON CHRISTOPHER DALE;WEIR JAMES WILLIAM;BENNETT DEAN ALLEN;NATIONAL OILWELL VARCO, L.P. |
发明人 |
JOHNSON CHRISTOPHER DALE;WEIR JAMES WILLIAM;BENNETT DEAN ALLEN |
分类号 |
E21B33/12;E21B33/04 |
主分类号 |
E21B33/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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