发明名称 |
Positive retraction latch locking dog for a rotating control device |
摘要 |
A latch (116) and method for use is provided for latching an item of oilfield equipment (104). The latch has a housing (114) containing a latch member (116), and the latch member is movable between a radially engaged position in which it is engaged with the item of oilfield equipment, and a radially retracted position in which it is disengaged from the item of oilfield equipment. An actuator is configured to drive the latch member into the radially engaged position. Further, the actuator (118) is configured to drive the latch member toward the radially retracted position. |
申请公布号 |
AU2011277937(A1) |
申请公布日期 |
2013.01.31 |
申请号 |
AU20110277937 |
申请日期 |
2011.07.15 |
申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
RIOS III, ARISTEO;CHAMBERS, JAMES W.;BAILEY, THOMAS F.;WAGONER, DANNY W.;HARRALL, SIMON J. |
分类号 |
E21B33/038;E21B33/08 |
主分类号 |
E21B33/038 |
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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