发明名称 |
Subsurface safety valve and method of actuation |
摘要 |
<p>An apparatus for operating a downhole valve includes: a force transmitter configured to move in an axial direction and including at least one first magnetic assembly; a housing including at least one axially elongated passageway formed therein, the at least one first magnetic assembly configured to be disposed within the at least one axially elongated passageway; and a valve actuator configured to move in an axial direction and including at least one second magnetic assembly disposed at the valve actuator, the first and second magnetic assemblies configured to interact so that movement of the force transmitter in the axial direction causes movement of the valve actuator in the axial direction.</p> |
申请公布号 |
AU2010322210(B2) |
申请公布日期 |
2014.08.07 |
申请号 |
AU20100322210 |
申请日期 |
2010.11.15 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
LAKE, GARY B.;ANDERSON, DAVID Z.;PEOPLES, BROCK A.;ROBERTS, TYLER |
分类号 |
E21B34/12;E21B34/14 |
主分类号 |
E21B34/12 |
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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