发明名称 |
SELECTIVE DOWNHOLE ACTUATOR |
摘要 |
A selective downhole actuator comprising at least a first actuator position, a second actuator position and a third actuator position. The selective downhole actuator is reconfigurable between the first actuator position and the second actuator position. The selective actuator is selectively reconfigurable to the third actuator position by varying an operating parameter during a transition of the selective downhole actuator between the first and second actuator positions. |
申请公布号 |
WO2016132140(A1) |
申请公布日期 |
2016.08.25 |
申请号 |
WO2016GB50416 |
申请日期 |
2016.02.19 |
申请人 |
NOV DOWNHOLE EURASIA LIMITED |
发明人 |
MACKENZIE, Alan;VISWANATHAN, Alagappan;MACFARLANE, Alastair Henry Walter |
分类号 |
E21B23/00 |
主分类号 |
E21B23/00 |
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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