发明名称 |
CEMENT HEAD WITH INTEGRATED ENERGY SUPPLY FOR OPERATING VALVES |
摘要 |
Cement head used for performing cementing jobs in downhole operations comprising wireless signaling means, integrated energy supply, activating means for pneumatic operated valves in cement head, and controller means for controlling said energy supply for activation of at least one valve based on received signals through said wireless signaling means. |
申请公布号 |
WO2010047600(A2) |
申请公布日期 |
2010.04.29 |
申请号 |
WO2009NO00366 |
申请日期 |
2009.10.23 |
申请人 |
SEAWELL OIL TOOLS AS;OSMUNDSEN, STIAN;KLIMAS, KRZYSZTOF |
发明人 |
OSMUNDSEN, STIAN;KLIMAS, KRZYSZTOF |
分类号 |
E21B33/05 |
主分类号 |
E21B33/05 |
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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