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
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