发明名称 |
Apparatus and method for valve actuation |
摘要 |
<p>An apparatus for controlling fluid flow that includes a chamber having a first valve and a second valve; a sensor that senses a pressure parameter associated with the chamber; and a controller programmed to operate the first valve and the second valve in response to the sensed pressure parameter may be used to control for flow and to obtain data relating to a formation and/or formation fluid.</p> |
申请公布号 |
GB2490286(B) |
申请公布日期 |
2015.10.21 |
申请号 |
GB20120014179 |
申请日期 |
2011.02.15 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
TOBIAS KISCHKAT;EICK NIEMEYER;ALEXANDER OTTO |
分类号 |
E21B49/10;E21B34/08;E21B43/12 |
主分类号 |
E21B49/10 |
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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