发明名称 |
INFLOW CONTROL DEVICE WITH PASSIVE SHUT-OFF FEATURE |
摘要 |
Controlling flow of formation fluids with respect to one or more selected parameter relating to the wellbore fluid. In one embodiment, a flow control device for controlling fluid flow into the production tubular uses a flow restriction member that is actuated by a character change of the formation fluid, such as a change of phase like liquid to gas or oil to water. The flow restriction member can be sensitive to a change in density of the formation fluid. The flow restriction member is passive, self-regulating and does not need any power source or control signal to control fluid flow. In one embodiment, the flow control device automatically rotates into a predetermined orientation upon being positioned in the wellbore. A seal disposed on the flow control devices expands into sealing engagement with an enclosure after the flow control device assumed the desired predetermined position.
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申请公布号 |
CA2614645(C) |
申请公布日期 |
2010.11.23 |
申请号 |
CA20062614645 |
申请日期 |
2006.08.30 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
CORONADO, MARTIN P.;CROW, STEVE L.;HENRIKSEN, KNUT |
分类号 |
E21B43/12;E21B34/08 |
主分类号 |
E21B43/12 |
代理机构 |
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