发明名称 |
Downhole device for controlling fluid flow in a well |
摘要 |
There is provided a downhole device for controlling the flow of fluids through an oil and/or gas production well comprises a deformable chamber which contains an electromagnetic field or other stimuli responsive gel and a fluid passage which is closed off in response to a volume increase of the gel and the deformable chamber.
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申请公布号 |
US6679324(B2) |
申请公布日期 |
2004.01.20 |
申请号 |
US20020079199 |
申请日期 |
2002.02.20 |
申请人 |
SHELL OIL COMPANY |
发明人 |
DEN BOER JOHANNIS JOSEPHUS;HARTWIJK ASTRID;SOMMERAUER GERALD;STEWART JOHN FOREMAN |
分类号 |
E21B34/06;(IPC1-7):F16K31/02 |
主分类号 |
E21B34/06 |
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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