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.
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
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