发明名称 SYSTEM AND METHOD FOR GAS SHUT OFF IN A SUBTERRANEAN WELL
摘要 A gas inflow control system is used in a well. A downhole tool is combined with an automatic valve that is automatically actuatable to a flow position in th e presence of a well liquid flowing into the downhole tool. In the presence of gas flow into the valve, the valve automatically transitions toward or to a closed position.
申请公布号 CA2530995(A1) 申请公布日期 2006.06.21
申请号 CA20052530995 申请日期 2005.12.20
申请人 SCHLUMBERGER CANADA LIMITED 发明人 MACDOUGALL, THOMAS D.
分类号 E21B34/08 主分类号 E21B34/08
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