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 the 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 US7537056(B2) 申请公布日期 2009.05.26
申请号 US20050306225 申请日期 2005.12.20
申请人 SCHLUMBERGER TECHNOLOGY CORPORATION 发明人 MACDOUGALL THOMAS D
分类号 E21B34/06 主分类号 E21B34/06
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