发明名称 Gas well dewatering method and system
摘要 A method and system for dewatering gas wells on an intermittent, cyclical, period which operates to eject water from the well without loss of gas from the well, or inordinate shut down delays. The said method and system for dewatering gas wells includes time controlled valves and the pressure differential between the tubing and the casing to periodically dewater the well, without the ususal loss of gas.
申请公布号 US4226284(A) 申请公布日期 1980.10.07
申请号 US19780917933 申请日期 1978.06.22
申请人 EVANS, JACK E. 发明人 EVANS, JACK E.
分类号 E21B43/12;E21B43/34;(IPC1-7):E21B43/12 主分类号 E21B43/12
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