发明名称 System and method for controlling liquid removal operations in a gas-producing well
摘要 A system for operating downhole equipment in a well includes a drive shaft extending from a surface of the well to a downhole location. A motor is positioned at the surface and is operably connected to the drive shaft to selectively rotate the drive shaft. A lift system is positioned at the surface and is operably connected to the drive shaft to axially lift and lower the drive shaft.
申请公布号 US8162065(B2) 申请公布日期 2012.04.24
申请号 US20100872958 申请日期 2010.08.31
申请人 ZUPANICK JOSEPH A.;PINE TREE GAS, LLC 发明人 ZUPANICK JOSEPH A.
分类号 E21B43/00 主分类号 E21B43/00
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