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    • 4. 发明授权
    • Electric submersible pumping system for dewatering gas wells
    • 用于脱水气井的电潜泵系统
    • US08770271B2
    • 2014-07-08
    • US13850893
    • 2013-03-26
    • Zeitecs B.V.
    • Lance I. FielderRobert Nicholas Worrall
    • E21B43/00
    • F04B17/03E21B43/128F04B43/04
    • A pumping system includes a submersible high speed electric motor operable to rotate a drive shaft; a high speed pump rotationally fixed to the drive shaft; an isolation device operable to expand into engagement with a tubular string, thereby fluidly isolating an inlet of the pump from an outlet of the pump and rotationally fixing the motor and the pump to the tubular string; and a cable having two or less conductors, a strength sufficient to support the motor, the pump, and the isolation device, and in electrical communication with the motor. A maximum outer diameter of the motor, pump, isolation device, and cable is less than or equal to two inches.
    • 泵送系统包括可操作以使驱动轴旋转的潜水式高速电动机; 旋转固定在驱动轴上的高速泵; 隔离装置,其可操作以膨胀成与管状串接合,从而将泵的入口与泵的出口流体地隔离,并将马达和泵旋转地固定到管状管柱; 以及具有两个或更少导体的电缆,足以支撑电动机,泵和隔离装置并与电动机电连通的强度。 电机,泵,隔离装置和电缆的最大外径小于或等于2英寸。