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    • 4. 发明授权
    • System and method for pumping and heating viscous fluids in a wellbore
    • 在井筒中泵送和加热粘性流体的系统和方法
    • US06318467B1
    • 2001-11-20
    • US09452669
    • 1999-12-01
    • Joseph C. LiuRick Bailey
    • Joseph C. LiuRick Bailey
    • E21B3604
    • E21B43/24E21B36/04
    • A system for pumping and heating viscous fluids in a wellbore includes electrical power supplies, a switchboard, conductors, and a submergible pumping system having a pump and a submergible electric motor. The electrical power supplies are coupled to the submergible pumping system through a switchboard and conductors that supply electrical power to the motor. The electrical power supplies provide direct or alternating current and include protective circuitry. The submergible pumping system may be supplied with electrical power to motor stator windings to generate heat to raise the temperature and lower the viscosity of adjacent viscous fluids.
    • 用于在井眼中泵送和加热粘性流体的系统包括电源,配电盘,导体和具有泵和潜水电动机的潜水泵送系统。 电源通过配电板和向电动机提供电力的导体耦合到潜水泵送系统。 电源提供直流或交流电流,并包括保护电路。 潜水泵送系统可以向电动机定子绕组提供电力,以产生热量以升高温度并降低相邻粘性流体的粘度。