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    • 4. 发明授权
    • Tandem motors
    • 串联电机
    • US07549849B2
    • 2009-06-23
    • US11306606
    • 2006-01-04
    • Arthur I. WatsonTyson R. MessickDiego A. NarvaezMichael H. DuPatrick M. McCartney
    • Arthur I. WatsonTyson R. MessickDiego A. NarvaezMichael H. DuPatrick M. McCartney
    • F04B35/04
    • F04D13/10F04D13/021H02K5/132H02K16/00
    • A pumping system including a first section and a second section. The first section includes a first housing having an axial bore formed therethrough and a protruding member formed on one end of the first housing, and a first shaft arranged within the axial bore of the first housing. The second section include a second housing having an axial bore formed therethrough and a recess formed on one end of the second housing for receiving the protruding member of the first housing, and a second shaft arranged within the axial bore of the second housing. An apparatus for compensating oil volume change in a motor, including a compensator housing having an open end for connecting to the motor, and a closed end; and a flexible bladder arranged within the housing and connected to the open end of the housing.
    • 一种泵送系统,包括第一部分和第二部分。 第一部分包括具有穿过其形成的轴向孔的第一壳体和形成在第一壳体的一端上的突出构件,以及布置在第一壳体的轴向孔内的第一轴。 第二部分包括具有穿过其形成的轴向孔的第二壳体和形成在第二壳体的一端上的凹部,用于接收第一壳体的突出构件,以及布置在第二壳体的轴向孔内的第二轴。 一种用于补偿电动机油量变化的装置,包括具有用于连接到电动机的开口端的补偿器壳体和封闭端; 以及布置在壳体内并连接到壳体的开口端的柔性囊。
    • 5. 发明申请
    • Electric Progressive Cavity Pump
    • 电进腔泵
    • US20070295510A1
    • 2007-12-27
    • US11426667
    • 2006-06-27
    • Joseph C. LiuPatrick M. McCartney
    • Joseph C. LiuPatrick M. McCartney
    • E21B43/00
    • E21B43/128F04C2/1073F04C13/008F04C15/008
    • An electric progressive cavity pump system includes a progressive cavity pump in operation connection with a six-pole, three-phase electric motor. A method of producing fluid from a wellbore includes the steps of positioning a progressive cavity pump below a fluid level in the wellbore, connecting a six-pole, three-phase electric motor that includes a stator having eighteen slots and a plurality of windings distributed among the eighteen slots, wherein the windings of different phases do not pass through the same slot and operating the progressive cavity pump via the electric motor to produce the fluid from the wellbore. The electric motor may be positioned below the fluid level in the wellbore or at the surface.
    • 电动进腔泵系统包括与六极三相电动机操作连接的渐进式泵。 从井眼产生流体的方法包括以下步骤:将进液腔泵定位在井筒内的液位以下,连接六极三相电动机,其包括具有十八个槽的定子和分布在其中的多个绕组 十八个槽,其中不同相的绕组不通过相同的槽,并且经由电动机操作渐进腔泵,以从井眼产生流体。 电动机可以位于井眼或表面处的液面之下。