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    • 3. 发明申请
    • SUBMERSIBLE PUMP HOUSING WITH SEAL BLEED PORTS
    • 带密封端口的不合适的泵壳
    • US20140037434A1
    • 2014-02-06
    • US13604628
    • 2012-09-06
    • David Milton Eslinger
    • David Milton Eslinger
    • F04D1/00F04D29/08B23P11/00F04D29/00
    • F04D13/10F04D29/086Y10T29/49243
    • A submersible pump housing with seal bleed ports is provided. In an implementation, a pump housing for electric submersible pumps (ESPs), such as a centrifugal ESP, has end seals that are located inside or further inboard toward the high thrust pressure generated by the pump, than the threaded ends of the pump housing. The inboard seals contain and seal off the pump pressure and spare the threaded regions that are more pressure-vulnerable from the pump's high pressure interior, thereby increasing the pressure rating of the entire housing. Leak ports or bleed ports are provided further outboard of the end seals to relieve fluid seeping from inside the submersible pump housing past each end seal. A plate may be added to direct small amounts of fluid escaping from the end seals away from the wellbore casing in which an ESP is situated.
    • 提供具有密封泄放口的潜水泵壳体。 在一个实施方案中,用于电潜泵(ESP)的泵壳体(例如离心式ESP)具有端部密封件,其位于泵内产生的高推力压力的内侧或内侧,而不是泵壳体的螺纹端部。 内部密封件包含并密封泵的压力,并且使来自泵的高压内部更容易受到压力的螺纹区域进行备用,从而提高整个外壳的压力等级。 泄漏端口或排放口在末端密封件的外侧进一步设置,以便通过每个端部密封件释放从潜水泵壳体内部渗出的流体。 可以添加板以将少量从端部密封件排出的流体远离ESP所在的井筒壳体。
    • 6. 发明授权
    • Submersible pump housing with seal bleed ports
    • 潜水泵外壳,带密封排放口
    • US09394909B2
    • 2016-07-19
    • US13604628
    • 2012-09-06
    • David Milton Eslinger
    • David Milton Eslinger
    • F04D13/10F04D29/08
    • F04D13/10F04D29/086Y10T29/49243
    • A submersible pump housing with seal bleed ports is provided. In an implementation, a pump housing for electric submersible pumps (ESPs), such as a centrifugal ESP, has end seals that are located inside or further inboard toward the high thrust pressure generated by the pump, than the threaded ends of the pump housing. The inboard seals contain and seal off the pump pressure and spare the threaded regions that are more pressure-vulnerable from the pump's high pressure interior, thereby increasing the pressure rating of the entire housing. Leak ports or bleed ports are provided further outboard of the end seals to relieve fluid seeping from inside the submersible pump housing past each end seal. A plate may be added to direct small amounts of fluid escaping from the end seals away from the wellbore casing in which an ESP is situated.
    • 提供具有密封泄放口的潜水泵壳体。 在一个实施方案中,用于电潜泵(ESP)的泵壳体(例如离心式ESP)具有端部密封件,其位于泵内产生的高推力压力的内侧或内侧,而不是泵壳体的螺纹端部。 内部密封件包含并密封泵的压力,并且使来自泵的高压内部更容易受到压力的螺纹区域进行备用,从而提高整个外壳的压力等级。 泄漏端口或排放口在末端密封件的外侧进一步设置,以便通过每个端部密封件释放从潜水泵壳体内部渗出的流体。 可以添加板以将少量从端部密封件排出的流体远离ESP所在的井筒壳体。