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公开(公告)号:US07950906B2
公开(公告)日:2011-05-31
申请号:US11838421
申请日:2007-08-14
CPC分类号: E21B43/128 , E21B4/003 , F04D13/10 , F04D29/046 , F04D29/0462 , F04D29/5893 , F16C17/02 , F16C17/24 , F16C2352/00 , H02K5/08 , H02K5/132 , H02K5/161 , H02K11/40
摘要: A submersible pumping system for use downhole, wherein the system includes a pump, a pump motor, a seal section, a shaft coupling the pump motor to the pump, a bearing assembly for axially retaining the shaft in place, and an electrical insulator for electrically isolating the pump bearing assembly from electrical current leaking from the motor and through the shaft. The electrical insulator can be made from polyetheretherketone, polyimide, polyketone, and mixtures thereof.
摘要翻译: 一种用于井下的潜水泵送系统,其中该系统包括泵,泵马达,密封部分,将泵马达耦合到泵的轴,用于将轴轴向保持在适当位置的轴承组件,以及用于电气 将泵轴承组件与从电机泄漏的电流隔离并通过轴。 电绝缘体可以由聚醚醚酮,聚酰亚胺,聚酮及其混合物制成。