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1. 发明授权

US07188669B2 Motor cooler for submersible pump 有权
标题翻译：潜水泵电机冷却器
公开(公告)号：US07188669B2
公开(公告)日：2007-03-13
申请号：US10965019
申请日：2004-10-14
申请人： Aaron Duane Bullock , Dick L. Knox
发明人： Aaron Duane Bullock , Dick L. Knox
IPC分类号： E21B43/00
CPC分类号： E21B43/128
摘要： A motor cooler for an electrical submersible pump (ESP). The ESP is typically deployed within casing and defines an annular space between the ESP and the casing. The ESP includes a pump having an intake, a motor cooler pump having an output port, a seal section below the motor cooler pump, and a motor located below a well inlet. Fluid is directed downwardly from the motor cooler pump output port to cool the motor. In one example, a shroud directs fluid received from the motor cooler pump output port downwardly past the motor and back up an outside of the shroud. In another example, longitudinal ribs direct flow in an annular space between the ESP and the casing. Fluid from the motor cooler pump output port is directed downwardly between adjacent ribs over a surface of the motor and then back up between another pair of ribs.
摘要翻译：用于电潜泵（ESP）的电机冷却器。 ESP通常部署在壳体内并且在ESP和壳体之间限定环形空间。 ESP包括具有进气口的泵，具有输出端口的电动机冷却器泵，电动机冷却器泵下方的密封部分和位于井口下方的电动机。流体从电机冷却器泵输出端口向下引导，以冷却电机。在一个示例中，护罩将从电动机冷却器泵输出端口接收的流体向下引导通过电动机并且将其备用到护罩的外部。在另一个示例中，纵向肋条在ESP和壳体之间的环形空间中直接流动。来自电动机冷却器泵输出端口的流体在电动机的表面上相邻的肋之间向下指向，然后在另一对肋之间备用。

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