发明名称 |
Pressure equalizer in thrust chamber electrical submersible pump assembly having dual pressure barriers |
摘要 |
A well pump assembly has a rotary pump with an electrical motor that contains a motor lubricant. A thrust chamber is mounted between the motor and the pump, the thrust chamber containing a thrust chamber lubricant. Seals prevent the entry of thrust chamber lubricant into the motor chamber. A pressure equalizing chamber is mounted to the motor for admitting well fluid. A first pressure barrier in the equalizing chamber equalizes the pressure of the thrust chamber lubricant with that of the well fluid. A second pressure barrier contained within the first pressure barrier equalizes the pressure of the motor lubricant with thrust chamber lubricant. |
申请公布号 |
GB2464015(A) |
申请公布日期 |
2010.04.07 |
申请号 |
GB20100000216 |
申请日期 |
2008.07.01 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
LARRY J PARMETER;ARTURO LUIS PORETTI |
分类号 |
E21B43/12;F04B35/04;F04D29/051 |
主分类号 |
E21B43/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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