发明名称 |
DEVICE FOR WITHDRAWING BRINE FLUID FROM WELL |
摘要 |
FIELD: oil production industry. SUBSTANCE: device has step-down power transformer connected to frequency converter, and electric motor connected to centrifugal subsurface pump. Additionally, mounted on shaft of electric motor rotor are high-power permanent magnets. Frequency converter is adapted to operating voltage of electric motor and accommodates rectifier and thyristor-based inverter with natural commutation. Output of converter is connected to electric motor. EFFECT: higher efficiency. 1 dwgf |
申请公布号 |
RU2115800(C1) |
申请公布日期 |
1998.07.20 |
申请号 |
RU19960100863 |
申请日期 |
1996.01.15 |
申请人 |
SKIJ NAUCHNO-ISSLEDOVATEL'SKIJ, PROEKTNO-KONSTRUKT |
发明人 |
AL'TSHULLER M.I.;BELOV B.V.;CHARONOV V.JA. |
分类号 |
E21B43/00;F04D15/00 |
主分类号 |
E21B43/00 |
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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