潜油电泵机组是一种无杆深抽、排量大、扬程高的抽油设备。
Imersion oil electric pump unit is a kind of oil jack with rodless deep extraction, large discharge capacity and high lift.
实践证明，振动过大往往是引发潜油电泵机组故障的根源之一。
Engineering practice was proved that one of the reasons for ESP failure was due to the excessive vibration.
然而，潜油电泵机组的综合故障率较高，给油田造成重大损失。
ESP high comprehensive failure rate, however, brought heavy loss to oil field.
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