Under the action of variation magnetic field, the permanent magnet moving-coil drives the plunger pump to move up and down and lift oil up to ground.

通过动力电缆给井下直线电机供电后产生交变磁场，永磁体动子在交变磁场作用下带动泵柱塞上下往复运动，从而达到举升抽油的目的。

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Imersion oil electric pump unit is a kind of oil jack with rodless deep extraction, large discharge capacity and high lift.

潜油电泵机组是一种无杆深抽、排量大、扬程高的抽油设备。

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Submersible electric pump is a kind of artificial lift equipment used for oil producing, it has encountered many technical troubles during dewatering gas production.

电潜泵是一种最早用于采油的人工举升设备，用它进行排水采气碰到了许多技术难题。

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