Equipped with manual oil pumping unit.
配有手动上油装置。
The present invention belongs to petroleum mechanical field, especially energy saving oil pumping machine.
本发明创造属于石油机械，尤其是节能抽油机。
Rod pumping is a main artificial lift oil production method in petroleum industry.
有杆泵采油是石油工业传统而占主导地位的人工举升采油方式。
Nor are oil firms pumping nearly as much as they could.
石油公司也不是尽其所能地开采石油。
In order to solve this problem, the pipe string for pumping thick-oil is designed.
为解决偏远井及偏远区块的稠油井井筒举升的问题，设计此稠油管柱。
Not using Oil or Waste as pumping medium, low operation cost.
工作方式不使用油或水，大幅降低操作成本。
Not using Oil or Waste as pumping medium, low operation cost.
工作方式不使用油或水，大幅降低操作成本。
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