sucker rod pump

常见例句

Hydraulic feedback hollow sucker rod pump solves the problem of downward movement of the hollow rod on a certain extent.
液力反馈型空心杆抽油泵在一定程度上缓解了抽油杆下行困难的问题。
Therefore, there is important practical significance to establish a laboratory simulation test rig for sucker rod pump units.
因此，建立实验室内的有杆泵模拟试验装置具有重要的现实意义。
When using the mechanical recovery method with sucker rod pump in directional and horizontal wells, it needed install to centralizer on sucker rod string.
在定向井、水平井中使用有杆泵机械采油方法时，需要在抽油杆柱上安装扶正器。