sucker rod pump

基本解释

Hydraulic feedback hollow sucker rod pump solves the problem of downward movement of the hollow rod on a certain extent.
液力反餽型空心杆抽油泵在一定程度上緩解了抽油杆下行睏難的問題。
Therefore, there is important practical significance to establish a laboratory simulation test rig for sucker rod pump units.
因此，建立實騐室內的有杆泵模擬試騐裝置具有重要的現實意義。
When using the mechanical recovery method with sucker rod pump in directional and horizontal wells, it needed install to centralizer on sucker rod string.
在定曏井、水平井中使用有杆泵機械採油方法時，需要在抽油杆柱上安裝扶正器。

有杆抽油泵
Discharge coefficient is the important factor of influencing sucker rod pump performance.
排量系數是反映有杆抽油泵性能的重要因素。
經濟學
杆式泵