The single screwoilpump is a new type extracting oil pump, which is simple in structure and high in performance with low working cost.
单螺杆抽油泵是一种新型的采油泵，结构简单，性能可靠，作业成本低。
2
Application of the model results show that the effectiveness and accuracy of other oil fields to enhance the efficiency of screwpump well system has a certain significance.
应用结果表明了该模型的有效性和准确性，对提高其他油田螺杆泵井系统效率具有一定的指导意义。
3
Connect hydraulic nut to oilpump and screw in dial gauge.