Antisand rod pump with helicallygrooved barrel.
泵筒带螺旋槽的新型防砂卡抽油泵。

Developing the magnetic particle flaw detector for pump rod
抽油杆磁粉探伤机的研制

Two pump rotor spinning rod through the implementation drive.
两个泵转子通过旋转的抽油杆实现驱动。

Measuring the Torque and Axial Drag on Rod in Rod Pump Production Wells
螺杆泵采油井光杆转矩和轴向拉力双参数测试技术

Research on Oil Recovery Pipe String Under Sucker Rod Pump in Viscous Crude
稠油有杆泵采油泵下管柱探讨

An Optimal Design Method of Downhole Pump Depth and Rod String Assemblage in Pumping Wells
下泵深度及抽油杆柱组合优化设计方法

Analysis of Causes of Eccentric Wear and Corrosion for Rod Pump and Its Preventive Measures
有杆泵井偏磨腐蚀原因探析及防治

Application of hollow rod through pump electric heating unit for heavy oil recovery in Gudong
空心杆过泵电加热装置在孤东稠油开采中的应用

Investigation on Calculate Method of Depth of Wearing of Rod and Tubing on Sucker Rod Pump Wells
抽油机井杆管磨损深度计算方法研究

This article recommends the process of direct quenching after carburizing for sucker rod pump liners.
介绍了抽油泵衬套渗碳后直接淬火处理工艺。

Design of the technological equipment of spherical grinding in connection rod in emulsion pump station
矿用乳化液泵连杆球头磨削工装的设计

Plotting and analysis of dynamometer card in theory of subsurface sucker rod pump having hanging weight.
悬重式抽聚泵理论示功图的绘制与分析

Analysis and Structural Optimization of Three dimension finite element for Valve seat on Anti gas Rod Pump
防气泵阀座的三维有限元分析及结构优化

We can say that the screw rod pump of oil production technology has already taken on an entirely new look.
可以说螺杆泵采油技术已经面目一新。

The rod provides a connection on a suckerrod pump between the suckerrod string and the bridle on the pumping unit.
光杆提供在抽油杆柱与抽油机上的钢丝绳之间提供连接。

Room Experiments of the Effects of Crude Oil Viscosity. Valve Diameter and Pumping Speed on Pump Efficiency of Sucker Rod Pumping System
粘度、凡尔孔径及冲次对抽油系统泵效影响的室内试验