Optimization design method for the oil production system with hydraulically-driven progressive cavity pump;
液压驱动螺杆泵采油系统优化设计方法
Optimization Method and Software Development of Liquid Driving Screw Pump Oil Extraction System;
液压驱动螺杆泵油井生产系统的优化设计及软件开发
Structural Design and Testing Study of YLB Hydraulic Screw Pump
YLB型液力驱动螺杆泵结构设计与试验研究
Non-Powered Hydraulic Brake Device for Screw Pumping System
螺杆泵采油系统无动力源液压制动装置
A Dynamics Study on Surface-driving Progressing Cavity Pump of Oil Production System;
地面驱动螺杆泵井抽油杆柱力学研究
Determination of the Growd Driving Auger Stem Pump Working System
地面驱动采油螺杆泵工作制度的确定
Hardware Development of Variable Frequency Drive for Submersible Progressing Cavity Pump;
潜油螺杆泵变频驱动装置的硬件开发
Technology and application of oil production by ground driven screw pump
地面驱动螺杆泵采油配套技术及应用
bar actuated pressure vent
杆式驱动液压排出孔
Failure form analysis of screw pump's drive rod and its structural optimization
螺杆泵驱动杆失效形式分析及结构优化设计
Study on Rules of Fluid Flow in the Well Bore of the Screw Pump with the Ground-driven
地面驱动螺杆泵抽油杆旋转效应的研究
Plasticizing unit drove by hydraulic pressure motor,simple in structure and maintenance.
液压马达直接驱动螺杆的塑化单元，结构简单，维护简单。
Dynamic Parameter Simulation and Operating Optimization of Surface Driven Screw Pump System;
地面驱动螺杆泵系统动态参数仿真及运行优化
The System Efficiency Plate Model of Progressive Cavity Pumping Wells
地面驱动螺杆泵井系统效率控制图模型研究
Contrast on Two Programs of Hydraulic-Driven Diaphragm's Dynamic Client
2种液压驱动隔膜泵动力端方案对比
Research of the DP40-2.5 Type Hydraulic Diaphragm Pump
DP40-2.5型液压驱动隔膜泵研究
Study on Precision Stepping Driving Technology Based on Piezoelectric Pump and ER-Valve Hydraulic System
压电泵/电流变阀液压精密步进驱动技术的研究
Simulation of Variable Frequency Drive for Submersible Progressing Cavity Pump and Cycloconvertor Design;
潜油螺杆泵的变频驱动仿真及交交变频器的设计
Research on the Design of Power Distributional Closed Loop Planetary Gear Reducer for Down Hole Progressive Cavity Pump;
驱动螺杆泵的封闭式功率分流行星减速器设计研究