1.
air-balanced sucker-rod pumping unit
气动平衡泵杆抽油机
2.
Kinematics Study of Servo Compound Balance Beam Pumping Unit
随动复合游梁平衡抽油机运动学研究
3.
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
4.
air lift rod transfer elevator
气动抽油杆运移吊卡
5.
beam counterbalance
抽油机游梁平衡重量
6.
From the viewpoint of sucker rod stress changing, this paper has analyzed the influence of augmenting the pump diameter, depth of pump, pumping stroke length and speed to sucker rod breaking.
从抽油杆应力变化的观点分析了调大抽油泵泵径、深和抽油机冲程、次对抽油杆断裂的影响。
7.
A MATHEMATICAL MODEL FOR PREDICTION AND DIAGNOSIS OF THE BEHAVIOR SUCKER ROD PUMPING SYSTEM IN DIRECTIONAL AND HORIZONTAL WELLS
定向水平井有杆泵抽油系统动态参数诊断和预测的数学模型
8.
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
9.
Screw pump drived by submersible motor is rodless oil pumping which can achieve high delivery lift and low delivery capacity. It can attain the purpose of low cost and high efficiency.
潜油电机驱动螺杆泵的无杆抽油可实现高扬程、低排量,能达到降低成本提高效率的目的。
10.
Dynamics Analysis of Beam Pumping Unit and Sucker Rod System;
游梁式抽油机与抽油杆柱系统动力学分析
11.
Application Status, Problems and Solutions of Mechanical Oil Lifting Systems in Changqing Oilfield
长庆油田机械抽油系统机、杆、泵使用现状及存在问题和对策
12.
The Dynamics Analysis of Rod String in Screw Pump Well and Research Eccentric Wear Prevention Methods
螺杆泵井抽油杆柱动力学分析及防偏磨措施研究
13.
Analysis of Centralizer Mount Position of Rod String of Screw Pump Based on Rotor Dynamics Method
基于转子动力学方法研究螺杆泵抽油杆柱扶正器的布置
14.
Development and Application of PCP Special Pumping Rod with Middle Displacement;
中排量螺杆泵专用抽油杆研制与应用
15.
It is concluded that the single suction double acting unit with balance passage is better than the double suction unit without balance passage.
得出了开平衡通道的单级抽气可以设计得比不开平衡通道的双级抽气真空泵真空度高的结论。
16.
To raise or move gas or liquid with a pump.
以抽水机抽水用泵提升或移动气体或液体
17.
Study on Dynamic Analysis and Balancing of Four-bar Beating-up Mechanism of Air-jet Loom;
喷气织机四连杆打纬机构的动力学分析及动平衡研究
18.
Automatic hydraulic sole attaching press
油压自动平衡压底机