1.
Scheme design and performance analysis of a new chain drive pumping unit
新型链条抽油机的方案设计及性能分析
2.
Structure Design of Long-Stroke Chain-Type Pumping Unit with Axis Reversing
销轴换向链条式长冲程抽油机结构设计
3.
Application of Watt chain six-bar linkage on pumping units.
瓦特链六杆机构在抽油机上的应用与优化设计
4.
beam pumping well
游梁式抽油机抽油的井
5.
Chain type long stroke pumping unit is mainly used in mid and anaphase oilfield.
链式长冲程抽油机主要是为开采中、期油田而设计的。
6.
needle double chain stitch shirring machine
双线链式缝抽摺缝纫机
7.
Performance of Linear Motor Pumping Unit and Beam Pumping Unit
直线电机抽油机与游梁式抽油机工作性能对比
8.
beam counterbalance
抽油机游梁平衡重量
9.
air-balanced sucker-rod pumping unit
气动平衡泵杆抽油机
10.
A sampling inspection method wear-resisting reliability target of roller chain
链条耐磨可靠性指标检验的抽样方法
11.
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
12.
Lubrication of chain depends on the wouking environment, temperature, chain speed and so on.
润滑方式直接与链条速度度有关，夏季采用粘度大的机油。
13.
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。
14.
The oil extractors form a unique picture of a booming oilfield.
田间的抽油机构成了独特的油田景观。
15.
The System of Pumping Wells Optimum Design in the Exploiting Anaphase of Oil
油田开采后期抽油机井系统优化设计
16.
Hazards of Reduction Gearbox Leakage of Pumping Unit and Their Onsite Treatment
抽油机减速箱漏油的危害与现场治理
17.
Research on Complex Boring and Rolling Processing of Hydraulic Cylinder
液压抽油机油缸镗滚复合加工的研究
18.
MECHANISM ANALYSIS AND COUNTERMEASURES ON PARTIAL WEAR OF SUCKER ROD IN CAINAN OILFIELD
彩南油田抽油杆偏磨机理和防治研究