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- pumping unit adjustment 抽油机调整
- Development of the well condition self-adaptive pumping unit. 井况自适应抽油机的研制。
- Modifying balance system of Model LCJ1250 chain drive pumping unit. LCJ1250链条抽油机平衡方式改造的实践
- Dynamics simulation of hydraulic beam pumping unit based on 3D model. 液压游梁式抽油机的三维动力学特性仿真
- New method for power saving of beam pumping units. 游梁式抽油机节能新技术探讨。
- Unit adjustment: compensation transformer is 3 phase dry transformer to change voltage . 统调：补偿变压器实际上是一台可改变电压的三相干式变压器。
- Analysis of fatigue reliability of crank pin of beam pump unit. 游梁式抽油机曲柄销疲劳可靠性分析
- Unit adjustment: Touch regulator contains 1 servo motor , 3 phase 1 wrap with decelerate tranmission type to operate carbon brush . 统调：接触式调压器是一台由伺服电机及减速传动机构带动碳刷的三相自藕器。
- A coupler drive system for pumping unit is developed by using the theory of hydraulic drive of coupler. 摘要运用耦合器液力传动原理，研制成功抽油机耦合器传动系统。
- 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
- 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。
- A Calculation method of kinematic parameters for the unusual shape beam pumping unit. 异形游梁式抽油机运动参数的求解方法。
- Finite element analysis and optimum seeking design of frame of chain-drive pumping unit. 链带抽油机机架有限元分析及方案优选。
- Analysis of kinetic and dynamic characteristics of pumping unit with six-bar linkage. 六连杆抽油机的运动和动力特性分析。
- CYJ10?3?0?53HB pumping unit is reconstructed into CYJ210?4?8?53HB(G)phased heam puming unit,with notating mule head. 利用CYJ10 3.;0 53HB型常规抽油机改造成CYJZ10 4
- Milling the keyway on the crank of a beam pumping unit by using Model T6916B boring machine was investigated. 对利用T6916B镗床铣削加工游梁式抽油机曲柄键槽进行了探讨。
- The design scheme and working principle of a broad-belt hydraulic pumping unit are presented. 提出了宽带液压抽油机设计方案，以及设计结构和工作原理。
- Pumping unit shall be light weight for one man operation & self priming features without suction hose. 泵机组应是轻量的，适于一人操作，自吸特点不带抽吸软管。
- Pumping unit controllers based on the model have been used in Daqing, Shengli oil recov... 实践表明,抽油机启停时间合理,在保证采油量的前提下,节电率达30%25以上,有效地解决了抽油机“相对轻载”的问题。
- A down-hole autotracking well pumping unit different from the conventional pumping unit was designed. 针对抽油技术的现状和存在的问题,设计了一种不同于有杆抽油方法的井下自动跟踪式抽油装置。
