According to the failure site data of the well pumping unit in active service, its life statistical model is determined and the service reliability is evaluated quantitatively.
由在役抽油机故障的现场数据来判定其寿命统计模型，实现对抽油机使用可靠性的定量评定。
A new structure of choosing electric motor for the pumping unit was recommended, and a model was built to calculate the day-power consumption.
提出一种新的抽油机电动机优化匹配选型方案，建立电动机模型计算日耗电量。
The model can be reference for the selection of the hydraulic pumping unit motor and analysis of mechanical characteristics of other hydraulic pumping units charactered power recovery.
模型为该型液压抽油机电机选型以及其他功率回收型液压抽油机机械特性分析提供参考。
Thirdly, take a particular type of pumping unit as an example, the optimal pumping design model is established, using MATLAB optimization toolbox to realize optimization algorithm.
第三，以某一型号的抽油机为例建立优化设计模型，采用MATLAB优化工具箱编程实现优化算法。
The controller of pumping unit based on the model has been successfully used in the oil recovery plants of Daqing, Shengli, Liaohe, Zhongyuan and Dagang oil Fields.
基于该模型开发的抽油机节电控制器已在大庆、胜利、辽河、中原、大港各大油田采油厂投入使用。
Static analysis of Model LCJ1250 chain pumping unit indicates that the rather low reliability of the unit is due to the premature failure of the path chain caused by the action of lateral bending.
对LCJ1250链条抽油机的静力学分析与计算表明，由于轨迹链条承受侧向弯曲作用而早期失效，造成抽油机可靠性低。
Our most popular model incorporates the same basic unit as the basic water heater, plus pumping stations for recirculating hot water to the customer's holding tank.
该公司最受欢迎的型号包含基本的装置：水加热器，再配以循环泵将热水输送至储水箱。
The equation of polished rod motion and the power expression of the new pumping unit are derived and the design parameters for a Model 4 unit are presented.
导出了椭圆齿轮抽油机的悬点运动方程和功率表达式，给出了一种四型机型的设计参数。
On the basis of the logic relation of all members of a pumping unit, a reliability model for electrical submersible pumping unit was developed.
根据机组中各部件逻辑功能关系，构建了其可靠性模型为串联系统。
By variable density method, an optimal topology model is established with the help of the software ANSYS to support the optimal topology design of the horsehead pumping unit.
文章应用有限元分析软件ANSYS。采用变密度法建立拓扑优化模型，对抽油机驴头进行拓扑优化设计。
By variable density method, an optimal topology model is established with the help of the software ANSYS to support the optimal topology design of the horsehead pumping unit.
文章应用有限元分析软件ANSYS。采用变密度法建立拓扑优化模型，对抽油机驴头进行拓扑优化设计。
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