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- Several problems with design of slant hole pumping units 斜井抽油机设计中的几个问题
- slant hole pumping unit 斜井抽油机
- A slant hole pump with semi-spheric plunger valve 采用半球形柱塞阀的新型斜井抽油泵
- 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
- The trays in the distillation column were designed with new multi overflow compound slant hole trays commonly used in the recent years. 在此基础上对原有工艺和新工艺精馏塔板进行设计,塔板选用近年来广泛应用的新型多溢流复合斜孔塔板。
- Better reverse washing of the fracturing string and reliable sealing property offer a set of effective completion techniques for slant hole well production. 斜直井压裂管柱良好的反洗井和可靠的密封性能为斜直井开采提供了一套有效的完井技术。
- 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
- When profile control of partial slant hole is carried out, some problems appear frequently such as unsealed, pipe string creeping, the seal of packer can be checked and so on. 针对部分斜直井在调剖时,经常出现不密封、管柱蠕动和不能验封等问题,研制出一种防蠕动、密封性能好、可验封的新型斜直井调剖管柱。
- New method for power saving of beam pumping units. 游梁式抽油机节能新技术探讨。
- The downhole stabilizer location adjuster, fixed between the bit and the drill collar, is a special tool for continual deviation control of a slant hole. 井下稳定器安放位置调节器是斜井旋转钻井时实施井斜连续控制的专用工具，安装在钻头与钻铤之间。
- 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
- 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。
- About 20 percent of the oil wells use rodless botttom hole pumps to exploit. 大概有20%25的油井使用无杆泵采油技术。
- 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。
- 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
- 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。
- rectify inclination by slant hole 斜孔纠偏
- 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。
