| 1. | Specification for subsurface sucker rod pumps and fittings 抽油泵及其组件规范 |
| 2. | A method to enhance rod pumping efficiency 一种提高有杆泵抽油系统效率的方法 |
| 3. | Performance analysis of the new type of swing - rod pumping unit 新型摆杆式游梁抽油机的性能分析 |
| 4. | The design technology of rod pump well with no tubing raising system 无油管有杆泵井举升工艺设计技术 |
| 5. | Energy saving mechanism in the application of gas anchors to rod pumping wells 抽油机井应用气锚的节能效果 |
| 6. | Air balanced sucker rod pumping unit 气动平衡抽油机 |
| 7. | Neural network - based fault diagnosis expert system for rod pumped well 基于神经网络的抽油机井井下故障诊断专家系统 |
| 8. | Development and application of sucker - rod pumping system optimization design software 机抽系统优化设计软件研制与应用 |
| 9. | Inflow performance of oil well , as a major external factor of influencing sucker rod pump performance , is studied 油井流入动态是影响抽油泵性能的外部重要因素。 |
| 10. | Combining with practical application , the factors that influence sucker rod pump performance are studied in this dissertation 本文结合工程实际,对影响有杆抽油泵性能的因素进行了比较深入的研究。 |