1) tri-cavity pump
三腔抽油泵
1.
A 56 mm tri-cavity pump has an upward feedback force caused by highly pressurized hydraumatic when the pump runs down stroke, thus increasing resistance to the downward rod.
5 6mm串联式三腔抽油泵在下冲程时存在一个向上的液压反馈力 ,增加了柱塞下行阻力 ,当该力足够大时 ,将导致空心连杆失稳弯曲 ,造成抽油杆下行困难 ,影响抽油泵的正常工作。
2) oil pumping
泵油;抽油
3) pump valve-ball
抽油泵泵阀
1.
It is the key study how to make sure the pressure distribution of liquid in the pump barrel and to study the pump valve-ball's movement to improve the systematic efficiency.
对有杆抽油泵泵阀运动规律的研究和确定抽油泵泵阀筒内液体压力的分布是提高抽油机井系统效率研究的关键性课题。
4) oil well pump
抽油泵
1.
The development and application of the closed negative pressure oil well pump;
封闭式负压抽油泵的研制与应用
2.
Study of the method for calculating the clearance leakage between the plunger and the barrel of oil well pump;
抽油泵柱塞与泵筒间隙漏失量计算方法的研究
3.
The measurement of dynamic parameter of the oil well pump;
有杆抽油泵动态参数的测量
5) oil pump
抽油泵
1.
The development of oil pump thread twist moment measure and control system;
抽油泵螺纹旋紧扭矩测控系统研究
2.
Research on intelligent saving technology of oil pump;
抽油泵智能节电控制策略研究
6) sucker rod pump
抽油泵
1.
Determination of optimal jumping height of fixed valves of sucker rod pumps and its field application;
抽油泵固定阀球最佳跳动高度的确定
2.
Optimization design method to determine submergence depth of sucker rod pump;
有杆抽油泵沉没度的优化设计方法
3.
The present status of application and research and development prospects of sucker rod pumps;
有杆抽油泵使用与研究现状以及发展展望
补充资料：抽抽趔趔
1.犹言别别扭扭。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条