建立了游梁抽油机和新型节能抽油机的参数数据库，为实现对有杆抽油泵系统的仿真研究奠定了基础。
The parameter data-base of the beam pumping unit and the newly energy-saving pumping unit is established, which lay a solid foundation for the simulation of the rod pumping system.
抽油泵防砂是钻采系统防砂的一个重要环节。
The sand control of oil well pump is very important for drilling-production system.
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。
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.
将直线电机与抽油泵结合起来置于井下工作，有利于提高系统效率和节能。
The system combined with the linear motor and mining pump helps improve system efficiency and conservation.
将直线电机与抽油泵结合起来置于井下工作，有利于提高系统效率和节能。
The system combined with the linear motor and mining pump helps improve system efficiency and conservation.
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