tri-cavity pump 三腔抽油泵
complex cavity pump 复合腔抽运
Progressive cavity pump well 螺杆泵井
progressing cavity pump well 螺杆泵井
single progressive cavity pump 单螺杆泵
Progressive cavity pump(PCP) is a kind of devices extensively used in oilfield production.
螺杆泵是一种广泛应用于油田采油工程中的人工举升装置。
参考来源 - 基于温胀和溶胀特性的螺杆泵定子型线设计·2,447,543篇论文数据，部分数据来源于NoteExpress
In the light of the key technique of the down-hole driven progressive cavity pump (PCP) for oil production, a power distributional planetary reducer is proposed.
针对井下驱动螺杆泵的关键技术问题，提出了用于井下直接驱动螺杆泵的功率分流式行星减速器。
Performance characteristic and stress condition were analyzed in the process of progressive cavity pump well startup and a startup torque dynamic model was established.
对启动过程中单螺杆泵的运动特点和受力情况进行分析，建立了该系统启动扭矩动力学模型。
As the increase of the pressure difference, the contact pressure increases, the contact pressure of iso-wall thickness progressive cavity pump is larger than that of common one.
随着压差的增加接触压力相应增加，等壁厚螺杆泵比普通螺杆泵接触压力大；
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