本文介绍单井自动控制抽油装置的组成、工作原理及其优缺点。

In this paper, the compositions, working principles and its advantages and shortcomings of automatic control system for a single-well pumping installation are presented.

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重点阐述了与车载抽油装置相配套的分体式捞油泵及捞油井口的基本结构和工作原理。

The basic structure and work principle of the fishing oil pump & fishing oil wellhead that are necessary accessories of the…

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介绍了新型液力抽油装置的组成及液压驱动系统的工作原理，该装置综合了液压有杆抽油装置和水力活塞泵抽油装置两方面的优点。

The structure compositions of a new type of hydraulic driving pumping oil installation and the working principle of its hydraulic driving system are introduced.

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