In this paper, the compositions, working principles and its advantages and shortcomings of automatic control system for a single-well pumping installation are presented.
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。
According to the failure site data of the well pumping unit in active service, its life statistical model is determined and the service reliability is evaluated quantitatively.
由在役抽油机故障的现场数据来判定其寿命统计模型，实现对抽油机使用可靠性的定量评定。
In view of the selection of measuring projects and methods for distributed oil well pumping units, the comparative research is stated.
针对分散式抽油机井测量项目和测量方式的选取，提出比较性研究。
But BP's engineers are now considering another option to close the well -pumping mud through the cap that has stopped the flow of oil for the past 8 days.
但是BP工程师正在考虑另外一个方法来封闭破裂的油井。过去八天，控油罩已经成功地阻止了石油泄漏。
But BP's engineers are now considering another option to close the well -pumping mud through the cap that has stopped the flow of oil for the past 8 days.
但是BP工程师正在考虑另外一个方法来封闭破裂的油井。过去八天，控油罩已经成功地阻止了石油泄漏。
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