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抽油机井有杆果采油装置检泵故障数据的特点在于相邻两次检泵间隔之间的时间并非总是来自同一总体，可能有某种趋势的变化。通过对故障数据的趋势性检验，可验证其对某一随机过程模型的适应性，从而判定某一口井或某一批工况大致相同油井的运行可靠性，实现对生产井运行可靠性的定量评估。还通过实例说明了有杆泵抽油系统检泵故障数据的可靠性分析方法。
The characteristics of the pump failure data of the pumping plant with the pole oil recovery unit are that the time between the two adjacent pumping intervals does not always come from the same population, and there may be some trend change. Through the trend test of the fault data, its adaptability to a stochastic process model can be verified, so as to determine the operation reliability of the same well in a certain well or a batch of working conditions, so as to realize the quantitative determination of the operation reliability of the production well Evaluation. An example is also given to illustrate the reliability analysis method of pump failure data in sucker rod pumping system.