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传统的Arps产量递减分析方法要求事先选定递减规律的初始时间、初始产量及初始递减率,事实上这些参数是很难确定的。实际应用时不得不人为地加以臆断而使得此方法带有不确定性.为此提出了产量递减规律的诊断方法。应用诊断曲线很容易确定递减规律的模型参数,克服常规方法的不足。通过选用参考时间、参考产量和参考递减率,使得递减分析方法具有一定的灵活性和优越性、该方法简便、实用。
The traditional Arps production decline analysis requires the prior selection of the initial time, initial production and initial decline rate of the decrement rule, in fact these parameters are difficult to determine. The practical application has to be artificially assumed and makes this method with uncertainty. For this reason, a method of diagnosing the law of decreasing production is proposed. Using the diagnostic curve it is easy to determine the decreasing regularity of the model parameters to overcome the deficiencies of the conventional methods. By choosing reference time, reference output and reference decreasing rate, the descending analysis method has some flexibility and superiority. The method is simple and practical.