本文论述了在石油勘探开发中利用现金流动曲线和盈利率DCFR来分析油田开发经济效益的方法。主要是利用曲线分类,大致判别整体的经济基本状态和可能的发展趋势;另一方面利用曲线的各特征值,如最大投资额、最大盈利额、投资回收期以及盈利率等来定量地判断系统的经济效益。这一些在对我国十三个油气田经济分析中得到了实际应用并取得了良好的结果。 This paper discusses the method of using the cash flow curve and the profitability DCFR to analyze the economic benefits of oilfield development in petroleum exploration and development. Mainly the use of curve classification, the general state of the economy to determine the basic state and possible trends; the other hand, the use of the curve of the eigenvalues, such as the maximum amount of investment, maximum profitability, payback period and profitability to quantitatively determine the system The economic benefits. Some of these have been put into practical application in the economic analysis of thirteen oil and gas fields in our country and achieved good results.