量本利分析与油井措施决策

Production-Cost-Profit Analysis and Well Stimulation Decision Making

应用量本利分析的基本原理和油藏工程方法,分析了油井增产措施的成本构成,建立了油井措施临界增油量模型、措施投资上限模型、措施产油量临界销售价格模型。针对油田后期老井措施投入高、决策风险难度大的特点,首次引入了老井措施临界平衡点作业率和油井措施安全边际率的概念和分析模型。给出了油井措施决策一般程序,并列举了实例。系列模型符合油井措施过程中的经济运行规律,对老油田措施综合调整提供了一种评价决策手段。

By ap plying basic theory of production-cost-profit analysis and reservoir engineeri ng method,the cost structure of well stimulation is analyzed,the critical IOR model,investment ceiling model and production critical sale price model are de veloped.Based on high invest-ment of old well stimulation and greater risk in decision making,the concepts and analytical models of old well stimulation cri tical balance point operational efficiency and well stimulation safety marginal production rate are introduced for the first time.According to the practical e xperience,a general procedure for well stimulation decision making is presented ,and some cases are given.The study shows that results from these models acco rd with the economical operational law for the well stimulation,hence they prov ide useful tools for evaluation/imple-mentation of old oilfield stimulation a nd integrated adjustment.