喇萨杏油田特高含水期油井关井界限研究
Shiyou Xuebao/Acta Petrolei Sinica（2006）
Abstract
高含水关井是油田开发后期的重要措施,研究其界限对油田开发后期调整具有重要作用.从油田上常用的甲、乙型曲线和西帕切夫曲线出发,推出了相应的微分方程形式,建立了含水预测方法,与传统公式相比,运用该方法更能掌握含水指标随时间变化的详细过程,从而预测含水率等开发指标;并预测了喇萨杏油田不同经济条件下高含水井数及变化趋势,从分析油层非均质性引起的层间含水差异入手,以分层预测为基础,给出了油田关井界限计算方法.
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Key words
Developing adjustment,Economic evaluation,High water-cut,Prediction model,Shut-in limit of oil well
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