摘要:针对安塞油田沿河湾区目前油水层识别存在的问题,本文运用测井、分析化验、试油及生产动态等资料,采用数理统计等多种数学方法,对储层“四性关系”进行了揭示,最终建立了长2和长6储层四性关系模型,确定长2和长6岩性下限均为细砂岩,长2物性下限分别为孔隙度大于12%,渗透率大于0.3×10^-3μm^2,长6物性下限为孔隙度大于8%,渗透率大于0.15×10^-3μm^2。确定长2砂组油水同层电性下限标准分别为:ILD大于16(Ω·m)、Soi大于40%,长6砂组油水同层电性下限标准分别为:ILD大于22(Ω·m)、Soi大于32%,该研究成果可为油水层定量识别及下一步开发调整提供依据。
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