【摘 要】
：
建立能够反映储层孔隙结构、流体特征的逾渗网络模型,通过数值模拟研究了储层孔隙尺寸、孔隙形状、连通性、微孔隙的发育状况等对I-Sw曲线影响的定性规律,研究了地层水矿化度
【机 构】
：
石油大学(华东)地球资源与信息学院
【基金项目】
：
the National Natural Science Foundation of China;
论文部分内容阅读
建立能够反映储层孔隙结构、流体特征的逾渗网络模型,通过数值模拟研究了储层孔隙尺寸、孔隙形状、连通性、微孔隙的发育状况等对I-Sw曲线影响的定性规律,研究了地层水矿化度对岩石电阻率的影响.分析讨论了不同因素对电阻率影响的相对强度.最后,通过曲线拟合定量地研究了不同因素对I-Sw曲线的影响规律.研究表明,在上述影响因素中连通性和微孔隙对I-Sw曲线的影响很大,其它因素的影响强度较小.地层水矿化度对岩石电阻率绝对值的影响很大."非阿尔奇"现象普遍存在,在低渗透(低连通性)储层岩石中更为明显.
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