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OALib Journal期刊
ISSN: 2333-9721
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基于white模型的砂岩储层渗透率特性分析
Keywords: 砂岩储层,渗透率,速度频散,地震波衰减,波动方程正演
Abstract:
？针对不同固结程度的砂岩,从boit经典理论出发,基于white斑块饱和模型,应用数值模拟研究了渗透率对地震波衰减和速度频散的影响,分析了地震波垂直入射时渗透率对储层界面反射系数和相位的影响.结果表明:对于砂岩储层,渗透率对地震波衰减和速度频散有明显影响,尤其是中等压实砂岩储层和未固结砂岩储层,对渗透率变化非常敏感;渗透率对砂岩储层尤其中等压实砂岩储层界面反射系数和相位有明显影响,甚至会产生相位极性反转.
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