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储层孔隙结构分形特征与损害研究

Keywords: 孔隙结构,连通喉道,分形,水锁,应力敏感性,储层损害

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Abstract:

?采用泡压法测试得到储层岩石的孔隙结构特征,其包含多种储层损害内部和外部控制因素,能够反映连通喉道渗流分布特征,在此基础上建立分形维数计算方法,并对孔隙结构进行描述;进行水锁实验和应力敏感性实验,研究分形特征与储层损害之间的相关性,实验结果显示分形维数越大,水锁损害率和应力敏感损害率越高。

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