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储层中裂缝既是储油空间,又是油气运移的主要通道,因此储层裂缝的研究显得尤为重要。主要研究了储层裂缝系统的成因,确定了基质流动系统和裂缝流动系统的岩石物性参数,评价了基质和裂缝孔隙度系统的相互影响及储集层的分类。另外,还简单介绍了岩心、露头、测井、试井、数值模拟等研究储层裂缝的几种方法。
The fractures in reservoirs are not only the oil storage space but also the main channel for hydrocarbon migration. Therefore, the study of reservoir fractures is particularly important. This paper mainly studies the causes of reservoir fracture system, determines the petrophysical parameters of the matrix flow system and fracture flow system, and evaluates the interaction between the matrix and fracture porosity system and the classification of reservoir. In addition, several methods to study reservoir fractures such as core, outcrop, well logging, well testing and numerical simulation are also briefly introduced.