尺度放大时逾渗模型中的油气运移路径变化规律探讨

doi:10.11743/ogg20070207

Abstract

Abstract:

Under the hypothesis that hydrocarbon migration conforms to the description of percolation theory,the relationship between the saturation of invading fluid(the percentage of the migration pathway to the whole lattice) and the width,length,and dimension of the simulation lattice is studied by means of up-scaling and mathematical simulation.The result indicates that,instead of exerting influence upon the numerically simulated secondary migration pathways of hydrocarbon,the size of the simulation lattice has an impact on the saturation of invading phase,which is found to have an exponential relation with the width of the lattice but no connection with the length of the lattice.The discovery of the rule provides sound theoretical basis for the application of the percolation theory in the study of basins.

Key words: mathematical simulation, percolation, hydrocarbon migration, scale, hydrocarbon migration pathway, simulation lattice

CLC Number:

TE112

Zhou Bo, Jin Zhijun, Luo Xiaorongi, Wang Yi, Zhang Faqiang. Changing patterns of hydrocarbon migration pathway in a up-scaling percolation model[J]. Oil & Gas Geology, 2007, 28(2): 175-180.

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Changing patterns of hydrocarbon migration pathway in a up-scaling percolation model

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