准噶尔盆地西北缘断裂体系分形特征与油气藏分布

doi:10.11743/ogg20060412

Abstract

Abstract:

Study of fault system with the fractal theory reveals that the plane distribution of the faults has fractal characteristics in the northwest margin of Jungaar basin.Fault systems with larger fractal dimension consist of better developed and less evenly distributed faults.Based on this understanding,the relationship between the nature and trend of the faults and the fractal dimensions has been explored.The normal faults in the region are dominated by NW-trending faults,with strong self-similarity and larger fractal dimension(0.5623) than that of NE trending normal faults(0.5611).While the reverse faults are dominated by NE-trending faults,with strong self-similarity and larger fractal dimension(1.1356) than that of NW-trending reverse faults(0.9880).Reservoirs with well developed faults have larger fractal dimension(1.9640) than those without faults(1.7630),and reservoirs with reverse faults have a fractal dimension(1.9540) much larger than those with normal faults(1.1460).

Key words: fractal dimension, fault system, reservoir, northwest margin of Jungaar Basin

CLC Number:

TE111.2

Chen Xin, Lu huafu, Pu Shizhao, Chen Zhongmin, Li Shihong. Fractal characteristics and reservoir distribution of fault system in the northwest margin of Jungar basin[J]. Oil & Gas Geology, 2006, 27(4): 517-521.

References

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Fractal characteristics and reservoir distribution of fault system in the northwest margin of Jungar basin

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