Abstract
The fractured media is the important storage and migration space of underground oil and gas in petroleum engineering. Because of the complex spatial distribution of fractured media, it brings enormous difficulties to numerical analysis of fractured formation permeability. Based on the fractal geometry theories, regarding fractal fracture as the basic model of describing the fractured medium distribution, building the fractal description model of multiple fracture permeability system whose strike angle and dip angle are different, according to the relationship between fracture occurrences (strike angle, dip angle) and ground stress field, building the calculation model of fractal fractured permeability tensors in the local principal stress coordinate system, and realizing the projection mapping of fractal fracture permeability in the whole geographic coordinates. Accounting for the fractal fracture permeability in different coordinate systems by taking Budate Group in Beier Depression of Hailare Oilfield as an example.
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National Natural Science Foundation of China (Nos. 51490650 and No. 51774093) is gratefully acknowledged.
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Zhao, H. et al. (2020). Research on the Permeability Model of Fractal Fractured Media in 3D Coordinate System. In: Okada, H., Atluri, S. (eds) Computational and Experimental Simulations in Engineering. ICCES 2019. Mechanisms and Machine Science, vol 75. Springer, Cham. https://doi.org/10.1007/978-3-030-27053-7_98
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DOI: https://doi.org/10.1007/978-3-030-27053-7_98
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