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STUDY OF THE EFFECT OF CAPILLARY PRESSURE ON PERMEABILITY

YANJUN LIU

Department of Physics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, China

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BOMING YU

Department of Physics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, China

Corresponding author.

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PENG XU

Department of Physics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, China

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, and

JINSUI WU

Department of Physics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, China

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https://doi.org/10.1142/S0218348X07003368Cited by:15 (Source: Crossref)

Abstract

A fractal permeability model which accounts for the capillary pressure is derived, and the permeability contribution from the capillary pressure is analyzed. The predicted permeability is compared with the available experimental data, and good agreement is found between the present model predictions and available experimental data. The results show that at low porosity (< 0.35), the capillary pressure has the significant influence on the total permeability, and the capillary pressure effect cannot be neglected. But at high porosity (> 0.35), the effect of capillary pressure on permeability is insignificant.

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