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摘要
A unified permeability evolution model is proposed to capture the evolution of permeability induced by stress. This model is formulated within a conventional permeability-porosity power function, with special attentions being paid to the effects of shear deformation-induced tortuosity and compaction-induced closure of fissures through a permeability resistance parameter. This model contains a small amount number of parameters, which can be calibrated based on conventional experiments. The proposed model is validated through comparison between model simulation and experimental results for sandstones under a wide range of confining pressures. Good performance demonstrates the capability of the proposed permeability evolution model.
- 出版日期2016-2
- 单位温州大学
