Rough-walled discrete fracture network modelling for coal characterisation

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• 作者：Yu Jing ; Ryan T. Armstrong ; Peyman Mostaghimi ; ^{peyman@unsw.edu.au}
• 关键词：Digital rock ; Micro-computed tomography ; Discrete fracture network ; Fracture roughness ; Coal seam gas
• 刊名：Fuel
• 出版年：2017
• 出版时间：1 March 2017
• 年：2017
• 卷：191
• 期：Complete
• 页码：442-453
• 全文大小：3220 K
• 卷排序：191

文摘

A method for extracting fracture surfaces from micro-CT images is developed. The roughness of fracture surfaces is quantified. Rough-walled discrete fracture network models are developed. Overestimation of permeability based on conventional DFN models is addressed.