Model for non-equilibrium evolution coal permeability of whole process under influences of gas pressure difference

During the process of coalbed methane (CBM) extraction, gas pressure difference will exist for a long time due to different permeabilities between fracture and matrix, which makes coal in non-equilibrium state. The interaction between matrix and fracture in non-equilibrium state is constantly changi...

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Hlavní autor:	XIAO Zhiyong 1, 2 , SUN Xiaoxiang 2, WANG Gang 3, WANG Mingzhen 2, JIA Wenwen 2, JIANG Feng 2, ZHENG Chengcheng 2
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	Editorial Office of Chinese Journal of Geotechnical Engineering 2025-02-01
Edice:	Yantu gongcheng xuebao
Témata:	gas pressure difference non-equilibrium state matrix bridge permeability coalbed methane extraction
On-line přístup:	https://www.cgejournal.com/en/article/doi/10.11779/CJGE20231012
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