Coal fines can substantially influence coal seam gas reservoir permeability, thus impeding
the flow of gas in coal microstructure. The coal fines generation and migration are influenced …

Abstract The utilization of Underground Pumped Storage Power Systems (UPSP) addresses
the growing need for energy storage in the face of increasing intermittent energy sources …

Coal and gas outburst (outburst) is one of the most serious disasters in the underground
mining industry. Understanding the mechanism of outbursts is essential to predict and …

This paper focuses on analyzing the mechanical properties, permeability and energy
characteristics of limestone from coal measures strata of through-coal seam (TCS) tunnel in …

In the process of mining coalbed methane (CBM), an unsteady state often arises due to the
rapid extraction, release and pressure relief of CBM. In this case, the effective stress of coal …

Fractures are coalbed methane (CBM) migration pathways and key factors in determining
coal reservoir permeability. During the depletion of CBM wells, the increase of effective …

The permeability of coal reservoir is dynamically changed during CO 2 enhance coalbed
methane recovery projects (CO 2-ECBM) and is controlled by the two main influencing …

Gas slippage effect is one of the key factors which would influence gas seepage in coal. The
gas permeability of various rank coals under effective stresses are analyzed, and the …

Experimental studies on CO 2 flow behaviour in coal are generally performed on meso-
scale specimens (less than 100 mm in length), the results are not applicable at a larger …

The increase in effective stress and effective stress action time reduces the permeability of
rock fractures. XG underground gas storage systems are constructed in carbonate …