Gas diffusion is of great importance for coalbed methane (CBM) recovery and CO 2 storage
in coal seam. Most of the existing models of gas diffusion in coal particles are derived under …

Liquid nitrogen cyclic freezing-thawing fracturing (LNCFT) is an innovative method for the
waterless fracturing of coal and rock, harnessing the effects of low temperature, phase …

Hydraulic fracturing technology is widely utilized to enhance gas drainage efficiency in
underground coal mines. Water plays a crucial role in gas migration within coal after water is …

Coal and shale contain enormous natural gas resources. The reservoir structures are
complex, with an extensive distribution of micropores and nanopores, leading to intricate …

Gas extraction is one of the primary methods for guaranteeing secure coal mining and the
effective use of high-quality energy. It is crucial to study the CH 4 desorption and diffusion …

The tests on gas (CH 4 or CO 2) desorption-diffusion in coal particles, together with the
analytical unipore or bidisperse diffusion model, are widely used to study the gas diffusion …

CO2-enhanced coalbed methane (CO2-ECBM) is a key method for increasing CH4
production and CO2 storage. Researching the diffusion patterns of gases in coal is an …

Coal body desorption characteristics are one of the key factors that influence the
development of coalbed methane (CBM). In this study, 91 coal core samples from 11 CBM …

Since the diffusion coefficient is a key parameter to characterize the diffusion rate of
methane molecules, its measurement and solution have always been a research hotspot …

The effect of liquid nitrogen freeze–thaw fracturing on coal seams can be potentially
evaluated by the complex resistivity method. The real part (Reρ) and the imaginary part …