Gas diffusion in coal particles: A review of mathematical models and their applications

W Zhao, Y Cheng, Z Pan, K Wang, S Liu - Fuel, 2019 - Elsevier
As key flow properties for coalbed methane production, greenhouse gas reduction through
CO 2 storage in coal and gas drainage to improve mining safety, knowledge of gas diffusion …

Modelling permeability for coal reservoirs: a review of analytical models and testing data

Z Pan, LD Connell - International Journal of Coal Geology, 2012 - Elsevier
As with other reservoir types permeability is a key controlling factor for gas migration in
coalbed methane reservoirs. The absolute permeability of coal reservoirs changes …

Characterization of pore systems in seal rocks using nitrogen gas adsorption combined with mercury injection capillary pressure techniques

M Schmitt, CP Fernandes, JAB da Cunha Neto… - Marine and Petroleum …, 2013 - Elsevier
Porous microstructure parameters of seal rock samples originating from different depths
within Brazilian geological formations were correlated to empirical models which predict the …

Permeability evolution during progressive deformation of intact coal and implications for instability in underground coal seams

S Wang, D Elsworth, J Liu - International Journal of Rock Mechanics and …, 2013 - Elsevier
We report measurements of deformation, strength and permeability evolution during triaxial
compression of initially intact coals. Permeability is continuously measured by the constant …

A critical review of coal permeability models

Q Gao, J Liu, Y Huang, W Li, R Shi, YK Leong… - Fuel, 2022 - Elsevier
The evolution of coal permeability is very complex under the influence of coupled multiple
processes. This is the primary motivation why numerous coal permeability models have …

CO2 gas fracturing: A novel reservoir stimulation technology in low permeability gassy coal seams

Y Cao, J Zhang, H Zhai, G Fu, L Tian, S Liu - Fuel, 2017 - Elsevier
Coal mine methane (CMM) is one of the major safety hazards in China's gassy coal mines.
To prevent the gas related mining hazards, effective gas drainage is a pivot technology to …

Potential for mine water disposal in coal seam goaf: Investigation of storage coefficients in the Shendong mining area

H Song, J Xu, J Fang, Z Cao, L Yang, T Li - Journal of Cleaner Production, 2020 - Elsevier
Water resource shortages and coal mine water disposal create major challenges faced by
Northwest China. This study investigated the idea of building underground reservoirs in coal …

Model development and analysis of the evolution of coal permeability under different boundary conditions

S Lu, Y Cheng, W Li - Journal of Natural Gas Science and Engineering, 2016 - Elsevier
Coal permeability is an important parameter for coalbed methane (CBM) production and CO
2-enhanced coalbed methane (ECBM) recovery. Coal permeability is mainly controlled by …

Thermodynamics, kinetics and modeling of sorption behaviour of coalbed methane–A review

S Chattaraj, D Mohanty, T Kumar, G Halder - Journal of Unconventional Oil …, 2016 - Elsevier
The gradual depletion of the conventional energy reserves and ever growing energy
demand has been the matter of global concern over the last few decades. Shrinking coal …

Why coal permeability changes under free swellings: New insights

Y Peng, J Liu, M Wei, Z Pan, LD Connell - International Journal of Coal …, 2014 - Elsevier
Coal permeability models are derived normally under three common assumptions:(1)
uniaxial strain;(2) invariant total stress; and (3) local equilibrium. Experimental …