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 …
coalbed methane reservoirs. The absolute permeability of coal reservoirs changes …
Geophysics from terrestrial time‐variable gravity measurements
In a context of global change and increasing anthropic pressure on the environment,
monitoring the Earth system and its evolution has become one of the key missions of …
monitoring the Earth system and its evolution has become one of the key missions of …
Permeability enhancement and porosity change of coal by liquid carbon dioxide phase change fracturing
X Liu, B Nie, K Guo, C Zhang, Z Wang, L Wang - Engineering Geology, 2021 - Elsevier
Liquid carbon dioxide phase change fracturing (LCPCF) technology can effectively increase
the coal permeability. In order to evaluate the influence of LCPCF on pore structure and …
the coal permeability. In order to evaluate the influence of LCPCF on pore structure and …
US DOE methodology for the development of geologic storage potential for carbon dioxide at the national and regional scale
A Goodman, A Hakala, G Bromhal, D Deel… - International Journal of …, 2011 - Elsevier
A detailed description of the United States Department of Energy (US-DOE) methodology for
estimating CO2 storage potential for oil and gas reservoirs, saline formations, and …
estimating CO2 storage potential for oil and gas reservoirs, saline formations, and …
Experimental studies on the changing characteristics of the gas flow capacity on bituminous coal in CO2-ECBM and N2-ECBM
L Zhang, J Li, J Xue, C Zhang, X Fang - Fuel, 2021 - Elsevier
Compared with the pre-modification technique, such as hydraulic fracturing, the gas injected
for enhanced coalbed methane recovery (ECBM) technique offers not only a good economic …
for enhanced coalbed methane recovery (ECBM) technique offers not only a good economic …
Cyclic N2 injection for enhanced coal seam gas recovery: a laboratory study
In this study, laboratory tests using six-cycles of nitrogen (N 2) injection were carried out to
investigate nitrogen flushing effect on coal seam gas recovery. In each test, N 2 was injected …
investigate nitrogen flushing effect on coal seam gas recovery. In each test, N 2 was injected …
Micro-structural Damage to Coal Induced by Liquid CO2 Phase Change Fracturing
The technology of liquid carbon dioxide phase change fracturing (LCPCF) was used to
enhance the permeability of coal seams. The combination of mechanical tests, scanning …
enhance the permeability of coal seams. The combination of mechanical tests, scanning …
Permeability prediction of coalbed methane reservoirs during primary depletion
S Liu, S Harpalani - International Journal of Coal Geology, 2013 - Elsevier
Permeability increase in coalbed methane (CBM) reservoirs during primary depletion,
particularly in the San Juan Basin, is a well accepted phenomenon. It is complex since it is …
particularly in the San Juan Basin, is a well accepted phenomenon. It is complex since it is …
Asynchronous difference in dynamic characteristics of adsorption swelling and mechanical compression of coal: Modeling and experiments
Sorption-induced strain of coal is vital to the prediction of coal bed methane production and
stimulation. Previous studies have addressed the relationship between strain and …
stimulation. Previous studies have addressed the relationship between strain and …
Injecting pure N2 and CO2 to coal for enhanced coalbed methane: experimental observations and numerical simulation
Enhanced coalbed methane (ECBM) core flooding experiments are a direct way to observe
the gas displacement process, the competitive adsorption and the effect of coal swelling and …
the gas displacement process, the competitive adsorption and the effect of coal swelling and …