Laboratory experiments of CO2-enhanced coalbed methane recovery considering CO2 sequestration in a coal seam

C Zhang, E Wang, B Li, X Kong, J Xu, S Peng, Y Chen - Energy, 2023 - Elsevier
CO 2-enhanced coalbed methane (CO 2-ECBM) recovery has the triple benefits of
recovering clean resources, ensuring coal mine safety, and achieving CO 2 geological …

[HTML][HTML] Response characteristics of gas pressure under simultaneous static and dynamic load: Implication for coal and gas outburst mechanism

L Shu, L Yuan, Q Li, W Xue, N Zhu, Z Liu - International Journal of Mining …, 2023 - Elsevier
Coal and gas outbursts are dynamic disasters in which a large mass of gas and coal
suddenly emerges in a mining space within a split second. The interaction between the gas …

Effects of CO2 intrusion on pore structure characteristics of mineral-bearing coal: Implication for CO2 injection pressure

X Wang, D Zhang, J Geng, Z Jin, C Wang… - Journal of Natural Gas …, 2022 - Elsevier
CO 2 intrusion has a crucial effect on the pore structure of mineral-bearing coal. In this study,
we selected long flame coal, lean coal, and anthracite after CO 2 adsorption at different …

Mechanical and gaseous properties of coal briquettes in terms of outburst risk

N Skoczylas, B Dutka, J Sobczyk - Fuel, 2014 - Elsevier
Scientific research often require application of samples with repeatable properties. This
demand is difficult to fulfill especially in case of experiments concerning coals. Therefore, a …

Effects of pore structure changes on the CH4 adsorption capacity of coal during CO2-ECBM

S Liu, H Wang, S Sang, T Liu, S Zheng - Fuel, 2022 - Elsevier
The effects of supercritical CO 2 (scCO 2) on pores in coal play a critical role in determining
the CH 4 adsorption and desorption characteristics and CO 2 capacity of coal seams during …

Effects of supercritical CO2 on micropores in bituminous and anthracite coal

S Liu, S Sang, J Ma, T Wang, Y Du, H Fang - Fuel, 2019 - Elsevier
The effects of supercritical CO 2 (ScCO 2) on coal micropores play a critical role in
determining the CO 2 capacity of coalbeds. To investigate the effects of ScCO 2 on …

Experimental investigation of CO2 injection into coal seam reservoir at in-situ stress conditions for enhanced coalbed methane recovery

Z Liu, Y Cheng, Y Wang, L Wang, W Li - Fuel, 2019 - Elsevier
CO 2 geological sequestration is an effective method to reduce the concentration of CO 2 in
the atmosphere. The injection of CO 2 into CH 4-containing coal seams also named CO 2 …

Experimental study on permeability stress sensitivity of reconstituted granular coal with different lithotypes

Y Geng, D Tang, H Xu, S Tao, S Tang, L Ma, X Zhu - Fuel, 2017 - Elsevier
Coal permeability has been identified as one of the key factors affecting coalbed methane
(CBM) extraction. CBM drainage and hydraulic fracturing usually lead to coal fines output …

Comparison of fracture and permeability between tectonically deformed coal and briquette coal using x-ray computer tomography and the lattice Boltzmann method

X Wang, J Pan, Z Deng, Q Xu, N Cheng… - Natural Resources …, 2023 - Springer
Coal and gas outburst mainly occurs in tectonically deformed coal (TDC). TDC has low
strength and is difficult to core; thus, it is often replaced by briquette coal (BC) for research …

Comparison of enhanced coalbed methane recovery by pure N2 and CO2 injection: Experimental observations and numerical simulation

L Wang, Z Wang, K Li, H Chen - Journal of Natural Gas Science and …, 2015 - Elsevier
Enhanced coal bed methane recovery (ECBM) displacement simulation experiments are a
direct way to research on the gas displacement process. We carried out two sets of ECBM …