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3D reconstruction of coal pore network and its application in CO2-ECBM process simulation at laboratory scale
Three-dimensional (3D) reconstruction of the equivalent pore network model (PNM) using X-ray computed tomography (CT) data are of significance for...
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Effect of permeability and its horizontal anisotropy on enhanced coalbed methane recovery with CO2 storage: quantitative evaluation based on staged CH4 output inhibition
The permeability and its horizontal anisotropy induce a critical influence on staged CH 4 output inhibition process. However, a quantitative...
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Geochemical characteristics of produced fluids from CBM wells and their indicative significance for gas accumulation in Daning-Jixian block, Ordos Basin
The Daning-Jixian block, the eastern edge of the Ordos Basin, is one of the most potential areas for CO 2 geological storage, enhanced coalbed methane...
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A model of cement-formation interface failure length in supercritical CO2-ECBM and storage injection well considering the coal swelling effect under high pressure
The swelling effect of high-pressure carbon dioxide (CO 2 ) in coal seam is obvious. In the restrained deep formation, it is converted to stress acting...
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Competitive sorption and diffusion of methane and carbon dioxide mixture in Carboniferous-Permian anthracite of south Qinshui Basin, China
A comprehensive understanding of the migration and competitive adsorption of methane and carbon dioxide in coal is crucial for the injection...
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Reasonable start time of carbon dioxide injection in enhanced coalbed methane recovery involving thermal-hydraulic-mechanical couplings
Injection of gas (CO 2 ) into coal seams is an effective method to benefit from both CO 2 geological storage and coalbed methane recovery. Based on the...
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CH4 and CO2 Adsorption Characteristics of Low-Rank Coals Containing Water: An Experimental and Comparative Study
Adsorption characteristics of CO 2 –CH 4 –H 2 O-coal matrix systems are extremely important for investigating geological CO 2 -storage and enhanced coalbed...
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Practice and Prospect of Carbon Dioxide Geological Storage Drilling and Completion Technology
In order to implement the national major decision-making deployment of ‘carbon peak, carbon neutralization’ and make the carbon released back to the...
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Effective means to alleviate the greenhouse effect: case study of history match simulations on a brief CO2 injection into less-deep low-rank coal seams
Injecting carbon dioxide into coal seams for storage is an effective means to solve environmental problems such as the greenhouse effect. A history...
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CO2 Sequestration and Enhanced Coalbed Methane Recovery: Worldwide Status and Indian Scenario
In the current world, deep-seated coal deposits are considered the high-capacity sink site for the storage of anthropogenic carbon dioxide (CO2). For...
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A study on the carbon dioxide injection into coal seam aiming at enhancing coal bed methane (ECBM) recovery
Coal seams, particularly deep unmineable coal reservoirs, are the most important geological desirable formations to store CO 2 for mitigating the...
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Experimental Research on Adsorption Kinetic Characteristics of CH4, CO2, and N2 in Coal from Junggar Basin, China, at Different Temperatures
The adsorption kinetic characteristics of CH 4 , CO 2 , and N 2 in coal provide crucial information for increasing coal seam gas recovery. In this study,...
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CO2 storage capacity of anthracite coal in deep burial depth conditions and its potential uncertainty analysis: a case study of the No. 3 coal seam in the Zhengzhuang Block in Qinshui Basin, China
The storage of CO 2 in deep unminable coal seams can mitigate greenhouse gas emissions. However, CO 2 storage in deep anthracite coal is complex with...
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Physical Simulations of Gas Production Mechanism in Constant-Rate Co-production from Multiple Coal Reservoirs
Coalbed methane co-production is an efficient technique for producing gas from multiple coal reservoirs. In this study, four large-scale specimens...
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Critical tectonic events and their geological controls on deep buried coalbed methane accumulation in Daning-Jixian Block, eastern Ordos Basin
Commercial exploration and development of deep buried coalbed methane (CBM) in Daning-Jixian Block, eastern margin of Ordos Basin, have rapidly...
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Environmental and safety issues associated with geological carbon storage: a review
Excessive use of fossil fuels and other anthropogenic activities associated with industrialization have further deteriorated the earth’s atmosphere,...
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Experimental study of the adsorption-induced coal matrix swelling and its impact on ECBM
Carbon dioxide (CO 2 ) enhanced coalbed methane (ECBM) is an effective method to improve methane (CH 4 ) production and this technology has already been...
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Numerical simulation of enhancing coalbed methane recovery by injecting CO2 with heat injection
The technology used to enhance coalbed methane (CBM) recovery by injecting CO 2 (CO 2 -ECBM) with heat, combining heat injection with CO 2 injection, is...
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Analogically Physical Simulation of Coalbed–Caprock Deformation in Geological Storage of CO2
CO 2 -enhanced coalbed methane (CO 2 -ECBM) can not only reduce greenhouse gas by geological storage of CO 2 remarkablely, but also increase the recovery...
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Experimental and Simulation Investigation of N2 Enhanced Gas Drainage in Low Permeable Coal Seam
The performance of pre-gas drainage in low permeable seams especially in CO2 abundant coal seams is not satisfied. Due to the high affinity between...