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

2015 ◽  
Vol 23 ◽  
pp. 363-372 ◽  
Author(s):  
Liguo Wang ◽  
Zhaofeng Wang ◽  
Kaizhi Li ◽  
Haidong Chen
Keyword(s):  
Numerical Simulation ◽  
Coalbed Methane ◽  
Co2 Injection ◽  
Methane Recovery ◽  
Enhanced Coalbed Methane Recovery ◽  
Enhanced Coalbed Methane

scholarly journals A dynamic evolution model of coal permeability during enhanced coalbed methane recovery by N2 injection: experimental observations and numerical simulation

RSC Advances ◽  
2021 ◽  
Vol 11 (28) ◽  
pp. 17249-17258
Author(s):  
Bo Li ◽  
Junxiang Zhang ◽  
Zhiben Ding ◽  
Bo Wang ◽  
Peng Li
Keyword(s):  
Numerical Simulation ◽  
Effective Stress ◽  
Coalbed Methane ◽  
Evolution Model ◽  
Dynamic Evolution ◽  
Combined Effects ◽  
Methane Recovery ◽  
Coal Permeability ◽  
Enhanced Coalbed Methane Recovery ◽  
Enhanced Coalbed Methane

A dynamic evolution model of coal permeability during CH4 displacement by N2 injection was proposed, considering the combined effects of matrix swelling/shrinkage and effective stress, for providing a reference on N2-ECBM.

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