Long-term effect of desorption-induced matrix shrinkage on the evolution of coal permeability during coalbed methane production

Earth & Environmental Sciences

• adsorption 6%
• bulk modulus 6%
• calculation 2%
• coal 50%
• coalbed methane 92%
• desorption 67%
• effect 3%
• effective stress 10%
• gas 7%
• long-term change 5%
• long-term effect 81%
• matrix 45%
• mechanical property 4%
• permeability 51%
• pore pressure 4%
• porosity 3%
• pressure effect 6%
• sensitivity analysis 4%
• strain rate 4%
• swelling 4%
• two phase flow 5%
• water 1%

Engineering & Materials Science

• Adsorption 10%
• Coal 62%
• Coal bed methane 100%
• Desorption 86%
• Elastic moduli 9%
• Gas adsorption 16%
• Gases 12%
• Mechanical properties 7%
• Pore pressure 13%
• Porosity 9%
• Pressure effects 14%
• Sensitivity analysis 9%
• Strain rate 9%
• Swelling 12%
• Two phase flow 11%
• Water 5%