Determination of the effective stress law for deformation in coalbed methane reservoirs

Keyphrases

• Coalbed Methane Reservoir 100%
• Effective Stress Principle 100%
• Matrix Shrinkage 60%
• Swelling-shrinkage 60%
• Compressibility 40%
• External Stress 40%
• Pore Pressure 20%
• Effective Stress 20%
• Gas Pressure 20%
• Law 20%
• Elastic Behavior 20%
• Gas Production 20%
• Bulk Material 20%
• Biot Coefficient 20%
• Elastic Response 20%
• One-variable 20%
• Stress-strain Relationship 20%
• Sorptive Material 20%
• Swelling Effect 20%
• Swelling Stress 20%
• Stress Variation 20%

Engineering

• Effective Stress 100%
• Coalbed Methane Reservoir 100%
• Compressibility 33%
• External Stress 33%
• Experimental Result 16%
• Gas Production 16%
• Gas Pressure 16%
• Bulk Material 16%
• Elastic Response 16%
• Strain Relationship 16%