Micro-fractures in coal induced by high pressure CO₂ gas fracturing

Keyphrases

• CO2 Gas 100%
• Microfracture 100%
• High Pressure CO2 100%
• Gas Drainage 100%
• CO2 Gas Fracturing 100%
• Coal Seam 66%
• Cleat System 66%
• High Velocity 33%
• Field Emission Scanning Electron Microscopy (FE-SEM) 33%
• Overpressure 33%
• Zigzag 33%
• Fracture System 33%
• Coal Matrix 33%
• Size Particle 33%
• Matrix Degradation 33%
• Gas Jet 33%
• Meter Scale 33%
• Anthracite 33%
• Millimeter-sized 33%
• Scanning Electron Microscope Image 33%
• Tensile Deformation 33%
• Micrometer Scale 33%
• Blast Loading 33%
• Complex Fracture Network 33%
• Radial System 33%
• Impact Load 33%
• Loading Experiment 33%
• Fracturing Mechanism 33%

Engineering

• Cleat System 100%
• Microfracture 100%
• Coal Seam 100%
• Field Emission Scanning Electron Microscope 50%
• Impact Loads 50%
• Fracture System 50%
• Fracture Network 50%
• Centimeter 50%
• Anthracite 50%
• Tensile Deformation 50%
• Blast Loading 50%
• Matrix Damage 50%

Earth and Planetary Sciences

• Tensile Deformation 14%
• Impact Loads 14%