Research Article
Effect of Brittle Mineral Size on Hydraulic Fracture Propagation in Shale Gas Reservoir
Table 2
Physicomechanical parameters employed in the simulation.
| | Mold | Parameters | Notations | Values |
| | Particle | Density (kg/m3) | | 2680 | | Young’s modulus (GPa) | E | 35 | | Ratio of normal to shear stiffness | | 1.5 | | Friction coefficient | f | 0.4 |
| | Parallel bond | Tensile strength (MPa) | | 60 | | Ratio of normal to shear stiffness | | 1.5 | | Shear strength (MPa) | | 110 | | Young’s modulus (GPa) | | 35 | | Radius multiplier | | 1 | | Moment contribution factor | | 1 |
| | Hydraulic properties | Bulk modulus of the fracturing fluid (GPa) | | 2 | | Viscosity (Pa·s) | | 1.0 × 10−3 | | Initial hydraulic aperture (m) | | 1.0 × 10−6 | | Permeability (m2) | | 1.0 × 10−17 | | Velocity (m3/s) | v | 1.5 × 10−4 |
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