Research Article
CO2-Driven Hydraulic Fracturing Trajectories across a Preexisting Fracture
Table 1
The parameters used in simulations.
| | Parameters | Rock matrix | Bedding plane |
| | Average elastic modulus of REVs (GPa) | 36 | 18 | | Poisson’s ratio | 0.225 | 0.25 | | Average tensile strength of REVs (MPa) | 6.2 | 3.1 | | Average compressive strength of REVs (MPa) | 62 | 31 | | Initiate porosity | 0.01 | 0.015 | | Initiate permeability (m2) | 10-18 | | | Internal friction angle (rad) | 0.368 | 0.368 | | Initiate pore pressure (MPa) | 1 | 1 | | Heterogeneity coefficient | 6 | 6 |
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