Research Article
Continuum Damage Modeling of Hydraulic Fracture from Perforations in Horizontal Wells
Table 1
Reservoir properties and well parameters.
| | Parameters | Values |
| | Young’s modulus of rock (GPa) | 21.5 | | Poisson’s ratio of rock | 0.23 | | Biot coefficient | 0.65 | | Permeability (m2) | 3.0×10−15 | | Tensile strength (MPa) | 3.0 | | Residual strength coefficient | 0.15 | | Mutation coefficient | 10.0 | | Coupling coefficient | 0.025 | | Wellbore diameter (mm) | 178 | | External diameter of the casing (mm) | 178 | | Internal diameter of the casing (mm) | 164 | | Young’s modulus of casing (GPa) | 210 | | Poisson’s ratio of casing | 0.21 | | In situ stress factor | 0.3 |
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