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Table 1 Model parameters for the evaluation of the subsurface stress field using MACRIS and the uniaxial solution for reservoir compaction
Parameter | Symbol | Unit | Value |
|---|---|---|---|
Fault dip | \(\theta\) | \(^\circ\) | 70 |
Vertical stress gradient | \(\Delta \sigma_{v} /\Delta z\) | \({\text{MPa}}/{\text{km}}\) | 22 |
Effective stress ratio \(\sigma_{{\text{h}}} /\sigma_{v}\) | \(k_{{0,{\text{eff}}}}\) | – | 0.51 |
Horizontal stress ratio | \(\sigma_{{\text{H}}} /\sigma_{{\text{h}}}\) | – | 0.9 |
Hydrostatic gradient | \(\Delta \sigma_{{{\text{hs}}}} /\Delta z\) | \({\text{MPa}}/{\text{km}}\) | 10.32 |
Linear thermal expansion coefficient | \(\alpha\) | \(^\circ {\text{C}}^{ - 1}\) | \(1e^{ - 5}\) |
Biot coefficient | \(\beta\) | – | 1 |
Poisson ratio | \(\nu\) | – | 0.2 |
Young’s modulus | \(E\) | \({\text{GPa}}\) | 15 |
Friction angle | \(\phi\) | \(^\circ\) | 31 |
Permeability | \(k\) | \({\text{mD}}\) | 500 |
Initial reservoir temperature | \(T_{{{\text{initial}}}}\) | \(^\circ {\text{C}}\) | 81.3 |
Injection temperature | \(T_{{{\text{inj}}}}\) | \(^\circ {\text{C}}\) | 30 |
Well flow rate | \(q\) | \({\text{m}}^{3} /{\text{h}}\) | 286 |