Error analysis on the predicted equivalent elasticity modulus of the rock matrix.
| Core no. . | Type of rock . | Measured matrix modulus of the rock core (GPa) . | Matrix modulus predicted by the conventional model (GPa) . | Relative error (%) . | Matrix modulus predicted by the proposed model (GPa) . | Relative error (%) . |
|---|---|---|---|---|---|---|
| 1 | Sandstone | 19.2 | 21.5 | 12.9 | 17.6 | 8.5 |
| 2 | Sandstone | 18.0 | 21.3 | 17.8 | 17.2 | 4.5 |
| 3 | Sandstone | 15.1 | 19.4 | 28.4 | 14.9 | 1.2 |
| 4 | Sandstone | 23.9 | 26.3 | 10.0 | 24.7 | 3.2 |
| 5 | Sandstone | 24.5 | 27.0 | 10.2 | 22.7 | 7.1 |
| 6 | Sandstone | 25.0 | 22.1 | 11.8 | 24.5 | 2.0 |
| 7 | Sandstone | 25.1 | 22.4 | 10.9 | 24.7 | 1.6 |
| Core no. . | Type of rock . | Measured matrix modulus of the rock core (GPa) . | Matrix modulus predicted by the conventional model (GPa) . | Relative error (%) . | Matrix modulus predicted by the proposed model (GPa) . | Relative error (%) . |
|---|---|---|---|---|---|---|
| 1 | Sandstone | 19.2 | 21.5 | 12.9 | 17.6 | 8.5 |
| 2 | Sandstone | 18.0 | 21.3 | 17.8 | 17.2 | 4.5 |
| 3 | Sandstone | 15.1 | 19.4 | 28.4 | 14.9 | 1.2 |
| 4 | Sandstone | 23.9 | 26.3 | 10.0 | 24.7 | 3.2 |
| 5 | Sandstone | 24.5 | 27.0 | 10.2 | 22.7 | 7.1 |
| 6 | Sandstone | 25.0 | 22.1 | 11.8 | 24.5 | 2.0 |
| 7 | Sandstone | 25.1 | 22.4 | 10.9 | 24.7 | 1.6 |
Error analysis on the predicted equivalent elasticity modulus of the rock matrix.
| Core no. . | Type of rock . | Measured matrix modulus of the rock core (GPa) . | Matrix modulus predicted by the conventional model (GPa) . | Relative error (%) . | Matrix modulus predicted by the proposed model (GPa) . | Relative error (%) . |
|---|---|---|---|---|---|---|
| 1 | Sandstone | 19.2 | 21.5 | 12.9 | 17.6 | 8.5 |
| 2 | Sandstone | 18.0 | 21.3 | 17.8 | 17.2 | 4.5 |
| 3 | Sandstone | 15.1 | 19.4 | 28.4 | 14.9 | 1.2 |
| 4 | Sandstone | 23.9 | 26.3 | 10.0 | 24.7 | 3.2 |
| 5 | Sandstone | 24.5 | 27.0 | 10.2 | 22.7 | 7.1 |
| 6 | Sandstone | 25.0 | 22.1 | 11.8 | 24.5 | 2.0 |
| 7 | Sandstone | 25.1 | 22.4 | 10.9 | 24.7 | 1.6 |
| Core no. . | Type of rock . | Measured matrix modulus of the rock core (GPa) . | Matrix modulus predicted by the conventional model (GPa) . | Relative error (%) . | Matrix modulus predicted by the proposed model (GPa) . | Relative error (%) . |
|---|---|---|---|---|---|---|
| 1 | Sandstone | 19.2 | 21.5 | 12.9 | 17.6 | 8.5 |
| 2 | Sandstone | 18.0 | 21.3 | 17.8 | 17.2 | 4.5 |
| 3 | Sandstone | 15.1 | 19.4 | 28.4 | 14.9 | 1.2 |
| 4 | Sandstone | 23.9 | 26.3 | 10.0 | 24.7 | 3.2 |
| 5 | Sandstone | 24.5 | 27.0 | 10.2 | 22.7 | 7.1 |
| 6 | Sandstone | 25.0 | 22.1 | 11.8 | 24.5 | 2.0 |
| 7 | Sandstone | 25.1 | 22.4 | 10.9 | 24.7 | 1.6 |
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