Research Article
Evaluating Reservoir Risks and Their Influencing Factors during CO2 Injection into Multilayered Reservoirs
Table 1
Parameters of the reservoir-caprock units of the Shenhua CCS project.
| Reservoir number | Thickness of reservoir (m) | Thickness of caprock (m) | Logging permeability (×10−3 μm2) | Logging porosity (%) | Fracturing pressure (MPa) | Formation pressure (MPa) |
| 1 | 9 | 1699 | 2.81 | 10.6 | 35.29 | 17.45 | 2 | 5 | 57 | 5.47 | 12.4 | 37.53 | 17.89 | 3 | 40 | 191 | 1.431 | 9.7 | 38.95 | 20.15 | 4 | 8 | 43 | 6.58 | 12.9 | 42.60 | 21.43 | 5 | 4 | 119 | 5.99 | 12.6 | 47.00 | 22.94 | 6 | 26 | 114 | 2.738 | 12.5 | 43.47 | 23.1 | 7 | 8 | 52 | 5.1 | 11.9 | 46.03 | 23.84 | 8 | 12 | 178 | 0.039 | 5.2 | 45.68 | 22.75 |
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