Research Article
Study and Application of Safety Risk Evaluation Model for CO2 Geological Storage Based on Uncertainty Measure Theory
Table 3
Survey statistics for the evaluation index.
| | Research zone | The cover layer lithology | Total thickness of the cover layer (m) | Seismic safety | Presence of drilling and abandoned wells within 25 km2 of the site | Topography | Main wind directions between the CO2 perfusion site and residents | Distance from permanent residents (m) | Distance from surface drinking water sources such as rivers and reservoirs (m) |
| | Number 1 target zone | Mud rock | 40–80 | Medium | No | Complex terrain | Downwind | >800 | 150± |
| | Number 2 target zone | Mud rock | 40–80 | High | No | High convex open terrain | Side wind | 800± | >150 |
| | Number 3 target zone | Mud rock | 40–80 | Low | No | Broad and shallow terrain | Downwind | >800 | <150 |
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