Table 2.
Values and weight of the criteria and classes for the evaluation of sedimentary basins in South west of Algeria for the geological sequestration of CO2.
Modified from Bachu (2003)
| Criteria | Classes | Weight (wi) | ||||
|---|---|---|---|---|---|---|
| j = 1 | j = 2 | j = 3 | j = 4 | j = 5 | ||
| i = 1 | ||||||
| Seismicity | 1 | 3 | 7 | 15 | 15 | 0.1 |
| i = 2 | ||||||
| Area | 1 | 3 | 5 | 8 | 10 | 0.06 |
| i = 3 | ||||||
| Depth | 1 | 2 | 6 | 10 | 0.1 | |
| i = 4 | ||||||
| Deformation | 1 | 4 | 10 | 0.08 | ||
| i = 5 | ||||||
| Reservoir-coverage | 1 | 4 | 10 | 0.1 | ||
| i = 6 | ||||||
| Geothermal power | 1 | 4 | 10 | 0.09 | ||
| i = 7 | ||||||
| Potential in hydrocarbons | 1 | 3 | 7 | 14 | 21 | 0.04 |
| i = 8 | ||||||
| Evaporites | 1 | 2 | 3 | 0.01 | ||
| i = 9 | ||||||
| Coal | 1 | 2 | 5 | 0.04 | ||
| i = 10 | ||||||
| Exploration maturity | 1 | 3 | 4 | 8 | 10 | 0.08 |
| i = 11 | ||||||
| On/offshore | 1 | 5 | 10 | 15 | 0.11 | |
| i = 12 | ||||||
| Climate | 1 | 2 | 4 | 7 | 10 | 0.04 |
| i = 13 | ||||||
| Accessibility | 1 | 3 | 6 | 10 | 0.04 | |
| i = 14 | ||||||
| Infrastructure | 1 | 3 | 7 | 10 | 0.05 | |
| i = 15 | ||||||
| CO2 sources | 1 | 3 | 7 | 11 | 15 | 0.06 |