Classification | The main factors | Sort | Correlation degree |
Ⅱ | permeability | 1 | 0.7624 |
Ⅰ | effective thickness | 2 | 0.7542 |
Ⅱ | injection-production well spacing | 3 | 0.7461 |
Ⅱ | the direction of formation coefficient | 4 | 0.7396 |
Ⅱ | the number of injection-production wells | 5 | 0.7305 |