| Drilling fluid system | Initial rock mass X | Crash quality X1 | Crash quality X2 | Single heat roll recovery rate | Secondary heat roll recovery rate |
| Polyamine drilling fluid | 30.12 g | 26.93 g | 22.58 g | 89.41% | 83.85% |
| Polysulphur drilling fluid | 29.91 g | 22.80 g | 16.77 g | 76.23% | 73.56% |
| Three sulphur drilling fluid | 30.04 g | 20.07 g | 12.98 g | 66.83% | 64.67% |