Table 3 Drilling operation log sheet
Drilling position number | Drill depth/m | Average drilling efficiency m/h | Coring recovery percent % |
|---|---|---|---|
1 | 62.5 | 2.8 | 86.5 |
2 | 62.5 | 3.1 | 87.6 |
3 | 62.5 | 3.4 | 83.2 |
4 | 62.5 | 2.9 | 90.4 |
5 | 62.5 | 3.3 | 85.4 |
Drilling position number | Drill depth/m | Average drilling efficiency m/h | Coring recovery percent % |
|---|---|---|---|
1 | 62.5 | 2.8 | 86.5 |
2 | 62.5 | 3.1 | 87.6 |
3 | 62.5 | 3.4 | 83.2 |
4 | 62.5 | 2.9 | 90.4 |
5 | 62.5 | 3.3 | 85.4 |