| in order to reach the targeted formation | 5 | purpose |
| regularly | 3 | degree |
| drill bit → be → changed | 10 |
| drill bit → be → replaced | 5 |
| negative | neutral | positive |
| 0.226 | 0.726 | 0.048 |
| Raw frequency | 15 |
| Normalized frequency | 0.594 |
| Modifier score | 0.850 |
| Perplexity | 175.322 |