| most frequently | 8 | degree |
| so far | 7 | other |
| for increasing single-well production | 6 | purpose |
| solution → be → proposed | 381 |
| solution → be → proposal | 8 |
| solution → be proposed in → response | 3 |
| negative | neutral | positive |
| 0.161 | 0.619 | 0.220 |
| Raw frequency | 392 |
| Normalized frequency | 0.725 |
| Modifier score | 0.610 |
| Perplexity | 277.838 |