| Similarity | Rank | |
|---|---|---|
| Shale | 0.879 | 29866 |
| Bakken | 0.814 | 53247 |
| Utica | 0.806 | 47346 |
| shale | 0.757 | 17984 |
| Permian | 0.738 | 68603 |
| Williston | 0.726 | 70809 |
| fracking | 0.709 | 21463 |
| Anadarko | 0.701 | 97984 |
| oilsands | 0.688 | 96475 |
| fracturing | 0.680 | 29911 |
| Seneca | 0.667 | 31137 |
| drilling | 0.664 | 8037 |
| drillers | 0.664 | 78745 |
| Enbridge | 0.660 | 59217 |
| Aquifer | 0.655 | 88850 |
| Weatherford | 0.654 | 67233 |
| Brownfield | 0.653 | 93506 |
| shales | 0.651 | 97010 |
| Barnett | 0.645 | 27306 |
| Basin | 0.644 | 13536 |
| Fracking | 0.642 | 62210 |
| Wyoming's | 0.629 | 71864 |
| Athabasca | 0.625 | 64300 |
| Carthage | 0.625 | 36380 |
| BP's | 0.625 | 51410 |