| Similarity | Rank | |
|---|---|---|
| Drilling | 0.825 | 33103 |
| fracturing | 0.825 | 29911 |
| drillers | 0.824 | 78745 |
| deepwater | 0.780 | 56216 |
| shale | 0.778 | 17984 |
| fracking | 0.769 | 21463 |
| trenching | 0.768 | 91363 |
| drill | 0.760 | 7228 |
| hydraulic | 0.750 | 13689 |
| dewatering | 0.747 | 87432 |
| oilfield | 0.741 | 56572 |
| dredging | 0.730 | 38975 |
| Shale | 0.730 | 29866 |
| drilled | 0.730 | 15143 |
| pipelines | 0.728 | 21092 |
| wellhead | 0.725 | 94271 |
| mining | 0.723 | 4846 |
| pipeline | 0.715 | 7695 |
| tailings | 0.712 | 49890 |
| oilsands | 0.711 | 96475 |
| rigs | 0.711 | 20578 |
| subsea | 0.708 | 58679 |
| onshore | 0.703 | 30851 |
| oilfields | 0.698 | 98378 |
| CSG | 0.697 | 64462 |