| Share | Phrase |
|---|
| 9.35% | drilling [purpose] rig |
| 7.53% | blind [affliction] drilling |
| 6.97% | drilling [purpose] work |
| 6.60% | cross [direction] drilling |
| 5.91% | drilling [does] form |
| 5.42% | drilling [purpose] operation |
| 5.03% | axial [direction] drilling |
| 4.87% | drilling [purpose] tool |
| 4.43% | drilling [does] machine |
| 4.18% | drilling [purpose] platform |
| 3.58% | drilling [purpose] oil |
| 2.87% | drilling communicate |
| 2.83% | angled [direction] drilling |
| 2.77% | radial [shape] drilling |
| 2.56% | drilling [does] communicate |
| 2.53% | transverse [direction] drilling |
| 2.39% | drilling [purpose] means |
| 2.34% | drilling [addressee] communicate |
| 2.07% | drilling [does] extend |
| 1.83% | drilling [does] connect |
| 1.75% | drilling [using as instrument] provide |
| 1.61% | bore drilling |
| 1.51% | require drilling [perform operation] |
| 1.37% | hole drilling |
| 1.37% | extend drilling [perform operation] |
| 1.26% | form drilling [perform operation] |
| 1.23% | eliminate drilling [perform operation] |
| 1.06% | drilling end |
| 0.77% | provide drilling [perform operation] |
| 0.71% | control drilling [perform operation] |
| 0.64% | have drilling [perform operation] |
| 0.50% | include drilling [perform operation] |