| |||
| поражение забоя (шарошками долота) | |||
|
hole coverage : 10 phrases in 6 subjects |
| Drilling | 1 |
| Mass media | 1 |
| Oil / petroleum | 3 |
| Oil and gas technology | 3 |
| Sakhalin R | 1 |
| Technology | 1 |
| |||
| поражение забоя (шарошками долота) | |||
|
hole coverage : 10 phrases in 6 subjects |
| Drilling | 1 |
| Mass media | 1 |
| Oil / petroleum | 3 |
| Oil and gas technology | 3 |
| Sakhalin R | 1 |
| Technology | 1 |