 |
| |||
| mud return (на поверхность) | |||
| выход бурового раствора: 23 phrases in 8 subjects |
| Drilling | 3 |
| General | 1 |
| Oil / petroleum | 5 |
| Oil and gas | 7 |
| Oil and gas technology | 2 |
| Oilfields | 3 |
| Sakhalin | 1 |
| Technology | 1 |
|
| |||
| mud return (на поверхность) | |||
| выход бурового раствора: 23 phrases in 8 subjects |
| Drilling | 3 |
| General | 1 |
| Oil / petroleum | 5 |
| Oil and gas | 7 |
| Oil and gas technology | 2 |
| Oilfields | 3 |
| Sakhalin | 1 |
| Technology | 1 |