 |
| продуктивный горизонт: 72 phrases in 12 subjects |
| Caspian | 1 |
| Drilling | 9 |
| General | 1 |
| Geology | 5 |
| Makarov | 1 |
| Mining | 1 |
| Oil / petroleum | 27 |
| Oil and gas | 15 |
| Oil and gas technology | 3 |
| Oilfields | 3 |
| Sakhalin | 5 |
| Technology | 1 |
|
| продуктивный горизонт: 72 phrases in 12 subjects |
| Caspian | 1 |
| Drilling | 9 |
| General | 1 |
| Geology | 5 |
| Makarov | 1 |
| Mining | 1 |
| Oil / petroleum | 27 |
| Oil and gas | 15 |
| Oil and gas technology | 3 |
| Oilfields | 3 |
| Sakhalin | 5 |
| Technology | 1 |