 |
| gas drilling: 34 phrases in 14 subjects |
| Caspian | 1 |
| Drilling | 1 |
| Education | 1 |
| General | 3 |
| Geophysics | 1 |
| Karachaganak | 1 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 12 |
| Oil and gas | 5 |
| Oilfields | 1 |
| Production | 2 |
| Sakhalin | 3 |
| Technology | 1 |
|
| gas drilling: 34 phrases in 14 subjects |
| Caspian | 1 |
| Drilling | 1 |
| Education | 1 |
| General | 3 |
| Geophysics | 1 |
| Karachaganak | 1 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 12 |
| Oil and gas | 5 |
| Oilfields | 1 |
| Production | 2 |
| Sakhalin | 3 |
| Technology | 1 |