 |
| падение пласта: 69 phrases in 17 subjects |
| Caspian | 1 |
| Construction | 1 |
| Drilling | 1 |
| Energy industry | 1 |
| General | 1 |
| Geology | 9 |
| Geophysics | 1 |
| Gold mining | 1 |
| Makarov | 1 |
| Mining | 6 |
| Oil / petroleum | 21 |
| Oil and gas | 6 |
| Oil and gas technology | 4 |
| Oilfields | 4 |
| Petrography | 1 |
| Road works | 2 |
| Technology | 8 |