 |
| |||
| drill-hole cores (ART Vancouver) | |||
| керн скважин: 39 phrases in 14 subjects |
| Drilling | 2 |
| Electronics | 2 |
| Gas processing plants | 1 |
| General | 1 |
| Geology | 2 |
| Geophysics | 2 |
| Gold mining | 1 |
| Makarov | 4 |
| Mining | 5 |
| Oil / petroleum | 10 |
| Oil and gas | 2 |
| Oil and gas technology | 3 |
| Sakhalin | 1 |
| Technology | 3 |