 |
| oil, water, gas: 81 phrases in 17 subjects |
| Automated equipment | 1 |
| Drilling | 2 |
| Facilities | 1 |
| General | 3 |
| Geology | 4 |
| Geophysics | 3 |
| Military | 1 |
| Oil / petroleum | 19 |
| Oil and gas | 21 |
| Oil and gas technology | 2 |
| Oilfields | 7 |
| Petrography | 3 |
| Production | 2 |
| Sakhalin | 5 |
| Sakhalin R | 4 |
| Technology | 2 |
| Tengiz | 1 |