 |
| oil volume: 69 phrases in 19 subjects |
| Automobiles | 1 |
| Caspian | 1 |
| Drilling | 2 |
| Economy | 1 |
| Electrical engineering | 2 |
| Electronics | 2 |
| Facilities | 1 |
| Flow measurement | 1 |
| General | 2 |
| Makarov | 1 |
| Oil / petroleum | 13 |
| Oil and gas | 17 |
| Oil and gas technology | 6 |
| Oilfields | 7 |
| Petrography | 1 |
| Production | 1 |
| Sakhalin | 4 |
| Technology | 5 |
| Transport | 1 |