 |
| gas-lift gas: 200 phrase in 22 subjects |
| Aerohydrodynamics | 1 |
| Agriculture | 1 |
| Automated equipment | 1 |
| Aviation | 1 |
| Drilling | 14 |
| Ecology | 1 |
| Electronics | 1 |
| Facilities | 1 |
| General | 2 |
| Geology | 4 |
| Hydrology | 1 |
| Makarov | 3 |
| Military | 1 |
| Mining | 1 |
| Nautical | 1 |
| Oil / petroleum | 22 |
| Oil and gas | 44 |
| Oilfields | 29 |
| Sakhalin | 37 |
| Sakhalin A | 1 |
| Sakhalin R | 1 |
| Technology | 32 |