 |
| gas fields: 201 phrase in 28 subjects |
| Analytical chemistry | 1 |
| Business | 6 |
| Caspian | 4 |
| Construction | 2 |
| Drilling | 2 |
| Economy | 1 |
| Education | 1 |
| Electronics | 2 |
| Energy industry | 1 |
| Gas processing plants | 2 |
| General | 14 |
| Geology | 6 |
| Geophysics | 2 |
| Karachaganak | 1 |
| Law | 1 |
| Makarov | 2 |
| Mineral products | 1 |
| Mining | 5 |
| Nautical | 1 |
| Oil / petroleum | 26 |
| Oil and gas | 75 |
| Oil and gas technology | 4 |
| Oilfields | 13 |
| Production | 9 |
| Sakhalin | 11 |
| Security systems | 1 |
| Technology | 4 |
| Tengiz | 3 |