|
h2s : 76 phrases in 17 subjects |
| Drilling | 6 |
| Gas processing plants | 3 |
| General | 11 |
| Geophysics | 2 |
| Karachaganak | 3 |
| Metallurgy | 2 |
| Nautical | 1 |
| Occupational health & safety | 7 |
| Oil and gas | 18 |
| Oil and gas technology | 1 |
| Oil processing plants | 3 |
| Production | 2 |
| Sakhalin | 9 |
| Sakhalin S | 1 |
| Security systems | 3 |
| Tengiz | 3 |
| Valves | 1 |