 |
| test well: 128 phrases in 19 subjects |
| Drilling | 1 |
| Education | 1 |
| Energy industry | 1 |
| Facilities | 2 |
| General | 2 |
| Genetics | 1 |
| Geophysics | 1 |
| Karachaganak | 1 |
| Makarov | 2 |
| Military | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 36 |
| Oil and gas | 30 |
| Oil and gas technology | 11 |
| Oilfields | 11 |
| Production | 2 |
| Sakhalin | 12 |
| Technology | 10 |
| Tengiz | 2 |