hole bottom : 611 phrases in 25 subjects |
Audit | 1 |
Automated equipment | 2 |
Caspian | 1 |
Drilling | 50 |
General | 7 |
Geology | 5 |
Geophysics | 3 |
Makarov | 1 |
Mathematics | 2 |
Military | 1 |
Mining | 14 |
Occupational health & safety | 1 |
Oil / petroleum | 89 |
Oil and gas | 158 |
Oil and gas technology | 79 |
Oilfields | 93 |
Production | 7 |
Sakhalin | 30 |
Sakhalin A | 1 |
Sakhalin R | 7 |
Silicate industry | 1 |
Technology | 51 |
Tengiz | 3 |
Transport | 1 |
Well control | 3 |