 |
| drilling tools: 129 phrases in 19 subjects |
| Automated equipment | 1 |
| Bridge construction | 1 |
| Caspian | 1 |
| Construction | 1 |
| Drilling | 7 |
| General | 3 |
| Geology | 3 |
| Makarov | 1 |
| Mechanics | 1 |
| Mining | 5 |
| Oil / petroleum | 56 |
| Oil and gas | 10 |
| Oil and gas technology | 12 |
| Oilfields | 8 |
| Production | 3 |
| Road works | 1 |
| Sakhalin | 3 |
| Technology | 11 |
| Tengiz | 1 |