 |
| pump-down: 63 phrases in 16 subjects |
| Drilling | 4 |
| Electronics | 1 |
| General | 2 |
| Makarov | 2 |
| Metallurgy | 1 |
| Metrology | 3 |
| Oil / petroleum | 9 |
| Oil and gas | 25 |
| Oil and gas technology | 1 |
| Oilfields | 3 |
| Production | 1 |
| Refrigeration | 4 |
| Sakhalin | 1 |
| Technology | 4 |
| Telecommunications | 1 |
| Thermal engineering | 1 |