 |
| |||
| rotary rock bit (Yeldar Azanbayev) | |||
| wire-line bit | |||
| rotary drill bit | |||
| rotary-drill bit | |||
| долото вращательного бурения: 19 phrases, 9 sujets |
| Champs de pétrole | 4 |
| Exploitation minière | 1 |
| Forage | 1 |
| Géologie | 3 |
| Makarov | 1 |
| Pétrole / pétrole | 3 |
| Pétrole et gaz | 1 |
| Technologie | 1 |
| Technologie pétrolière et gazière | 4 |