 |
| |||
| hole size (MichaelBurov) | |||
| gage (MichaelBurov); gauge (MichaelBurov) | |||
| bit size; bit diameter | |||
| диаметр долота: 77 phrases in 9 subjects |
| Drilling | 7 |
| Geology | 1 |
| Mining | 3 |
| Oil / petroleum | 25 |
| Oil and gas | 22 |
| Oil and gas technology | 6 |
| Oilfields | 11 |
| Sakhalin | 1 |
| Sakhalin R | 1 |