 |
| |||
| drag (MichaelBurov); wall drag (MichaelBurov); wellbore drag (MichaelBurov); well bore drag (MichaelBurov); well-bore drag (MichaelBurov) | |||
| трение о стенки скважин: 3 phrases in 2 subjects |
| Drilling | 1 |
| Oil / petroleum | 2 |
|
| |||
| drag (MichaelBurov); wall drag (MichaelBurov); wellbore drag (MichaelBurov); well bore drag (MichaelBurov); well-bore drag (MichaelBurov) | |||
| трение о стенки скважин: 3 phrases in 2 subjects |
| Drilling | 1 |
| Oil / petroleum | 2 |