 |
| |||
| акустический каротаж (Alexander Dolgopolsky) | |||
| borehole sonic: 27 phrases in 7 subjects |
| Drilling | 5 |
| Geophysics | 5 |
| Oil / petroleum | 8 |
| Oil and gas | 3 |
| Oil and gas technology | 2 |
| Sakhalin | 1 |
| Technology | 3 |
|
| |||
| акустический каротаж (Alexander Dolgopolsky) | |||
| borehole sonic: 27 phrases in 7 subjects |
| Drilling | 5 |
| Geophysics | 5 |
| Oil / petroleum | 8 |
| Oil and gas | 3 |
| Oil and gas technology | 2 |
| Sakhalin | 1 |
| Technology | 3 |