 |
| reflection seismics: 89 phrases in 14 subjects |
| Construction | 2 |
| Drilling | 1 |
| Geology | 6 |
| Geophysics | 23 |
| Makarov | 13 |
| Navigation | 1 |
| Oceanography & oceanology | 1 |
| Oil / petroleum | 13 |
| Oil and gas | 7 |
| Oil and gas technology | 5 |
| Oilfields | 1 |
| Seismology | 8 |
| Technology | 4 |
| United Nations | 4 |