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| |||
| secondary recovery operation | |||
| secondary recovery | |||
| добыча вторичными методами: 36 phrases in 13 subjects |
| Business | 2 |
| Drilling | 3 |
| Economy | 1 |
| Geology | 1 |
| Makarov | 1 |
| Mining | 1 |
| Oil / petroleum | 10 |
| Oil and gas | 5 |
| Oil and gas technology | 1 |
| Oilfields | 3 |
| Sakhalin | 2 |
| Sakhalin S | 1 |
| Technology | 5 |