 |
| offshore operator: 8 do fraz, 7 tematyki |
| Biznes | 1 |
| Pola naftowe | 1 |
| Ropa / ropa naftowa | 2 |
| Sachalin | 1 |
| Technika i technologia | 1 |
| Technologia ropy i gazu | 1 |
| Tengiz | 1 |
|
| offshore operator: 8 do fraz, 7 tematyki |
| Biznes | 1 |
| Pola naftowe | 1 |
| Ropa / ropa naftowa | 2 |
| Sachalin | 1 |
| Technika i technologia | 1 |
| Technologia ropy i gazu | 1 |
| Tengiz | 1 |