 |
| |||
| заколонный (igisheva) | |||
| behind-the-casing: 12 do fraz, 6 tematyki |
| Olej i gaz | 1 |
| Pola naftowe | 3 |
| Ropa / ropa naftowa | 2 |
| Technika i technologia | 1 |
| Technologia ropy i gazu | 2 |
| Tengiz | 3 |
|
| |||
| заколонный (igisheva) | |||
| behind-the-casing: 12 do fraz, 6 tematyki |
| Olej i gaz | 1 |
| Pola naftowe | 3 |
| Ropa / ropa naftowa | 2 |
| Technika i technologia | 1 |
| Technologia ropy i gazu | 2 |
| Tengiz | 3 |