 |
| |||
| casing annular space (Yeldar Azanbayev); annular space against casing column (Yeldar Azanbayev) | |||
| кольцевое пространство в обсадной колонне: 5 do fraz, 4 tematyki |
| Dobra kontrola | 1 |
| Pola naftowe | 1 |
| Ropa / ropa naftowa | 2 |
| Technologia ropy i gazu | 1 |
|
| |||
| casing annular space (Yeldar Azanbayev); annular space against casing column (Yeldar Azanbayev) | |||
| кольцевое пространство в обсадной колонне: 5 do fraz, 4 tematyki |
| Dobra kontrola | 1 |
| Pola naftowe | 1 |
| Ropa / ropa naftowa | 2 |
| Technologia ropy i gazu | 1 |