 |
| |||
| downhole accessories (eternalduck); downhole equipment (ВСО) | |||
| downhole jewellery (evermore); intervention tools (I. Havkin) | |||
| внутрискважинное оборудование: 14 phrases in 4 subjects |
| Drilling | 1 |
| General | 3 |
| Oil and gas | 4 |
| Oil and gas technology | 6 |
|
| |||
| downhole accessories (eternalduck); downhole equipment (ВСО) | |||
| downhole jewellery (evermore); intervention tools (I. Havkin) | |||
| внутрискважинное оборудование: 14 phrases in 4 subjects |
| Drilling | 1 |
| General | 3 |
| Oil and gas | 4 |
| Oil and gas technology | 6 |