 |
| |||
| NR (no returns) | |||
| disastrous lost circulation (бурового раствора) | |||
| extreme lost circulation (grafleonov) | |||
| катастрофическое поглощение: 2 phrases in 2 subjects |
| Oilfields | 1 |
| Production | 1 |
|
| |||
| NR (no returns) | |||
| disastrous lost circulation (бурового раствора) | |||
| extreme lost circulation (grafleonov) | |||
| катастрофическое поглощение: 2 phrases in 2 subjects |
| Oilfields | 1 |
| Production | 1 |