 |
| |||
| combatting lost circulation; solution of lost circulation problems | |||
| water-loss control | |||
| circulation-loss control | |||
| борьба с поглощениями бурового раствора: 40 phrases in 5 subjects |
| Drilling | 6 |
| Oil / petroleum | 14 |
| Oil and gas | 5 |
| Oil and gas technology | 5 |
| Trademark | 10 |