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| theft zone (same as thief zone: The zone through which drilling fluid is lost into a formation through the borehole wall. ixtra); thief formation (Yeldar Azanbayev) | |||
| lost circulation zone (MichaelBurov); lost-circulation zone (MichaelBurov) | |||
| lcz (lost circulation zone Algabas) | |||
| thief zone; zone of loss | |||
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| lost-circulation zone | |||
| зона поглощения бурового раствора: 2 phrases in 2 subjects |
| Oil / petroleum | 1 |
| Trademark | 1 |