Core heads
CB line
CB Core Heads are designed for core recovery in oil and gas well drilling with drilling mud flushing.
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PDC BITS. CB LINE
| Bit Notation | IADC code | Connecting thread | Rock Category | Weight, kg |
|---|---|---|---|---|
| 139,7/52 CB 366SM-A25 | S132 | Coupling ÌÊ 110õ6õ1:8 | Soft-medium | 10,0 |
| 158,7/67 CB 366SM-A37 | S132 | Coupling Ç-133 | Soft-medium | 12,8 |
| 163,5/67 ÑÂ 388ÌÍ-À92 | S123 | Coupling Ç-133 | Medium-hard | 16,8 |
| 187,3/80 CB 366SM-A35 | S132 | Coupling ÌÊ 150õ6õ1:8 | Soft-medium | 19,0 |
| 212,7/80 CB 366SM-A38 | S133 | Coupling ÌÊ 150õ6õ1:8 | Soft-medium | 20,0 |
| 212,7/80 CB 31010MH-A68 | S233 | Coupling ÌÊ 150õ6õ1:8 | Medium-hard | 28,6 |
| 212,7/100 CB 31010MH-A69 | S233 | Coupling Ç-161 | Medium-hard | 24,5 |
| 212,7/100 CB 366SM-A45 | S133 | Coupling Ç-161 | Soft-medium | 23,0 |
| 214,3/100 CB 366SM-A15 | S133 | Coupling Ç-161 | Soft-medium | 21,0 |
| 215,9/80 ÑÂ 388SM-A74 | S233 | Coupling ÌÊ 150õ6õ1:8 | Soft-medium | 23,0 |
| 215,9/100 CB 388SM-A75 | S233 | Coupling Ç-161 | Soft-medium | 25,0 |
| 215,9/100 CB 388SM-A78 | S233 | CouplingÇ-171 | Soft-medium | 25,0 |
