12" PDC drill Bit with 7 blades and matrix body.
Recommended Drilling Parameters and formation of PDC Bits
| Bit Size(inch) |
Recommended drilling parameter |
| Flow Rate (l/s) |
Rotation Speed (r/min) |
Weight on bit(kN) |
Specific hydraulic hose power (HIS) |
Makeup forque (kN.M) |
| 8 1/2 |
25-38 |
60-250 |
100-30 |
2-7 |
24-26.5 |
| 8 3/4 |
25-38 |
60-250 |
100-30 |
2-7 |
24-26.5 |
| 9 1/2 |
25-38 |
60-250 |
100-30 |
2-7 |
40-45 |
| 12 1/4 |
44-60 |
60-250 |
150-30 |
2-7 |
50-60 |
