We have two main types of PDC core bits are available: PDC rib core bits and PDC flat core bit.
The PDC rib core bits are applied to rock formation of f≤6, like mudstone, sandstone, etc.
And the PDC flat core bits are applied to rock formations of f≤10,like limestone, granite, etc.
Models and working parameter
Profile of PDC Core Model | ||
Model | Application | |
PDC Core Drill Bit | Normal PDC Type | Soft-medium hard formation of f≤8 |
Reinforced PDC Type | Medium-hard formation of f≤10 | |
Working Parameter of Available Model | |||||
Outside Dia(MM) | Inside Dia(MM) | Weight on bit(KN) | Rotary Speed(RPM) | Connection Type | |
56 | 39 | 6~8 | 300~500 | pin/box thread connection | |
60 | 45 | 6~8 | 300~500 | ||
75 | 49 | 4.8~12 | 200~300 | ||
75 | 54.5 | 4.8~12 | 200~300 | ||
75 | 60 | 4.8~12 | 200~300 | ||
77 | 55 | 4.8~12 | 200~300 | ||
94 | 62 | 6.  4~16 | 150~250 | ||
94 | 69 | 6.4~16 | 150~250 | ||
113 | 93 | 8.8~22 | 120~200 | ||
133 | 113 | 15~30 | 100~200 | ||
153 | 133 | 15~30 | 100~200 | ||
152 | 110 | 15~30 | 100~200 | ||
190 | 110 | 18~44 | 100~150 | ||
190 | 152 | 18~44 | |||
Note: We also can produce and design as per clients' drawings/samples/requirements | |||||
