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Help Center5 7/8 " PDC Diamond Bits
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PDC Bits For Well Drilling
Feature:Improved support and retention.
Advantage:Manage the magnitude cutter loading and bit torque.
Benefit:Improved bit duoability and directional responsiveness.
Advantage:Higher nozzle counts and/or fixed ports to best serve cleaning cooling and cuttings evacuation requirements with available hydraulic flows.
Benefit:Optimized ROP and bit life. Longer drilling intervals without need for tripping.
PDC Oil Drilling Bits
- Optimized short parabolic profile, suitable for drilling soft to medium soft homogeneous formations
- Asymmetrical evolute spiral blade cutter placement makes the bit more stable during drilling
- Primary and secondary cutting structure extends bit life
- CFD hydraulic balance design results in better bit cleaning and cutting removal
- Combined utilization of high performance PDC compacts significantly prolongs bit life
Bit size (in) |
Specifications |
Recommended drilling parameters |
||||||
|
No. of cutters (pcs) |
Gage length (mm) |
No. of nozzles (pcs) |
API reg. pin size (in) |
WOB (kN) |
RPM (r/min) |
Mud flow rate (l/s) |
HHP (w/mm2) |
|
8 1/2 |
26 |
85 |
4 |
4 1/2 |
30-100 |
50-250 |
25-35 |
2-7 |
12 1/4 |
41 |
120 |
6 |
6 5/8 |
50-160 |
50-250 |
44-60 |
2-7 |
Feature:Diamonds are impregnated in the matrix behind the PDC cutters.
Benefit:Increased footage drilled in abrasive applications.
Feature:Larger than standard TFA.
Packing Terms:wooden box, steel box or as your requirements.
Model |
118,152,215.9,244,311,445 |
Type |
all kinds and size PDC bits |
Applicable |
water well, oil field, construction, geothermal, directional boring, and underground foundation work |
Formation |
sticky, soft, medium hard, hard formation |
Bearing |
rubber seal or metal seal |
Packing |
wooden box, steel box, or as your requirements |
Payment Term |
T/T or L/C at sight |
MOQ |
1 Piece |
Supply Ability |
1000 Pieces/month |
Delivery Time |
within 7-15 work days |
Application Of The PDC Bits
1,Suit for drilling medium to medium-hard formations.
2,Evolute asymmetrical blade cutter design and balanced bit load so that bit whirl is prevented .
3,Composite gage protection and low torque design improve rate of penetration .
4,CFD hydraulic balance design results in better bit cleaning and cutting removal .
5,Combined utilization of high performance PDC compacts significantly prolongs bit life
Bit Type |
Main bit size(mm) |
Rock Coefficient |
|
PDC core drill bit |
Single pipe |
75/54.5 94/74 113/89 113/109 153/129 |
1-18 |
Two pipes |
75/54.5 94/68 |
1-18 |
|
PDC center drill bit |
Concave 3 wing bit |
60. 75. 94. 113. 133. |
|
Arc pillar |
60. 75. 94. 113. 133. |
4-18 |
|
Many wing scraper |
60. 75. 94. 113. 133. 153. 173. 190. 215. |
1-6 |
|
PDC Indexable drill bit |
153/94 153/113 190/153 190/113 |
1-18 |
|
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