| Customization: | Available |
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| Customized: | Customized |
| Standard: | DIN, JIS, AISI, API |
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| Basical Specification | |
| Size of Rock Bit | 8 1/2 inches |
| 215.90mm | |
| Bit Type | PDC drill bit |
| Thread Connection | 4 1/2 API REG PIN |
| IADC Code | M166 |
| Number of Blades | 6 |
| Primary Cutter Size | 16mm |
| Nozzles Quanty | 6 |
| Gauge Length | 2.2" |
| Operating Parameters | |
| WOB (Weight On Bit) KN | 60-260 |
| RPM(r/min) | 20-100 |
| Flow Rate(lps) | 22-35 |
| Anti-whirl Technology | The advanced simulation technology, enables the bit more stable in drilling, it can drill interbred formations without serious broken and wear as conventional PDC design |
| Advantage | Fast drill speed and more safety |
| Features | 1.Which is a matrix body PDC bit using are-type double rows spiral desing with 5 blades,long parabolic crown structure,the rational allocation of different functions of the small size of the cutters. 2. Heavy cutter layout and high wear wide gauge design,effectively improve the PDC bit impact resistant and abrasive. 3.While using a dynamic flow simulation technology to optimize the hydraulic design of the PDC bit. |
| Specifications of PDC Bit | |||
| Model: 5-26 5 7/8,6,6 1/2,8 1/2,9 1/2,9 5/8, 9 7/8, 12 1/4 ,etc | |||
| Rock Sample | Formations Description | Compressive Strength PSI | IADC Type |
| Clay, Salt stone,Sandstone | Very soft: Soft formation with low sticky layers and low compressive strength | <4000 | M/S112~M/S223 |
| Claystone ,Marl,Lignite, Sandstone | Soft: Soft formation with low compressive strength and good drillability | <8000 | M/S222~M/S333 |
| Claystone,Marl,Lignite Sandstone,Anhydrite,Tuff |
Medium Soft: Soft formation with low compressive sth interbedded with hard layers | <12000 | M/S323~M/S433 |
| Mudstone,Limestone, Anhydrite,Calcareous, Sandstone,Shale |
Medium: Medium hard to hard formation with high compressive strength and thin abrasive layers | <16000 | M333~M443 |
| Limestone,Anhydrite, Dolomite |
Medium hard: Hard and compact formation with very high compressive strength but no abrasive layers | <24000 | M432~M444 |
| Calcareous shale, Siliceous,Sandstone Siltstone |
Hard :Hard and compact formation with very high compressive strength but no abrasive layers | <32000 | M611-M734 |
| Quartzite,Lgneous rock | Very hard: Extremely hard and abrasive formation | >3200 | M711-M844 |
| Steel Body | Sutable for soft to medium hard chunks of homogeneous formation and hard and abrasive high formation. | ||||||||||
| Matrix Body | Suitable for more harder information. | ||||||||||
| 13X8mm | The smallest cutter and more blades suitable for the hardest rock information , then the biggest cutter gets the fastest speed . |
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| 13X19mm | |||||||||||
| 16X13mm | |||||||||||
| 19X13mm | |||||||||||
| Bit Size | Pinconnection | Make-up Torque | ||
| INCH | INCH | Kft.lbs | KN.m | |
| 3 3/4- 4 1/2 | 2 3/8 REG | 1.8-3.1 | 2.4-3.7 | |
| 4 17/82-5 | 2 7/8 REG | 3.2-4.8 | 4.2-6.9 | |
| 5 1/32-7 3/8 | 3 1/2 REG | 5.2-8.0 | 7.1-11.5 | |
| 7 13/32-9 3/8 | 4 1/2 REG | 12.6-18.2 | 17.0-26.4 | |
| 9 18/82-14 1/2 | 6 5/8 REG | 37.7-39.1 | 50.3-57.5 | |
| 14 9/16-18 1/2 | 7 5/8 REG | 48.3-60.9 | 65.5-86.1 | |
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