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17 1/2 inch IADC 627 TCI tricone bit
Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd has more than 20 years manufacturing and design experience,We specialize in researching and production of TCI Tricone Bit,Steel Tooth tricone bit,PDC bit,Drag bit,HDD hole opener,Tricone bit cutter and Drilling Accessories,application fields includes oil well drilling,gas well drilling,geothermal well drilling,mining,geological survey,hydrographic survey,water well drilling,HDD pipelines projects,foundation projects.Our goal is provide the best quality products and service to our customers,we have professional R&D team,domestic advanced production equipment and precision instruments Reduce the cost,Speed the drilling,Guarantee the safety is always our aim.
Why Choose Us
1. We are manufacture can supply good quality goods and competitive price.
2. We not only have ourselves design but also can accept customization.
3. We have fast and on time delivery time.
4. Every bits have it’s quality assurance.
5. Contact our anytime if you have any question with bits.
6. 24 hours on time reply.
More question you want to know, contact us feel free without hesitation.No matter how far from us but communication without borders.
How to choose a model
IADC | Rock formation | WOB (KN/mm) | PRM(r/min) |
417/427/437 | Low compressive strength, high drill-ability and extremely soft formation, like shale, clay, sandstone,etc. | 0.35~0.90 | 140~70 |
447 | Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, plaster etc. | 0.37~1.00 | 140~60 |
517 | Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, etc. | 0.37~1.05 | 120~50 |
527 | Soft formation with low compressive, like Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, anhydrite etc. | 0.35~1.05 | 120~50 |
537/547 | Low compressive strength, medium hard formation with hard abrasive interlayer, like Hard shale, anhydrite, soft limestone, sandstone, dolomite with mezzanine, etc. | 0.50~1.05 | 110~40 |
617/627 | High compressive strength, medium hard and thick hard interlayer, like hard shale, limestone, sandstone, dolomite, etc. | 0.50~1.05 | 80~40 |
637/737 | High compressive strength, medium hard and high abrasive formation, like limestone, dolomite, sandstone, chert, etc. | 0.7~1.20 | 70~40 |
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