215.9mm IADC 517 Oil Well TCI Tricone Drill Bit For Low Compressive Strength
8 1/2 inch IADC 537 TCI tricone bit
Our advantage
1. who are we?
We are based in Hebei, China, start from 2016,sell to Northern Europe(20.00%),Mid East(20.00%),Domestic Market(14.00%),Western Europe(5.00%),Southern Europe(5.00%),Eastern Asia(5.00%),South America(5.00%),Oceania(5.00%),South Asia(5.00%),North America(5.00%),Southeast Asia(4.00%),Africa(3.00%),Central America(2.00%),Eastern Europe(2.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Tricone Bit,Rock Bit,PDC Bit,Drag Bit,HDD Hole Opener
4. why should you buy from us not from other suppliers?
(1)Our company promises: reasonable prices, short production time and satisfactory after-sales service
(2)Mutual development, mutual benefits
(3) We hope to cooperate with you
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery；
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union,Escrow;
Language Spoken:English,Chinese,Russian
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 |
Bearing Structure:
High precision journal bearing with two thrust faces.Balls lock the cone.Hard faced head bearing surface.Cone bearing inlaid with friction-reducing alloy and then silver plated.Abrasion resistance and seizure resistance of the bearing are improved.
Product Application:
It can high WOB inthe conventional drilling.It is suitable for various of formations by matching cutting structure with different tooth shape,tooth density and tooth exposure height.
Company Profile
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.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.