| Customization: | Available |
|---|---|
| After-sales Service: | Provide |
| Warranty: | Provide |
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Audited Supplier Audited by an independent third-party inspection agency
| Regular Models of PDC bits | |||
| Regular Sizes | Regular IADC | API Reg Pin | Make-up Torque(N.m) |
| 3 7/8"(98.4mm) | 126/216/637 | 2 3/8 | 4100~4700 |
| 4 5/8"(117.4mm) | 126/216/517/537/637 | 2 7/8 | 6100~7500 |
| 5 1/4"(133.3mm) | 3 1/2 | 9500~12200 | |
| 5 5/8"(142.8mm) | |||
| 5 7/8"(149.2mm) | |||
| 6"(152.4mm) | 126/127/216/517/537/617/637 | ||
| 6 1/4"(158.7mm) | |||
| 6 1/2"(165mm) | |||
| 7 1/2"(190mm) | 126/216/517/537 | 4 1/2 | 16300~21700 |
| 7 5/8"(193mm) | |||
| 7 7/8"(200mm) | |||
| 8 1/2"(215.9mm) | 117/127/217/437/517/537/617/637 | ||
| 9 1/2"(241.3mm) | 6 5/8 | 38000~43400 | |
| 9 7/8"(250.8mm) | |||
| 10 5/8(269.8mm) | |||
| 11 5/8(295.3mm) | |||
| 12 1/4"(311.1mm) | |||
| 13 5/8"(346.0mm) | 127/217/517/537/617/637 | ||
| 14 3/4"(374.6mm) | 7 5/8 | 46100~54200 | |
| 17 1/2"(444.5mm) | 114/115/125/215/515/535/615/635 | ||
| 26"(660.4mm) | 114/115/125/215/515/535/615 | ||
as steering application.
| 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, conglomerate 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. | 0.35~1.00 | 140~60 |
| 517 | Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, etc | 0.35~1.05 | 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 |
| Name | Tricone Bit |
| Model | TCI bit, Steel tooth bit |
| IADC CODE |
116 117 126 127 136 137 216 217 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347 |
| 417 427 437 517 527 537 617 627 637 737 837 832 415 425 435 445 525 625 635 416 427 436 446 447 516 526 537 547 516 536 535 | |
| available sizes | From 2 7/8 to 26" larger sizes for hole opener bit ,reamer bit |
| advantage | most favorable price and best quality |
| bearing type | sealed bearing and non-sealed bearing metal sealed journal bearing rubber sealed journal bearing aircooled bearing type |
| Formation or layer | Soft, medium soft, hard, medium hard, very hard formation |
| Button size (extra features) | Button bit, saw teeth 1) Y-Conical teeth 2) X-chisel teeth 3)K- wide teeth 4)G- Gauge protection |
| Packing | Wooden case |
| Delivery terms | By sea or by air |
| Market | Canada, USA, Middle east ,Africa, Europe |
| Application | Petroleum & gas ,water well ,mining and tectonic industries ,oil field, construction, geothermal, directional boring, and underground foundation work |
Cutting Structure
The wear-resistance of the teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for the steel tooth bit.The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit
Gauge Structure
Multiple gague protection with gauge trimmers on the heel and gauge inserts on the gauge surface of the cone,tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capacity and bearing life.
Bearing Structure
High precision journal bearing with two thrust faces,Balls lock the cone.Hardfaced head bearing surface.Cone bearing inlaid with friction-reducing alloy and then silver-plated.Abrasion resistance and seizure of the bearing are improved.and suitable for high rotary speed
Seal and Lubrication
The advanced metal seal package consists of two metal seals and two elastic energizers.Compressed energizers ensure good contact being kept on two sealing surfaces of metal rings by elastic force,and achieves the bearing seal.In the drilling,metal seals are relatively dynamic,and the energizers are static.This will improve the reliability and durability of bearing seal.The pressure compensator system and advanced grease can greatly increase the lubricating reliability.
-COMPANY PROFILE-
PEARLDRILL is a leader in the manufacture and development of many kinds of bits in China. We provide the best quality PDC coring drill, DTH drill, Tri drill bits etc to the market, all types of non-coring or coring drill traces. Our drill bits are used for well drilling, mining and construction contractors. Our drill bit has been tested and verified by time, with wear resistance and fast drilling speed. Different drill bits can be customized according to different rock formations. The engineering time is greatly shortened, and the maximum performance is exerted in the operation during drilling. Our products are durable and reliable. Our products are the preferred drill bits for drilling engineers in many countries because of our precise design and efficient drilling during use.
Main product
-WHY CHOSE US-
--The first-class engineers of tricone bits and PDC bits
DIY customization: please provide your rock formation information or detailed size drawings.
Free samples: some samples can be provided free of charge.
Payment:T/T L/C,D/A,D/P,Western Union,MoneyGram.
| Packaging |
| Wood Box Fumigation Tray if necessary Other special package can be applied according to customer's need |
| Delivery |
| Prepared to deliver within 1 week, if in stock Depends on order quantity, when out of stock Transportation:By sea or air |
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