API three cones bits in the stock from China factory have 2% discount for big quantity.
Bit Description:
IADC: 517 - TCI journal sealed bearing bit with gauge protection for soft to medium soft formations with low compressive strength .
Compressive Strength:
85 - 100 MPA
12,000 - 14,500 PSI
Ground Description:
Medium hard and abrasive rocks such as sandstones with streaks of quartz, hard limestone or chert, hematite ores, hard, well-compacted abrasive rock such as: sandstones with quartz binder, dolomites, quartzite shales, magma and metamorphic coarse grained rocks.
Far Eastern Drilling can offer tricone drill bits in a variety of sizes (from 3 7/8” to 26”) and most of IADC Codes.
13 5/8 inches (346mm) API TCI Tricone Bits for Hard Rock Drilling Rocks hardness could be soft , medium and hard or very hard, hardness of one type of rocks may be also a little different, for example, limestone, sandstone, shale has soft limestone, medium limestone and hard limestone, medium sandstone and hard sandstone, etc.
Choose the proper rocks drilling bits is very important before starting project. Mostly IADC517 is for drilling soft rocks and IADC637 is for drilling hardest.
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Basical Specification |
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Size of Rock Bit |
13 5/8 inches |
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346.1 mm |
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Bit Type |
TCI Tricone Bit |
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Thread Connection |
6 5/8 API REG PIN |
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IADC Code |
IADC 517G |
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Bearing Type |
Journal Sealed Bearing with Gauge Protection |
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Bearing Seal |
Elastomer or Rubber/ Metal |
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Heel Protection |
Available |
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Shirttail Protection |
Available |
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Circulation Type |
Mud Circulation |
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Drilling Condition |
Rotary drilling, high temp drilling, deep drilling, motor drilling |
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Nozzles |
3 |
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Operating Parameters |
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WOB (Weight On Bit) |
12,134-32,581 lbs |
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346-121KN |
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RPM(r/min) |
140~60 |
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Formation |
Soft to medium formation with low compressive strength, such as mudstone, gypsum, salt, soft limestone, etc. |
In drilling project, Far Eastern have 15 years and more than 30 countries services experience to supply the drill bits and advanced drilling soulutions for many different applications. The application including oil field,natural gas, geological exploration, driectional boring, mining, water well drilling, HDD, construction, and foundation.The various drill bits can be customized as per different rock formation becasue we have our own API & ISO certified factory of drill bits. We can give our engineer's solution when you can supply specific conditions, such as hardness of rocks,types of drilling rig,rotary speed,weight on bit and torque. It is also hlep us to find the siutable drill bits after you can tell us vertical well drilling or horizontal drilling ,oil well drilling or No-Dig drilling or foundation piling..
Far Eastern are factory specializes in drill bits,such as tricone bits, PDC bits, HDD hole opener, Foundation roller cutters for different applications.
As a leading drill bits factory in China, increase the drill bit working life is our target. We always try to improve the bits with high penetration rates.Our purpose is to sell the high quality with the lowest price.