API tricone drilling IADC216 7 5/8 inches (194mm) for oil rig
Product Description
Tricone bits are available in new and used (re-tip and re-run) steel tooth and tungsten carbide insert, size from 3 3/8”(85.7mm)to 26”(660.4mm) for use in all formations, with any bearing/seal type, and a wide range of additional custom features.Tricone bit, are widely used in mining, oil well, water well, thermal drilling.Tricone bit Included Steel Tooth (also referred to as milled tooth) bits and Tungsten Carbide Insert (TCI) bits,
TCI bits are much more durable than Steel Tooth ones, but carry a higher cost to manufacture.Both these two groups of Tricone Bits are available with Open Bearing or Sealed Bearing,Roller Bearing or Friction Bearing (Journal Bearing),Gage Protected or Non-Gage Protected, etc
Product Specification
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Basical Specification |
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Size of Rock Bit |
7 5/8" |
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190.5mm |
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Bit Type |
Steel Tooth Tricone Bit/ Milled tooth Tricone Bit |
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Thread Connection |
4 1/2 API REG PIN |
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IADC Code |
IADC 216 |
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Bearing Type |
Journal Sealed Roller Bearing |
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Bearing Seal |
Rubber Seal |
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Heel Protection |
Unvailable |
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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) |
12,842-36,385 lbs |
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57-162KN |
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RPM(r/min) |
60~180 |
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Formation |
Soft to medium formations with high compressive strength, such as mudstone,gypsum,salt,soft limestone ,etc.
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Steel tooth tricone rock bit is also named milled tooth tricone rock bit could drill soft mudstone, even soft limestone, the cones are hard faced by tungsten carbide, the bearing is journal and locked by ball, high grade elastomer(rubber)-HNBR O-ring sealed bearing, grease compensating system lubricate the bearing , the working life is very long.
