Tricone bit is one of the main tools for blast hole and water well drilling. Its life span and performance whether suitable for
drilling or not, that has an great influence about the quality, speed and cost of drilling projec
The rock breakage by the tricone bit which used in oilwell drilling or mining well are working with both the impact of teeth and the shear caused by slippage of the teeth, which bring high rock breaking efficiency and the low operation cost.
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Basical Specification |
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Size of Rock Bit |
17 1/2" |
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444.5mm |
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Bit Type |
Steel Tooth Tricone Bit/ Milled tooth Tricone Bit |
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Thread Connection |
7 5/8 API REG PIN |
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IADC Code |
IADC 127 |
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Bearing Type |
Journal Sealed Roller Bearing |
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Bearing Seal |
Rubber Seal |
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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) |
29,964-84,897 lbs |
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133-378KN |
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RPM(r/min) |
60~180 |
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Formation |
Soft formations with low compressive strength and high drillability,such as mudstone,gypsum,salt,soft limestone ,etc. |