Scoop
Scoops are used in roller cone drill bits for soft formations where high penetration rates are required.
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Line Drawing
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Chisel
Like scoops, these chisel compacts are
used in soft formations where fast penetration
rates are possible and tooth breakage
is minimal.
2-Flat
Chisel
3-Flat
Chisel
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Wedge Crested Chisel
These types of chisel compacts are used in the outer row, or gage row of roller cone bits.
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Line Drawing
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Wing Tip
This chisel-shaped compact is designed for raised bore drilling in mining operations.
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Line Drawing |
Single Conical
Single conicals are used in formations of medium hardness in both roller cone and percussion bits.
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Line Drawing |
Double Conical
Double conical compacts are used in roller cone bits for drilling medium-hard to hard formations.
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Line Drawing |
Parabolic
These parabolic, ballistic or ogive compacts are used in medium-hard rock formations in both roller cone and percussion bits.
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Line Drawing |
Multi-Dome
These compacts are specially designed for faster drilling rates in percussion bits. Their unique shapes allow for extended bit life before re-sharpening is required.
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Line Drawing |
Ovoid
These round or ovoid shaped compacts are used in both percussion bits and roller cone bits (and other applications), where very hard formations are drilled.
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Cross-Reference
