Roller cone drill bit
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Applicable formations: High-compressive-strength, medium-hard, and abrasive formations such as limestone, dolomite, sandstone, flint, and more
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Applicable formations: High-compressive-strength, medium-hard, and abrasive formations such as limestone, dolomite, sandstone, flint, and more
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Applicable strata: Medium-hard formations with high compressive strength and hard interlayers, such as hard shale, sandstone, limestone, and more.
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Applicable formations: Extremely soft formations with low compressive strength and high drillability, such as soft shale, clay, salt rock, and more.
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