DRILL BIT FOR HORIZONTAL DIRECTIONAL DRILLING
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United States of America Patent
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Issued Date -
Aug 13, 2015
app pub date -
Feb 6, 2015
filing date -
Feb 7, 2014
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Abstract
A bit body for a drill bit for horizontal directional drilling includes a pair of legs and a small wedge member disposed between the pair of legs. A roller cone is rotatably mounted to each bearing shaft extending from a respective leg. The roller cones support full coverage cutting structures. A center jet nozzle is configured to direct drilling fluid between the pair of roller cones. A stabilizer member maintains an upright drilling position of the drill bit within the borehole.
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