Drill bit apparatus to control torque on bit
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United States of America Patent
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Jun 11, 2019
Grant Date -
Aug 20, 2015
app pub date -
Oct 10, 2013
filing date -
Oct 11, 2012
priority date (Note) -
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Abstract
In accordance with some embodiments of the present disclosure, a drill bit for drilling a wellbore in a subterranean formation comprises a plurality of cutters disposed at a contact face of the drill bit. Each of the cutters has a cutting face arranged to cut into the formation when the drill bit is rotated about an axis of rotation passing through the contact face during drilling of the wellbore. At least one of the cutters located inside a gauge portion of the drill bit is machine to form a substantially flat surface that intersects with the cutting face of the cutting and defines a cutting edge of the cutting face of the cutter.
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