Methods of designing rotary drill bits including at least one substantially helically extending feature
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United States of America Patent
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Sep 6, 2011
Grant Date -
Jun 19, 2008
app pub date -
Feb 20, 2008
filing date -
Sep 9, 2004
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Abstract
A method of designing a rotary drill bit includes selecting and positioning a plurality of cutting elements on a rotary drill bit. At least one substantially helically extending feature is selected and positioned to rotationally follow at least one of the plurality of cutting elements, the at least one substantially helically extending feature exhibiting a selected maximum Helical Pitch.
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