Matrix fixed cutter drill bits and methods for manufacturing same
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United States of America Patent
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Apr 25, 2017
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N/A
app pub date -
Dec 10, 2013
filing date -
Dec 10, 2013
priority date (Note) -
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Abstract
A fixed cutter drill bit for drilling a borehole in earthen formations includes a blank assembly and a matrix crown fixably mounted to the blank assembly. The blank assembly includes an annular mandrel and a plurality of elongate studs fixably coupled to the mandrel. The mandrel has a first end distal the crown and a second end engaging the crown. In addition, the mandrel includes a plurality of bores extending axially from the second end. Each elongate stud has a first end disposed within one of the bores and a second end disposed in the crown distal the mandrel.
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