Streamlined pocket design for PDC drill bits
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United States of America Patent
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Nov 8, 2016
Grant Date -
Jul 3, 2014
app pub date -
Dec 11, 2013
filing date -
Dec 28, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A cutter pocket, a downhole tool formed with at least one cutter pocket, and a method for coupling a cutter to the cutter pocket is described herein. The cutter pocket is formed within at least one blade of the downhole tool and includes a pocket back fabricated from a first material, a first pocket side extending from one end of the pocket back to a leading edge of the downhole tool, and a second pocket side extending from an opposing end of the pocket back to the leading edge. The pocket back and the pocket sides define a cavity. A cutter is positioned and coupled at least partially within the cavity. The height of an upper surface of the first material of the pocket back ranges between thirty percent to sixty-five percent of the cutter girth.
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