Fixed cutter drill bit
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United States of America Patent
Stats
-
Jun 1, 2010
Grant Date -
N/A
app pub date -
Apr 6, 2006
filing date -
Apr 7, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The fixed cutter drill bit disclosed utilizes a unique piloting section and reaming section carefully designed to impart several specific operational advantages. In the piloting section, cutting structures have been arranged so as to create offsetting cutting forces that result in a net zero imbalance during operation. Furthermore, the piloting section utilizes carefully placed shock studs which aid in protecting the primary cutting structure. In addition, the location of the fluid supply nozzles on the body of the reamer section serves to indicate the occurrence of a catastrophic cutting structure failure below the pilot gage.
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Cited Art Landscape
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