Superabrasive cutting element with enhanced durability and increased wear life and apparatus so equipped
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United States of America Patent
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-
Mar 20, 2001
Grant Date -
N/A
app pub date -
Dec 7, 1999
filing date -
Feb 15, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cutting element for use in drilling subterranean formations. The cutting element includes a superabrasive table mounted to a supporting substrate. The superabrasive table includes a two-dimensional cutting face having a cutting edge along at least a portion of its periphery, and a first surface extending forwardly and inwardly from a location radially interior of the cutting edge at a first angle of orientation with respect to the longitudinal axis of the cutting element. The cutting face also includes at least a second surface located between the first surface and the cutting edge and oriented at a different, greater angle to the longitudinal axis than the angle of orientation of the first surface.
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Cited Art Landscape
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