Method for monitoring the wear of a rotary type drill bit
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United States of America Patent
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May 22, 1990
Issued Date -
N/A
app pub date -
Dec 20, 1988
filing date -
Mar 27, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rotary drill bit is provided with cutting elements having a front layer of interbonded abrasive particles, such as synthetic diamonds, which layer has a thickness that varies with distance from the bit body. The characteristic relation thus obtained between bit agressiveness and bit wear can be used to monitor the bit wear condition during drilling.
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