Wellbore milling inserts and mills
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United States of America Patent
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Nov 16, 1999
Issued Date -
N/A
app pub date -
Aug 21, 1997
filing date -
Sep 22, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An array of cutting inserts has been invented having a plurality of adjacent inserts, each insert comprising a body having a top surface, a bottom, and a base, and a plurality of spaced-apart chipbreaking indentations in the top surface of the body, and a strengthening ridge between adjacent indentations of the plurality of spaced-apart chipbreaking indentations, and a peripheral strengthening ridge around an outer edge of the top surface of the body surrounding the plurality of spaced-apart chipbreaking indentations.
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