Large diameter oil well drilling bit
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United States of America Patent
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-
Jan 25, 1983
Grant Date -
N/A
app pub date -
Jun 5, 1980
filing date -
Jun 5, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention discloses a large diameter oil well drilling bit which utilizes a unique cast body upon which are secured a plurality of cutting assemblies comprising a leg, a bearing journal and a rolling cutter mounted on the bearing journal.
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Cited Art Landscape
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