Reaming apparatus and method with enhanced structural protection
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United States of America Patent
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Feb 24, 2004
Grant Date -
Nov 14, 2002
app pub date -
Apr 10, 2002
filing date -
Sep 9, 1999
priority date (Note) -
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Abstract
A method and apparatus for reaming or enlarging a borehole with the ability to drill cement, cement float equipment, and debris out of a casing without substantial damage to the casing interior or the reaming apparatus. The reaming apparatus also provides enhanced protection from contact with the casing wall for selected structural features and elements thereof.
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