Cuttings bed removal tool
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United States of America Patent
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Feb 8, 2011
Grant Date -
Dec 6, 2007
app pub date -
May 22, 2007
filing date -
May 30, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A cuttings bed removal tool for use on a drill string in a well bore includes: a sub having a region of enlarged outer diameter over the string diameters indicated by its upper end connection and an indicator disposed downhole of the region of enlarged outer diameter and having at least one bypass port extending through the indicator to permit passage of fluid in an upward direction through the indicator.
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