DRILLING FLUID LUBRICANT AND METHOD OF USE
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United States of America Patent
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Issued Date -
Mar 19, 2009
app pub date -
Dec 17, 2007
filing date -
Sep 14, 2007
priority date (Note) -
Abandoned
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Abstract
A method for increasing drilling rates by reducing torque and drag in hostile environments such as high pressure, high temperature, and horizontal wells is provided by adding chemically and thermally inert spherical carbon beads to the drilling fluid.
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