Lost circulation material with rice fraction
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United States of America Patent
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Feb 4, 1997
Issued Date -
N/A
app pub date -
Aug 12, 1994
filing date -
Mar 28, 1991
priority date (Note) -
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Abstract
An additive to reduce fluid loss from drilling fluids is comprised of comminuted products from the rice plant or blends of other comminuted plant materials with the rice products. Polymers to reduce fluid loss even lower and friction-reducing materials may be added to the plant materials.
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Cited Art Landscape
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