Environmentally acceptable well cement fluid loss control additives, compositions, and methods
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United States of America Patent
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Sep 30, 2003
Grant Date -
Nov 7, 2002
app pub date -
Apr 30, 2002
filing date -
Dec 8, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Environmentally acceptable well cement fluid loss control additives, cement compositions including the additives and methods of using the compositions are provided. The environmentally acceptable fluid loss control additives are comprised of ethoxylated hydroxyethylcellulose having a reduced molecular weight.
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