Environmentally acceptable well cement fluid loss control additives, compositions and methods
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United States of America Patent
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Jun 18, 2002
Grant Date -
N/A
app pub date -
Dec 8, 2000
filing date -
Dec 8, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
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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