Well treatment process
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United States of America Patent
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Sep 18, 1990
Issued Date -
N/A
app pub date -
Jun 19, 1989
filing date -
Feb 16, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Hydroxyacetic acid condensation product is used as a fluid loss material in a well completion or workover process in which a fluid comprising a hydrolyzable aqueous gel is used. The hydroxyacetic acid condensation product degrades at formation conditions to provide hydroxyacetic acid which breaks the aqueous gel, thereby restoring full formation permeability without the need for separate addition of gel breaker.
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