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publicationDate 1990-09-18-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber US-4957165-A
titleOfInvention Well treatment process
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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