In situ reversible crosslinked polymer gel used in hydrocarbon recovery applications
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United States of America Patent
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Jan 21, 1992
Grant Date -
N/A
app pub date -
Oct 16, 1990
filing date -
Oct 16, 1990
priority date (Note) -
Expired
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Abstract
Reversible crosslinked polymer gels are prepared by adding a degelling agent precursor to a gelation solution during initial preparation. The precursor is integrated into the resulting gel and undergoes hydrolysis to transform into an active degelling agent which reverses the gel. The process has specific utility to hydrocarbon recovery applications where in situ gels are difficult to contact with conventional reversing agents.
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