ConocoPhillips
Delayed gelation of polymers
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Abstract:
The disclosure is directed to methods and compositions delaying the gelation of polymers in water flooding by sequentially or co-injecting a carboxylate-containing polymer solution, a gel-delaying polymer, and gelation agent into a hydrocarbon reservoir. Delays of weeks are observed.
Status:
Grant
Type:
Utility
Filling date:
8 Sep 2015
Issue date:
1 Dec 2020