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:
Application
Type:
Utility
Filling date:
26 Oct 2020
Issue date:
25 Feb 2021