DELAYED GELATION OF POLYMERS

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.

Bibliographische Detailangaben

Hauptverfasser:	GUAN, Huili, CHRISTIAN, Terry M, MORADI ARAGHI, Ahmad, BERKLAND, Cory, NEEDHAM, Riley B, LIANG, Jenn-Tai, CHENG, Min
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES
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