Gelled aqueous compositions

Details Gelled aqueous compositions Gelled aqueous compositions

E - Fixed Constructions

21

B

400/1325, 400/59

E21B 43/25 (2006.01) C09K 8/508 (2006.01) C09K 8/62 (2006.01) C09K 8/88 (2006.01)

Patent

CA 1247270

0238p 3530b Lukach & Sun Case 1 GELLED AQUEOUS COMPOSITIONS Abstract of Disclosure Disclosed are gelled compositions in fresh water or brine solution, containing a polymer selected from the group consisting of water-soluble anionic or nonionic polymers capable of gelling in the presence of a gelling agent characterized in that the gelling agent is a water-soluble cationic poly(N-alkyldiallylamine)-epihalohydrin resin in an amount sufficient to cause a gel to form. The compositions are useful in the recovery of oil and gas by fracturing and as a matrix plugging agent in enhanced oil recovery.

490459

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