AMINOALKYLATED POLYACRYLAMIDE ALDEHYDE GELS,THEIR PREPARATION AND USE IN OIL RECOVERY

Aqueous gel-forming compositions useful for improving oil recovery from subterranean hydrocarbon-containing reservoirs are prepared by reacting an aminoalkylated polyacrylamide with an aldehyde, dialdehyde or derivative thereof in aqueous medium. These compositions are particularly effective in redu...

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Bibliographic Details
Main Authors FU-NING FUNG, RAYMOND CHARLES GLOWAKY
Format Patent
LanguageEnglish
Published 27.12.1989
Edition4
Subjects
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
DYES
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MINING
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:Aqueous gel-forming compositions useful for improving oil recovery from subterranean hydrocarbon-containing reservoirs are prepared by reacting an aminoalkylated polyacrylamide with an aldehyde, dialdehyde or derivative thereof in aqueous medium. These compositions are particularly effective in reducing excessive water encroachment at producer wells.
Bibliography:Application Number: ZA19880002853