Recovery of petroleum by flooding with viscous aqueous solutions of acrylamide-diacetone acrylamide copolymers
Patent
·
OSTI ID:7093286
A viscous aqueous solution of the unhydrolyzed form of an acrylamide-diacetone acrylamide copolymer is used in polymer flooding, for secondary oil recovery. This particular copolymer does not exhibit reduced mobility reduction characteristics in solutions containing divalent alkaline earth metal salts, as is generally the case for acrylic type polymers. Hence the produced brines can be utilized as carrier liquids for the treating fluid.
- Assignee:
- Union Oil Co. of California
- Patent Number(s):
- US 3900069
- OSTI ID:
- 7093286
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ACRYLAMIDE
AMIDES
AQUEOUS SOLUTIONS
COPOLYMERS
DISPERSIONS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FOSSIL FUELS
FUELS
KETONES
MIXTURES
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
PETROLEUM
POLYMERS
SOLUTIONS
WATERFLOODING
WELLS
020300* -- Petroleum-- Drilling & Production
ACRYLAMIDE
AMIDES
AQUEOUS SOLUTIONS
COPOLYMERS
DISPERSIONS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FOSSIL FUELS
FUELS
KETONES
MIXTURES
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
PETROLEUM
POLYMERS
SOLUTIONS
WATERFLOODING
WELLS