Altering high temperature subterranean formation permeability
Patent
·
OSTI ID:5574017
This patent describes a delayed acrylamide containing polymer crosslinker having stability in an aqueous solution at high temperatures. It comprises: a combination of an aldehyde and a salicylic acid derivative selected from salicylamide and acetysalicylic acid.
- Assignee:
- Phillips Petroleum Co., Bartlesville, OK (USA)
- Patent Number(s):
- US 4994194; A
- Application Number:
- PPN: US 7-516197
- OSTI ID:
- 5574017
- Resource Relation:
- Patent File Date: 30 Apr 1990
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
DISPLACEMENT FLUIDS
CHEMICAL COMPOSITION
FLUID INJECTION
GEOLOGIC FORMATIONS
PERMEABILITY
POLYMERS
CROSS-LINKING
AMIDES
RESERVOIR ROCK
SALICYLIC ACID
TEMPERATURE RANGE 0400-1000 K
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
FLUIDS
HYDROXY ACIDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
POLYMERIZATION
TEMPERATURE RANGE
020300* - Petroleum- Drilling & Production
DISPLACEMENT FLUIDS
CHEMICAL COMPOSITION
FLUID INJECTION
GEOLOGIC FORMATIONS
PERMEABILITY
POLYMERS
CROSS-LINKING
AMIDES
RESERVOIR ROCK
SALICYLIC ACID
TEMPERATURE RANGE 0400-1000 K
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
FLUIDS
HYDROXY ACIDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
POLYMERIZATION
TEMPERATURE RANGE
020300* - Petroleum- Drilling & Production