Gelled acidic well treating composition and process
Patent
·
OSTI ID:6303357
Gelled acidic compositions suitable for either matrix-acidizing or fracture-acidizing of subterranean formations comprising water , a water-dispersible polymer selected from cellulose ethers and polymers of acrylamides, an acid, an aldehyde, and a phenolic compound capable of causing gelation of an aqueous dispersion of the polymer, acid, aldehyde, and phenolic compound are provided. In another embodiment, guar gum, polyvinylpyrrolidone and biopolysaccharides can also be used as the polymeric component in said compositions.
- Assignee:
- Phillips Petroleum Co
- Patent Number(s):
- US 4244826
- OSTI ID:
- 6303357
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ACIDIZATION
ALDEHYDES
AROMATICS
COLLOIDS
DEVELOPERS
DISPERSIONS
FORMALDEHYDE
GELS
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INORGANIC ACIDS
OIL WELLS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PHENOLS
POLYMERS
POLYPHENOLS
RESORCINOL
WATER
WELLS
020300* -- Petroleum-- Drilling & Production
ACIDIZATION
ALDEHYDES
AROMATICS
COLLOIDS
DEVELOPERS
DISPERSIONS
FORMALDEHYDE
GELS
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INORGANIC ACIDS
OIL WELLS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PHENOLS
POLYMERS
POLYPHENOLS
RESORCINOL
WATER
WELLS