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U.S. Department of Energy
Office of Scientific and Technical Information

Well acidizing compositions and methods

Patent ·
OSTI ID:6555201
Gelled acidic compositions suitable for matrix acidizing or fracture acidizing of subterranean formations are provided comprising water, a water-dispersible polymeric viscosifier such as a polymer of acrylamide, an acid, and a polyphenolic material such as lignite.
Assignee:
Phillips Petroleum Co
Patent Number(s):
US 4240505
OSTI ID:
6555201
Country of Publication:
United States
Language:
English