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

Secondary recovery process utilizing sulfonated polyphenols

Patent ·
OSTI ID:6586746
Hydrocarbons are recovered from subterranean formations by injecting into a hydrocarbon bearing formation via an injection well a fluid comprising water containing a small amount of a water-soluble, sulfonated, ethoxylated polyphenol, forcing the said fluid through the formation and recovering hydrocarbons through a production well. The fluids employed may, if desired, contain an alkaline agent such as sodium hydroxide.
Assignee:
Texaco Development Corp
Patent Number(s):
US 4226731
OSTI ID:
6586746
Country of Publication:
United States
Language:
English