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

Method of inhibiting silica dissolution during injection of steam into a reservoir

Patent ·
OSTI ID:6043521

A method for inhibiting the dissolution of silica from the matrix around a well during injection of steam into the matrix by adding to the feedwater used to generate the steam or the steam itself an inhibitor comprising an ammonium or substituted ammonium compound selected from the group consisting of ammonium halides, ammonium salts of inorganic acids, ammonium salts of carboxylic acids, quaternary ammonium halides, and amine or substituted amine hydrochlorides.

Assignee:
Union Oil Company of California
Patent Number(s):
US 4475595
OSTI ID:
6043521
Country of Publication:
United States
Language:
English