Inhibiting silica dissolution during injection of steam into...

Details Inhibiting silica dissolution during injection of steam into... Inhibiting silica dissolution during injection of steam into...

E - Fixed Constructions

21

B

31/14

E21B 43/24 (2006.01)

Patent

CA 1224023

ABSTRACT OF THE DISCLOSURE 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.

462336

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