Method of inhibiting silica dissolution during injection of stea

Details Method of inhibiting silica dissolution during injection of stea Method of inhibiting silica dissolution during injection of stea

1982-08-23

1984-10-09

Suchfield, George A.

Wells

Processes

Heating, cooling or insulating

E21B 4324

Patent

active

044755953

ABSTRACT:
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.

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patent: 4398603 (1983-08-01), Rodwell
Ali, "Wet Steam for Thermal Recovery", Producers Monthly, Feb. 1966, pp. 2 and 4-7.
Owens et al., "Performance of Equipment Used in High-Pressure Steam Floods", Journal of Petroleum Technology, Dec. 1966, pp. 1525-1531.
"Gravel Pack and Formation Sandstone Distillation During Steam Injection" by M. G. Reed, SPE Paper 8424, Sept. 23 to 26, 1979.

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