Steam foam floods with a caustic agent

摘要

Disclosed is a process of adding a caustic material to a steam foam composed of steam, foaming agent and a non-condensible gas to increase the resistance and lifetime of a steam foam, said caustic agent selected from the group consisting of sodium carbonate, sodium bicarbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, ammonium hydroxide, sodium silicate, and sodium orthosilicate.