Foaming acid-containing fluids

摘要: Foamed treating fluids contain an acid component, a gas, optionally organic solvent and emulsifying agent, and, as foaming mixture of quater­nary ammonium halide cationic surface active agent either alkylamido alkylamine oxide or betaine amphoteric agent. Such can be used to dissolve acid-soluble components from various surfaces, such subterranean reservoir penetrated by well, the well itself, industrial vessel conduit containing scale.