WELL-TREATING PROCESS AND AQUEOUS SOLUTION FOR USE IN SAID PROCESS

摘要

ABSTRACTWELL-TREATING PROCESS AND AQUEOUS SOLUTION FORUSE IN SAID PROCESSA process for stimulating a hydrocarboncontaining underground formation comprisingsiliceous material, by treating the formation withan aqueous solution in which a mud acid is generatedfrom a fluoride salt and a relatively slowly-reactive acid-yielding material formed by chloro-carboxylate material from which chlorine is relativelyeasily hydrolyzable.