METHOD OF TREATING AN UNDERGROUND FORMATION

摘要

A method of treating an underground formation comprising the sequential steps of: (a) contacting the formation with an aqueous medium; (b) contacting the formation with a hydrocarbon fluid; (c) contacting the formation with a solvent in the form of a glycol ether; and (d) contacting the formation with a consolidation solution of between 30 and 60 %m of monomeric and/or polymeric organic polyepoxides having more than one epoxy group per molecule and between 5 and 20 %m of a curing agent in the solvent.