Process for breaking petroleum emulsions

Details Process for breaking petroleum emulsions Process for breaking petroleum emulsions

C - Chemistry, Metallurgy

10

G

196/206

C10G 33/04 (2006.01)

Patent

CA 1184865

PROCESS FOR BREAKING PETROLEUM EMULSIONS Abstract of the Disclosure A process for breaking petroleum emulsions of the oil-in-water type obtained by tertiary recovery methods in which said emulsion is first subjected to at least one first nonionic demulsifier of the alkoxylated alkyl phenol aldehyde resin type and the water phase and oil phase formed are recovered. Subsequently the water phase obtained is further subjected to at least one second nonionic demulsifier of the ethoxylated alkyl phenol aldehyde resin type and the oil phase formed is recovered. The process of the invention provides for the removal of an increased amount of oil from tertiary oil recovery oil-in-water emulsions.

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