Demulsifier for inclusion in injected acidization systems...

Details Demulsifier for inclusion in injected acidization systems... Demulsifier for inclusion in injected acidization systems...

E - Fixed Constructions

21

B

31/32

E21B 43/22 (2006.01) C09K 8/74 (2006.01)

Patent

CA 1156446

DEMULSIFIER FOR INCLUSION IN INJECTED ACIDIZATION SYSTEMS FOR PETROLEUM FORMATION STIMULATION (D#74,401-F) ABSTRACT The formation of stable oil-in-water emulsions in produced fluids from wells undergoing acidization treatment is prevented by the inclusion within the injected acidization chemical mixture of a long chain carboxylic acid ester of a polyhydric alcohol such as sorbitan monolaurate, sorbitan monopalmitate or sorbitan monooleate as a demulsification agent.

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