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TRAITEMENT D'UNE EAU PRODUITE, OBTENUE EN PARTICULIER À PARTIR D'UN PROCÉDÉ DE RÉCUPÉRATION DE PÉTROLE CHIMIQUEMENT AMÉLIORÉ FAISANT APPEL À DES POLYMÈRES AUGMENTANT LA VISCOSITÉ
TRAITEMENT D'UNE EAU PRODUITE, OBTENUE EN PARTICULIER À PARTIR D'UN PROCÉDÉ DE RÉCUPÉRATION DE PÉTROLE CHIMIQUEMENT AMÉLIORÉ FAISANT APPEL À DES POLYMÈRES AUGMENTANT LA VISCOSITÉ
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摘要
The present invention is concerned with the treatment of produced water, that may be obtained from a chemically enhanced oil recovery process using viscosity-increasing polymeric compounds. Said treatment comprises particularly the steps of obtaining a produced water, such as from an oil-water mixture recovered from an oil-bearing formation, wherein the produced water comprises the viscosity-increasing polymeric compounds; and, of directing the produced water to a specific filtration device, and subjecting the produced water to filtration, for obtaining a retentate stream and a permeate stream. Said process allows particularly obtaining a permeate comprising the viscosity-increasing polymeric compounds, said permeate being substantially free of suspended solids, free oil and emulsified oil.
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