PRODUCTION OF INJECTION WATER BY COUPLING DIRECT-OSMOSIS METHODS WITH OTHER METHODS OF FILTRATION
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Feb 11, 2016
app pub date -
Apr 1, 2014
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Apr 3, 2013
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Abstract
The invention relates to a method for extracting hydrocarbons. The steps involve extracting a process flow from an underground formation, separating this flow into at least one hydrocarbon-containing fraction and one aqueous fraction referred to as the produced water, and reinjcting an injection water into the underground formation. The injection water intended to be introduced into the underground formation is produced partly in a direct-osmosis unit from produced water and partly in a nanofiltration and/or reverse-osmosis unit. The invention also relates to a process for extracting hydrocarbons throughout the exploitation life of the underground hydrocarbon reservoir, and to an injection-water production device especially designed for implementing this process.
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