FIELD: oil and gas industry.
SUBSTANCE: device contains a remote oil mixer (3) with fresh flushing water and a water chamber (2) for oil flushing and a settling chamber (11) located in a common body (1) separated by transverse partition (10). The settling chamber is an electric precipitation chamber. The device can further comprise a pre-dewatering chamber. A gas separation chamber can be additionally installed on the body of the pre-dewatering chamber. There are one or more injector mixers placed vertically or under inclination in the water flushing chamber and provided with nozzles (4) and coaxial mixing nipples (5) in the lower part.
EFFECT: increased efficiency of oil dehydration and demineralisation by increasing time for mixing oil with water at high water-oil ratio.
7 cl, 5 dwg
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