FIELD: oil production industry. SUBSTANCE: installed in pipe which is used for delivery of water to be injected into well are several magnetic units. These magnetic units are installed coaxially by means of centralizers. Each magnetic unit is made up of pair of cylindrical permanent magnets containing oppositely directed like poles. Magnetic units are made at least of two different diameters and are installed alternately. The arrangement of device allows for carrying out continuous barotreatment ands magnetic treatment of water being delivered through pipe. EFFECT: higher efficiency. 1 dwg
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