FIELD: oil-producing industry; applicable in production of oils with high content of paraffins, resins and asphaltenes. SUBSTANCE: method includes preparation and supply of chemical reagent to system. Well product is mixed with chemical reagent. Oil product with chemical reagent and/or a part of oil product with reagent is treated with alternating low-frequency magnetic field and supplied to well annular space for washing of tubing and well flow lines under normal operating conditions and/or to gathering main. In case of necessity of washing of formed accumulations, supplied to well is treated part of product with stopping of well pump. EFFECT: increased contact of reagent with particles of asphaltenes, resins and paraffins. 1 dwg
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