FIELD: petroleum production industry, more particularly inhibition of corrosion on oil production equipment and asphalthene- resin-paraffin depositions. SUBSTANCE: corrosion inhibitor deemulsifier comprises, wt.-%: dimethyl phosphite, 035-0.5; amines, 0.35-0.5; oxyalkylated surfactant, 14.0-19.3; phosphenox, 9.0-25.0; 15.0-20.0 diproxamine, 15.0-20.0; and solvent, the balance. EFFECT: improved properties. 3 cl, 2 tbl
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