FIELD: oil production, treatment of face zone of well complicated by fall-out of asphalt-resin-paraffin deposits. SUBSTANCE: process of treatment of face zone of well includes injection of composition of surface active substance in mixture with aliphatic and aromatic solvents, driving of composition into face zone of bed, technological curing and putting well on stream. Salt of gossipic resin with concentration 0.01-0.1% is employed as surface active substance. Well can be treated in advance with solvent or acidic solution. EFFECT: raised efficiency of treatment of face zone of well complicated by fall-out of asphalt-resin-paraffin deposits due to restoration of intake capability of injection and yield of production wells. 1 cl, 1 tbl
Authors
Dates
2003-04-27—Published
2001-11-08—Filed