FIELD: oil industry.
SUBSTANCE: method includes forcing a composition into bed, including polysaccharide, surfactant and solvent, as polysaccharide, galaktomannan is used, while prior to pumping, mixer is mounted on well mouth for mixing composition components. Composition may additionally contain modified starch and/or sodium benzoate, and/or potassium sorbate.
EFFECT: higher efficiency.
2 cl, 1 tbl, 11 ex
