FIELD: oil and gas industry.
SUBSTANCE: thermothropic gelling agent for shutoff of water influx to wells and oil recovery increase contains aluminium salts in quantity of 2.5-20.0 wt % in the form of aluminium chloride or polyoksichloride and fresh or mineralized water. At that the compound contains additionally acetate in the form of sodium acetate in quantity of 2.0-10.0 wt %, it may contain 0.0-30.0 wt % of carbamide and 0.0-2.5 wt % of fine polyacrylamide with diameter of particles of 40-80 mcm.
EFFECT: improving efficiency of water influx shutoff and increasing oil recovery.
2 cl, 6 ex, 3 tbl
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