FIELD: production of oil during acidic treatment of pool. SUBSTANCE: according to invention there are mounted from beneath upwards inlet cone with tail, packer and jet- type pump. This assembly is sunk into well on pipe string, packer is released, receiver-converter of physical fields is lowered on logging cable or wire through flow passage of body of jet-type pump together with sealing unit. Background values of physical fields are measured from wellhead to face of well, medium is pumped away from under-packer space, profile of inflow with preset value of depression on productive pool is recorded and nonworking seams in examined interval of productive well are determined. Then supply of liquid medium to jet-type pump is stopped, receiver-converter of physical fields is taken from well together with sealing unit, packer is set into transportation position, blocking insert is installed in location seat and acidic solution is pumped into pipe-string. Ultrasound radiator is lowered into well and zone of pool near well is subjected to ultrasound treatment with simultaneous forcing of acidic solution into well by formation of required pressure in pipe string at wellhead. EFFECT: increased output of pool. 5 dwg
