FIELD: oil-and-gas industry.
SUBSTANCE: proposed device comprises electrically driven water pump, quarter-wave resonators arranged at downhole motor to be downed at oil-well tubing. Said pump accommodates sound generator. Said sound generator comprise percussion mechanism composed of striker made up of flat plate, spring to impart required power to striker and trigger composed of running bearing coupled via pin and sleeve with rotary pump.
EFFECT: higher efficiency of cleaning and operation.
13 dwg
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