FIELD: oil and gas industry, particularly to clean well screens, pipeline surfaces, as well as different structures and devices.
SUBSTANCE: device comprises high-pressure pump, supply pipeline, cavitation oscillator arranged in the body. Cavitation oscillator comprises diffuser and contraction tube connected with each other through connection member. Arranged in connection member interior is vibro-resonator made as expansion chamber. Cavitation oscillator may slide in axial direction. Connection member is made as solid of revolution having diameter exceeding the smallest through diffuser orifice.
EFFECT: increased efficiency of productive bed and filter treatment.
8 cl, 5 dwg
