FIELD: oil production industry, particularly for oil reservoir development and water intake and ore hole cleanup.
SUBSTANCE: device comprises composite acoustic radiator made as piezoceramic rod and passive rear strap located in sealed body. Active emitting strap formed as a disc is also provided. The disc is arranged beyond the bounds of sealed body and has two flat emitting surfaces located transversely to longitudinal axis of the device. Acoustic radiator is fitted with at least one metal reflector having flat surfaces extending in parallel to flat surfaces of active emitting strap and displaceable relative device axis so that they may be fixed in predetermined position.
EFFECT: increased intensity of acoustic action in bottom zone of casing pipe and in borehole environment.
3 cl, 1 dwg
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