FIELD: oil and gas industry.
SUBSTANCE: invention refers to operation of well bores, particularly to means of acoustic effect onto walls of well bore and can be implemented, for example, at oil extraction. The facility for acoustic effect onto walls of well bore includes an ultrasonic generator created by several electrically connected between them functional blocks, a downhole apparatus in form of a hollow case and an ultrasonic converter, mainly magnetostrictive. The ultrasonic converter is mechanically connected with the downhole apparatus and also with the ultrasonic generator by means of a field coil. The functional blocks of the ultrasonic generator are successively arranged one after another and installed in the downhole apparatus, the case of which is made sectional. The ultrasonic generator is installed in one of the sections of the downhole apparatus and is additionally equipped with at least one radiating link, which is output from the case of the downhole apparatus.
EFFECT: reduction of power losses.
12 cl, 1 dwg
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