Device for cleaning water wells
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United States of America Patent
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Jun 5, 2018
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app pub date -
Apr 30, 2013
filing date -
Apr 30, 2013
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Abstract
A device for cleaning water wells comprises a downhole tool composed of an electrohydraulic unit (7) with an oscillatory circuit and an ultrasonic unit (4) with an electroacoustic transducer (3) arranged successively in a single housing, sensors of pressure (10) and flow (11), a hydrophone (12), a pump, an ultrasonic generator (13), a pulse generator (14), monitoring equipment (15) for the sensors, a downhole tool control unit (16) equipped with a synchronizer of operation of the electrohydraulic unit (7) and the ultrasonic unit (4), and also with a device for controlling pulse width, beating frequency and spectrum of the signal of the oscillatory circuit of the electrohydraulic unit in order to change the treatment zone. Furthermore, a discharge chamber (8) and a protective cap (9) are arranged in the bottom part of the downhole tool.
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