FIELD: physics, acoustics.
SUBSTANCE: invention relates to geophysical well survey using an acoustic method based on reflected waves. The electronic unit of the device is further equipped with a Flash memory card, a telemetry channel, a gamma logging channel and a continuous tiltmeter, and the probing part of the device is divided into "dry" and oil-filled compartments and is further equipped with a sensor for measuring ultrasound speed in a liquid, mounted on the outer side of the housing. The oil-filled compartment accommodates an ultrasonic sensor, a contactless collector and a contactless line pulse former. The ultrasonic sensor with elements of the collector and the line pulse former are rotated by a contactless rotary electric drive.
EFFECT: invention improves measurement accuracy and improves reliability of the device.
5 dwg
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