INFORMATION-MEASUREMENT SYSTEM FOR GEOPHYSICAL SURVEY OF HOLES Russian patent published in 2003 - IPC

Abstract RU 2205427 C2

FIELD: geophysics. SUBSTANCE: information-measurement system includes ground and downhole parts interconnected by means of geophysical cable. Ground part has computer, ground modulator, ground receiver, unit of signal processor, matching facility, technological multichannel analog-to-digital converter with corresponding couplings. Downhole part incorporates family of geophysical transducers, measurement unit, microprocessor, downhole modulator supplemented with unit of digital synthesizer, band-pass filter, power supply unit with proper couplings. EFFECT: raised data transmission rate. 3 cl, 9 dwg

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RU 2 205 427 C2

Authors

Beskrovnyj N.I.

Dates

2003-05-27—Published

2001-07-04—Filed