Borehole televiewer

Details Borehole televiewer Borehole televiewer

1986-11-17

1988-10-25

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367 35, 367171, 181402, H04R 1700

Patent

active

047808624

ABSTRACT:
A borehole televiewer uses an acoustic fluid which is lubricating, non-toxic, thermally conductive, electrically insulating, non-reactive, tolerant of high temperatures and pressures, impedance-matched to that of the borehole fluids and the tool window, and which has a low kinematic viscosity at low temperatures.

REFERENCES:
patent: 3369626 (1968-02-01), Zemanek, Jr.
patent: 3478839 (1969-11-01), Zemanek, Jr.
patent: 3961305 (1976-06-01), Green
patent: 4188609 (1980-02-01), Mott
patent: 4382290 (1983-05-01), Hauira
patent: 4567921 (1986-02-01), King
patent: 4596903 (1986-06-01), Yoshizawa
patent: 4704708 (1987-11-01), Dennis

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