Telemetry system

Details Telemetry system Telemetry system

1978-12-13

1981-10-06

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Wellbore telemetering

Through drill string or casing

166 73, 73579, G01V 140

Patent

active

042939364

ABSTRACT:
A telemetry system for transmitting data between a downhole location in a wellbore and the surface of a well utilizing an acoustic signal which operates within naturally occurring passbands on a string of pipe have substantially fixed frequency ranges which are related to pipe length and condition.

REFERENCES:
patent: 3190388 (1965-06-01), Moser et al.
patent: 3252225 (1966-05-01), Hixson
patent: 3697940 (1972-10-01), Berka
patent: 3845837 (1974-11-01), McEuevers, Jr. et al.
patent: 3889228 (1975-06-01), Shawhan
patent: 3930220 (1975-12-01), Shawhan
patent: 4001773 (1977-01-01), Lamel et al.
patent: 4073341 (1978-02-01), Parker
Barnes et al., "Passband for Acoustic Transmission . . . String," 1972, pp.1606-1608, Jour. of the Acoust. Soc. Amer., vol. 51, #5.

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