Resonant acoustic transducer system for a well drilling string

Details Resonant acoustic transducer system for a well drilling string Resonant acoustic transducer system for a well drilling string

1980-01-21

1981-11-24

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Wellbore telemetering

Through drill string or casing

367162, 175 40, G01V 140

Patent

active

043028268

ABSTRACT:
For use in transmitting acoustic waves propagated along a well drilling string, a piezoelectric transducer is provided operating in the relatively low loss acoustic propagation range of the well drilling string. The efficiently coupled transmitting transducer incorporates a mass-spring-piezoelectric transmitter combination permitting resonant operation in the desired low frequency range.

REFERENCES:
patent: 2406859 (1946-09-01), Smith
patent: 2425869 (1947-08-01), Dillon
patent: 3824486 (1974-07-01), Maciag
patent: 3832677 (1974-08-01), Brendan et al.
patent: 3988896 (1976-11-01), Matthews
patent: 4066995 (1978-01-01), Matthews
patent: 4139836 (1979-02-01), Chaney et al.
patent: 4231112 (1980-10-01), Massa

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