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

1981-08-11

Birmiel, Howard A.

Communications, electrical: acoustic wave systems and devices

Wellbore telemetering

Through drill string or casing

367180, 367165, 310322, 310334, 310355, G01V 140

Patent

active

042837804

ABSTRACT:
For use in transmitting acoustic waves propated 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 a resonant operation in the desired low frequency range.

REFERENCES:
patent: 2858108 (1958-10-01), Wise et al.
patent: 3900827 (1975-08-01), Lamel

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