Resonant acoustic transmitter apparatus and method for...

Communications: electrical – Wellbore telemetering or control – Using a specific transmission medium

Reexamination Certificate

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C367S082000

Reexamination Certificate

active

06891481

ABSTRACT:
A well system having a sensor; a controller for converting the sensor output, a signal conducting mass, an actuator for inducing an acoustic wave the signal conducting mass, a reaction mass, an acoustic wave receiver up-hole, and a processor for processing a signal from the acoustic wave receiver and for delivering the processed signal to an output device.

REFERENCES:
patent: 3813656 (1974-05-01), Fowler
patent: 3934673 (1976-01-01), Silverman
patent: 4314365 (1982-02-01), Petersen et al.
patent: 4519053 (1985-05-01), Bedenbender
patent: 4715470 (1987-12-01), Paulsson
patent: 4992997 (1991-02-01), Bseisu
patent: 5319610 (1994-06-01), Airhart
patent: 5568448 (1996-10-01), Tanigushi et al.
patent: 5675325 (1997-10-01), Taniguchi et al.
patent: 2236782 (1991-04-01), None

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