Acoustic isolation for a telemetry system on a drill string

Details Acoustic isolation for a telemetry system on a drill string Acoustic isolation for a telemetry system on a drill string

1975-01-12

1978-01-03

Birmiel, Howard A.

Communications: electrical

Selective

Interrogation response

175 56, 175320, 267125, 267137, 340 18NC, 340 18R, G01V 140

Patent

active

040669955

ABSTRACT:
A system for the transmission of data along a borehole during drilling operations which includes an acoustic transmitter receiver and mechanical filters. Data is acoustically propagated from the transmitter to the receiver along a portion of the drill string which is isolated from noise generating elements of the drilling system by means of the mechanical filters.

REFERENCES:
patent: 2810546 (1957-10-01), Eaton et al.
patent: 3263446 (1966-08-01), Wiggins, Jr.
patent: 3309656 (1967-03-01), Godbey
patent: 3422912 (1969-01-01), Camp
patent: 3588804 (1971-06-01), Fort
patent: 3606392 (1971-09-01), Garrett
patent: 3732728 (1973-05-01), Fitzpatrick
patent: 3746330 (1973-07-01), Taciuk
patent: 3779040 (1973-12-01), Garrett
patent: 3790930 (1974-02-01), Lamel et al.
patent: 3947009 (1976-03-01), Nelmark
"High Pressure Drilling and Blowout Prevention," Bell, Oil and Gas Journal, 10/14/57, pp. 138-165, Spec. p. 138.

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