Acoustic transmitter and method to produce essentially longitudi

Details Acoustic transmitter and method to produce essentially longitudi Acoustic transmitter and method to produce essentially longitudi

1980-01-21

1982-02-02

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Wellbore telemetering

Through drill string or casing

175 56, G01V 140, E21B 4300

Patent

active

043143652

ABSTRACT:
A portable, electrohydraulic, acoustic transmitter releasably attaches to a solid medium such as a drill string to generate essentially longitudinal, acoustic signals in the medium. The signals are frequency modulated so that encoded messages may be transmitted between a surface and subsurface location to activate downhole equipment.

REFERENCES:
patent: 3016093 (1962-01-01), Bodine
patent: 3155163 (1964-11-01), Bodine
patent: 3168140 (1965-02-01), Bodine
patent: 3193027 (1965-07-01), Bodine
patent: 3252225 (1966-05-01), Hixson
patent: 3402611 (1968-09-01), Schwenzfeier
patent: 3564932 (1971-02-01), Lebelle
patent: 3980986 (1976-09-01), Baird et al.
patent: 4001773 (1977-01-01), Lamel et al.
patent: 4038632 (1977-07-01), Parker
patent: 4073341 (1978-02-01), Parker
McDonald et al., "Borehole Telemetry . . . Measurements", 9/15/75, pp. 111-118, The Oil & Gas Journal.
Lord et al., "Attenuation of Elastic . . . Detection", 11/77, pp. 49-54, Materials Evaluation, vol. 35, #11.
Squire et al., "A New Approach to Drill-String . . . Telemetry", 9/1979, pp. 1-8, 54th Annual Soc. of Petro. Eng. of AIME Conference.
Barnes et al., "Passbands for Acoustic Transmission . . . ", 11/71, pp. 1606-1608, Journal of Acoust. Soc. of America, vol. 51, #5.

Affiliated with

Also associated with

Rating

Acoustic transmitter and method to produce essentially longitudi does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Acoustic transmitter and method to produce essentially longitudi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Acoustic transmitter and method to produce essentially longitudi will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1824922