Pressure signalling for fluidic media

Details Pressure signalling for fluidic media Pressure signalling for fluidic media

1995-10-04

1998-09-01

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Wellbore telemetering

Through well fluids

G01V 140

Patent

active

058020110

ABSTRACT:
A method and apparatus for remotely generating pressure signals in a fluid stream for telemetry purposes with minimal insertion loss and susceptibility to blocking flow of the fluid stream by providing a straight through acceleration path for the fluid stream followed by a straight through diffusion path, wherein pressure pulses representing data are generated by turbulence resulting from periodic disturbances made in the diffusion path.

REFERENCES:
patent: 2787759 (1957-04-01), Arps
patent: 3736558 (1973-05-01), Cubberly, Jr.
patent: 3958217 (1976-05-01), Spinnler
patent: 4869100 (1989-09-01), Birdwell
patent: 5272680 (1993-12-01), Stone et al.

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