Metal coiled tubing with signal transmitting passageway

Wells – With electrical means

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Details

166 772, E21B 2300

Patent

active

055424724

ABSTRACT:
A combination of a metal coiled tubing and a signal transmitting passageway for transmitting and/or receiving signals to well tools positioned in the coiled tubing. The signal transmitting passageway is positioned in the wall of the coiled tubing and may transmit and receive hydraulic, electrical or light signals and the signals may be used for transmitting power signals for actuating well tools, control signals for controlling well tools, and/or data signals for transmitting or receiving information.

REFERENCES:
patent: 4463814 (1984-08-01), Horstmeyer et al.
patent: 4844166 (1989-07-01), Going et al.
patent: 4863091 (1989-09-01), Dubois
patent: 5269377 (1993-12-01), Martin
patent: 5284682 (1993-02-01), Delacour et al.
patent: 5285204 (1994-02-01), Sas-Jaworsky

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