Method and appartus for remote control of wellbore end devices

Details Method and appartus for remote control of wellbore end devices Method and appartus for remote control of wellbore end devices

E - Fixed Constructions

21

B

E21B 47/18 (2006.01) E21B 23/00 (2006.01) E21B 23/04 (2006.01) E21B 34/06 (2006.01)

Patent

CA 2187010

A wellbore remote control system is disclosed which includes (1) a transmission apparatus for generating at least one acoustic transmission having a particular transmission frequency, (2) a reception apparatus which includes an electronic circuit (preferably digital) which detects and identifies the acoustic transmissions, and which provides an actuation signal to an electrically-actuated wellbore tool if a match is detected.

L'invention concerne un système de commande à distance de puits de forage constitué par (1) un appareil d'émission servant à générer au moins une émission acoustique possédant une fréquence de transmission particulière, (2) un appareil de réception comprenant un circuit électronique (de préférence numérique) qui détecte et identifie les émissions acoustiques et qui transmet un signal d'excitation à un instrument électrique de forage en cas de détection d'une correspondance.

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