Rotational pulsation system and method for communicating

Details Rotational pulsation system and method for communicating Rotational pulsation system and method for communicating

G - Physics

01

V

G01V 11/00 (2006.01) E21B 47/18 (2006.01)

Patent

CA 2547914

Disclosed herein is a rotational pulsation system including a rotor having turbine blades to drive the rotor. A centralizer having coils and a stator package positioned to operably communicate with permanent magnets at the rotor and a rotational screen disk/static screen disk disposed at the rotor. A method for communicating in a wellbore includes spinning a rotational pulsation system to create a first frequency and applying and removing an electrical load according to a message to be communicated.

Système de pulsation circulaire comprenant un rotor possédant des aubes de turbine servant à commander le rotor. Un dispositif de centralisation possédant des enroulements et un ensemble stator est placé de manière à communiquer avec des aimants permanents au niveau du rotor, ainsi qu'avec un disque tamis rotatif ou statique situé au niveau du rotor. Procédé servant à communiquer dans un puits de forage et consistant à mettre en rotation un système de pulsation circulaire afin de créer une première fréquence, puis à appliquer et à retirer une charge électrique en fonction d'un message à communiquer.

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