Downhole power generation and communications apparatus and...

E - Fixed Constructions – 21 – B

Patent

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E21B 41/00 (2006.01) E21B 47/14 (2006.01)

Patent

CA 2537186

Apparatuses and methods to power and communicate with downhole sensors are presented. Preferred embodiments of the present invention includes energizing a downhole sensor with a surface pressure wave generator and a downhole mechanical to electrical energy converter. Preferred embodiments of the present invention also include transmitting data measured from a downhole sensor to a surface unit through modulation of surface-generated pressure waves.

L'invention concerne des appareils et des méthodes pour alimenter et pour communiquer avec des capteurs de fond de puits. Des modes de réalisation préférés de l'invention consistent à mettre sous tension un capteur de fond de puits doté d'un générateur d'ondes de pression de surface et un convertisseur d'énergie mécanique de fond de puits en énergie électrique. Des modes de réalisation préférés de l'invention consistent à transmettre des données mesurées à partir d'un capteur de fond de puits à une unité de surface, par une modulation d'ondes de pression générées en surface.

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