Signalling downhole

Details Signalling downhole Signalling downhole

G - Physics

01

V

G01V 11/00 (2006.01)

Patent

CA 2601364

Methods and systems for communicating with downhole locations and transmitting power to downhole locations. Use is made of a cable (3) passing someway down into the well. This cable (3) may be connected to a downhole sensor (2) and may be used primarily for communicating with that sensor (2), but also used in the current techniques. Electrical connection is achieved between the cable (3) and the metallic structure of the well to allow signals to be transferred between the communications tool (5) and the surface (4) via the cable (3).

Procédés et systèmes pour communiquer avec des emplacements de fonds de trous et transmettre de l'énergie à des emplacements de fonds de trous. Un câble (3) descendant dans le puits est utilisé. Ce câble (3) peut être connecté à un capteur de fond de trou (2) et peut servir principalement à la communication avec ce capteur (2), mais également dans les techniques de courant. Une connexion électrique est réalisée entre le câble (3) et la structure métallique du puits pour permettre à des signaux d'être transférés entre l'outil de communication (5) et la surface (4) par l'intermédiaire du câble (3).

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