Antenna cutout in a downhole tubular

Details Antenna cutout in a downhole tubular Antenna cutout in a downhole tubular

G - Physics

01

V

G01V 3/30 (2006.01) E21B 47/01 (2006.01)

Patent

CA 2652624

In some embodiments, an apparatus (200) includes a tubular to operate downhole. The tubular has a longitudinal axis and has a cutout (210N) that has a direction that is other than 90 degrees to the longitudinal axis of the tubular. The apparatus also includes an antenna (202A) positioned in the cutout of the tubular. The antenna is to perform at least one of a transmission or reception of an electromagnetic signal that has a path that is to traverse a subsurface formation.

La présente invention concerne, dans certains de ses modes de réalisation, un appareil (200) qui comprend un tube conçu pour fonctionner dans un fond de puits. Le tube possède un axe longitudinal et une ouverture (210N) présentant une direction dont l'angle par rapport à l'axe longitudinal du tube n'est pas de 90 degrés. L'appareil comporte également une antenne (202A) disposée dans l'ouverture du tube. L'antenne effectue au moins une transmission ou une émission d'un signal électromagnétique dont la trajectoire traverse une formation souterraine.

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