Casing detection

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 47/09 (2006.01) G01V 3/18 (2006.01)

Patent

CA 2662533

A system and method for detecting casing is provided. In one example, a method for detecting drill casing in a downhole environment includes the steps of generating a plurality of plots of a magnetic field vector (MFV) at a series of depths; and monitoring the plots to detect proximity to the well casing.

L'invention concerne un système et un procédé pour détecter un tubage. Selon un exemple, un procédé pour détecter un tubage de forage dans un environnement de fond de trou comprend les étapes consistant à générer une pluralité de représentations d'un vecteur de champ magnétique (MFV) à une série de profondeurs ; et à surveiller les représentations pour détecter une proximité par rapport au tubage de puits.

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