System and method for positioning a tool in a wellbore

Details System and method for positioning a tool in a wellbore System and method for positioning a tool in a wellbore

E - Fixed Constructions

21

B

E21B 23/02 (2006.01) E21B 7/06 (2006.01) E21B 47/09 (2006.01)

Patent

CA 2315233

A system is disclosed for positioning downhole tools in a borehole such as a cased or lined oilwell, wherein the system is adapted to control the vertical and rotational position of the tool within the borehole. The system uses a plurality of guide slots (5) or ledges which form a spiral on the inner surface of a tubular.

L'invention concerne un système de positionnement d'outils de fond de trou dans un puits de forage tel qu'un puits de pétrole tubé ou cuvelé. Ce système permet de régler la position verticale et rotationnelle de l'outil à l'intérieur du puits de forage, et fait appel une pluralité de rainures (5) de guidage ou de corniches formant une spirale sur la surface interne d'un tube.

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