Casing attachment method and apparatus

Details Casing attachment method and apparatus Casing attachment method and apparatus

E - Fixed Constructions

21

B

E21B 23/00 (2006.01)

Patent

CA 2536046

A method and apparatus to affix a tool downhole in a cased wellbore, one embodiment comprising a tubular body with a slot along its length. A portion of the slot is V-shaped to accommodate a wedge with a corresponding V-shape. The outside of the tubular body has integral teeth. To set the apparatus, the wedge is driven into the V-shaped slot. This movement widens the slot and expands the diameter of the tubular body until it intersects with the casing. The teeth on the outside of the body bite into the casing wall to affix the tool to the casing.

Une méthode et dispositif pour fixer un outil au fond d'un trou de forage tubé, un mode de réalisation comprenant un corps tubulaire avec une fente sur sa longueur. Une partie de la fente est en forme de V pour recevoir un coin ayant une forme correspondante en V. L'extérieur du corps tubulaire est pourvu de dents solidaires. Pour régler l'appareil, le coin est enfoncé dans la fente en forme de V. Ce mouvement élargit la fente et accroît le diamètre du corps tubulaire jusqu'à ce qu'il croise le tube. Les dents à l'extérieur du corps mordent dans la paroi du tube pour y fixer l'outil.

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