Method and apparatus for well treatment

Details Method and apparatus for well treatment Method and apparatus for well treatment

E - Fixed Constructions

21

B

E21B 33/138 (2006.01) E21B 27/02 (2006.01) E21B 33/13 (2006.01) E21B 47/00 (2006.01) E21B 49/06 (2006.01)

Patent

CA 2585061

A well treatment tool, comprising: a tool body; a clamping system for locating the tool body in a well; a positioning system for orienting the tool body in the well axially and azimuthally; a reservoir system comprising at least one fluid reservoir in the tool body; and a pumping system for pumping fluid from the reservoir to a region of the well to be treated. The treatment tool can also re-established the isolation performance of the casing, when modified (by drilling) for the treatment. The treatment tool is normally conveyed and controlled via the mean of an electrical wireline cable.

L'invention concerne un outil de traitement de puits comprenant: un corps d'outil; un système de blocage servant à mettre en place le corps d'outil dans un puits; un système de positionnement servant à orienter le corps d'outil dans le puits, axialement et azimutalement; un système réservoir comprenant au moins un réservoir de fluide dans le corps d'outil; et un système de pompage servant à pomper un fluide du réservoir vers une zone du puits à traiter. L'outil de traitement permet également de rétablir les performances d'isolation du cuvelage lorsqu'elles ont été modifiées (par forage) pour le traitement. L'outil selon l'invention est normalement transporté et commandé par l'intermédiaire d'un câble métallique électrique.

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