Open hole expandable patch with anchor

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 29/10 (2006.01) E21B 43/10 (2006.01)

Patent

CA 2576483

The invention discloses a patch for placement in a wellbore and associated methods. The patch has a longitudinal member and an anchor that is radially expanded to engage the wall of the borehole to secure the patch against axial and radial movement. The anchor is set using a running tool that radially expands the anchor and the longitudinal body. The anchor may include one or more elements that can be securely engaged within the wellbore. The longitudinal member and/or the anchor may include a sealing element to provide a seal between the wellbore inside and the earth formation surrounding the wellbore.

La présente invention concerne une pièce de renfort conçue pour être placée dans un puits de forage, et des procédés associés. La pièce de renfort présente un élément longitudinal et un crochet qui est radialement déployé de manière à s'engrener dans la paroi du trou de forage de manière à fixer la pièce pour empêcher tout mouvement axial ou radial. Le crochet est installé au moyen d'un outil de pose qui étend radialement le crochet et le corps longitudinal. Le crochet peut comprendre un ou plusieurs éléments qui peuvent être solidement engrenés dans le puits de forage. L'élément longitudinal et/ou le crochet peuvent comprendre un élément d'étanchéité afin de constituer une étanchéité entre l'intérieur du puits de forage et la formation de terre entourant le puits de forage.

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Profile ID: LFCA-PAI-O-2015605

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