High performance expandable tubular system

Details High performance expandable tubular system High performance expandable tubular system

B - Operations, Transporting

21

D

B21D 31/04 (2006.01) B21D 39/08 (2006.01) B21D 41/02 (2006.01)

Patent

CA 2647535

A method and apparatus for tubular expansion are disclosed. In an embodiment, an apparatus for radially expanding a tubular comprises at least two expansion swages (35, 34). At least one expansion swage is axially movable relative to other expansion swages. In addition, the apparatus includes sealing means capable of providing fluid tight pressure chambers (38, 37) between the expansion swages and an expanded portion of the tubular.

L'invention concerne une méthode et un appareil permettant l'expansion d'un tube. Selon un mode de réalisation, un appareil permettant l'expansion radiale d'un tube comprend au moins deux matrices d'expansion. Au moins une matrice d'expansion peut se déplacer axialement par rapport aux autres matrices d'expansion. De plus l'appareil comprend un moyen de fermeture capable de créer des chambres sous pression étanches entre les matrices d'expansion et une partie expansée du tube.

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