Apparatus for and method of radial expansion of a tubular...

Details Apparatus for and method of radial expansion of a tubular... Apparatus for and method of radial expansion of a tubular...

E - Fixed Constructions

21

B

E21B 29/00 (2006.01) B21D 31/04 (2006.01) B21D 39/08 (2006.01) E21B 43/10 (2006.01)

Patent

CA 2450879

Apparatus for and method of radial expansion of a tubular member, with embodiments of the apparatus including an expander device, for example an expansion cone, which has a drive means either attached to it or integral therewith. The drive means can be a pump for example, where the pump creates a differential pressure across the expander device to cause it to move.

L'invention concerne un appareil et un procédé destinés à l'expansion radiale d'un élément tubulaire. Dans certains modes de réalisation de l'invention, l'appareil comprend un dispositif d'expansion (16), par exemple, un cône d'expansion, équipé d'un organe d'entraînement (18) soit fixé au dispositif, soit d'une seule pièce avec celui-ci. L'organe d'entraînement (18) peut se présenter sous la forme d'une pompe par exemple, cette pompe créant une pression différentielle dans le dispositif d'expansion (16), de manière à le contraindre à se déplacer.

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