Expanding a tubular member

Details Expanding a tubular member Expanding a tubular member

B - Operations, Transporting

21

D

B21D 39/00 (2006.01) B21D 39/08 (2006.01) B23P 17/00 (2006.01) E21B 19/00 (2006.01) E21B 19/16 (2006.01) E21B 23/00 (2006.01) E21B 23/04 (2006.01) E21B 23/08 (2006.01) E21B 23/10 (2006.01) E21B 29/00 (2006.01) E21B 33/00 (2006.01) E21B 33/04 (2006.01) E21B 43/10 (2006.01) B21D 26/02 (2006.01)

Patent

CA 2397480

The invention relates generally to wellbore casings and in particular to wellbore casings that are formed using expandable tubing. One embodiment is directed to a method of coupling a tubular member to a preexisting structure, comprising: positioning the tubular member in an overlapping relationship to the preexisting structure; placing a mandrel within the tubular member; pressurizing an annular region within the tubular member above the mandrel; and displacing the mandrel with respect to the tubular member.

L'invention concerne l'expansion d'un élément tubulaire par la mise sous pression d'une région interne de l'élément tubulaire.

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