Method of radially expanding a tubular element

Details Method of radially expanding a tubular element Method of radially expanding a tubular element

E - Fixed Constructions

21

B

E21B 43/10 (2006.01) F16L 55/165 (2006.01)

Patent

CA 2657046

The invention relates to a method of radially expanding a tubular element extending into a wellbore formed in an earth formation. The method comprises inducing the wall of the tubular element to bend radially outward and in axially reverse direction so as to form an expanded tubular section extending around a remaining tubular section of the tubular element, wherein said bending occurs in a bending zone of the tubular element. The method further comprises increasing the length of the expanded tubular section by inducing the bending zone to move in axial direction relative to the remaining tubular section. Said wall includes a material that is plastically deformed in the bending zone during the bending process so that the expanded tubular section retains an expanded shape as a result of said plastic deformation.

La présente invention concerne un procédé destiné à la dilatation radiale d'un élément tubulaire s'étendant dans un puits de forage créé dans une formation terrestre. Le procédé consiste à entraîner le cintrage radial de la paroi de l'élément tubulaire vers l'extérieur et dans une direction axialement opposée afin de former une section tubulaire dilatée s'étendant autour d'une section tubulaire restante de l'élément tubulaire, ledit pliage apparaissant dans une zone pliée de l'élément tubulaire. Le procédé consiste également à augmenter la longueur de la section tubulaire dilatée en provoquant le déplacement de la zone pliée suivant une direction axiale par rapport à la section tubulaire restante. Ladite paroi comprend un matériau qui présente une déformation plastique dans la zone pliée lors du processus de cintrage de telle sorte que la section tubulaire dilatée conserve sa forme dilatée grâce à ladite déformation plastique.

Affiliated with

Also associated with

Rating

Method of radially expanding a tubular element does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of radially expanding a tubular element, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of radially expanding a tubular element will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1985091