System for lining a section of a wellbore

Details System for lining a section of a wellbore System for lining a section of a wellbore

E - Fixed Constructions

21

B

E21B 43/10 (2006.01) E21B 10/08 (2006.01)

Patent

CA 2463953

A system for lining a section of a wellbore with an expandable tubular element is provided. The system comprises an elongate string extending into the wellbore, the string being provided with the tubular element in the unexpanded form thereof whereby the tubular element surrounds a lower portion of the string. The string is further provided with an expander arranged at a lower end part of the tubular element and anchoring means for anchoring an upper end part of the tubular element in the wellbore.

L'invention concerne un système servant à chemiser une section d'un forage avec un élément tubulaire extensible. Le système comprend une tige allongée s'étendant dans le puits de forage. La tige est munie de l'élément tubulaire qui se présente sous sa forme non déployée et entoure une partie inférieure de la tige. La tige comprend en outre un expanseur disposé à une partie d'extrémité inférieure de l'élément tubulaire, et un moyen d'ancrage pour ancrer une partie d'extrémité supérieure de l'élément tubulaire dans le puits de forage.

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