Method of installing a tubular assembly in a wellbore

Details Method of installing a tubular assembly in a wellbore Method of installing a tubular assembly in a wellbore

E - Fixed Constructions

21

B

E21B 43/10 (2006.01)

Patent

CA 2507413

A method of installing a tubular assembly in a wellbore formed in an earth formation is disclosed whereby the tubular assembly includes a plurality of expandable tubular elements. The method comprises installing a first tubular element in the wellbore, and installing a second tubular element in the wellbore in a manner that an end part of the second tubular element extends into an end part of the first tubular element thereby forming an overlap portion of the tubular assembly, said overlap portion being positioned in the wellbore such that a radially deformable body is arranged around the overlap portion. The end part of the second tubular element is radially expanded against the end part of the first tubular element in a manner that the end part of the first tubular element becomes radially expanded and said deformable body becomes radially deformed.

L'invention concerne un procédé d'installation d'un ensemble tubulaire dans un puits de forage pratiqué dans une formation terrestre, l'ensemble tubulaire comportant une pluralité d'éléments tubulaires expansibles. Le procédé selon l'invention consiste à installer un premier élément tubulaire dans le puits de forage, et à installer un deuxième élément tubulaire dans le puits de forage de telle manière qu'une partie terminale du deuxième élément tubulaire s'étend dans une partie terminale du premier élément tubulaire, avec formation d'une partie de chevauchement de l'ensemble tubulaire. Ladite partie de chevauchement est positionnée dans le puits de forage de telle manière qu'un corps radialement déformable est disposé autour de la partie de chevauchement. La partie terminale du deuxième élément tubulaire s'étend radialement contre la partie terminale du premier élément tubulaire de telle manière que ladite partie terminale du premier élément tubulaire s'étend radialement et devient radialement déformée.

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