Latch profile installation in existing casing

Details Latch profile installation in existing casing Latch profile installation in existing casing

E - Fixed Constructions

21

B

E21B 29/00 (2006.01) E21B 23/06 (2006.01)

Patent

CA 2683054

A method of installing an internal latch profile in an existing tubular string does not require the use of a packer. In a described embodiment, a method of latch installation includes the step of deforming an interior surface of the tubular string after the tubular string is positioned in a well. In another described embodiment, a method of latch installation includes the step of cutting into the interior surface of the tubular string.

La méthode considérée pour l'installation d'un profil de verrou interne dans une colonne tubulaire existante ne prévoit pas le recours à une garniture d'étanchéité. Dans une application décrite, une méthode pour l'installation du verrou comprend une étape consistant à déformer une surface intérieure de la colonne tubulaire après le positionnement de la colonne tubulaire dans un puits. Dans une autre application décrite, une méthode pour l'installation du verrou comprend une étape consistant à découper la surface intérieure de la colonne tubulaire.

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