Improved tubing section

Details Improved tubing section Improved tubing section

E - Fixed Constructions

21

B

E21B 17/18 (2006.01) E21B 43/12 (2006.01)

Patent

CA 2715861

The tubing section comprises an outer skin (52a) defining at least one perforation (58), an inner skin (54a), the in-ner and outer skins being arranged to define a tubing annulus therebetween and an access device (48) to selectively provide fluid communication between the tubing annulus and a tubing section throughbore.

L'invention concerne une section améliorée de colonne de production, qui comprend une couche extérieure définissant au moins une perforation, une couche intérieure, les couches intérieure et extérieure étant placées de manière à définir entre celles-ci un espace annulaire de colonne de production; et un dispositif d'accès permettant d'assurer sélectivement une communication fluidique entre l'espace annulaire de la colonne de production et un trou traversant de la section de colonne de production.

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