Mono diameter wellbore casing

Details Mono diameter wellbore casing Mono diameter wellbore casing

E - Fixed Constructions

21

B

E21B 43/10 (2006.01) E21B 29/00 (2006.01)

Patent

CA 2499030

An apparatus for radially expanding and plastically deforming an expandable tubular members to form a mono diameter wellbore casing includes an adjustable expansion assembly having a first diameter for forming a bell portion of in each tubular member and a second diameter for forming a mono diameter portion that nests into the bell portion of the preceding tubular member.

L'invention concerne un appareil d'expansion radiale et de déformation plastique d'élément tubulaire expansible, destiné à former un tubage de puits de forage à diamètre unique. Cet appareil comprend un ensemble d'expansion ajustable qui présente un premier diamètre permettant de former une partie en cloche dans chaque élément tubulaire, et un deuxième diamètre permettant de former une partie à diamètre unique qui s'emboîte dans la partie en cloche de l'élément tubulaire précédent.

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