Mono-diameter wellbore casing

Details Mono-diameter wellbore casing Mono-diameter wellbore casing

E - Fixed Constructions

21

B

E21B 17/00 (2006.01) E21B 33/10 (2006.01) E21B 43/10 (2006.01)

Patent

CA 2299076

A mono-diameter wellbore casing is formed by radially expanding a first tubular liner off of a mandrel into contact with a second tubular liner. The first and second tubular liners are positioned within the wellbore in an overlapping relationship. The overlapping portions of the tubular liners include thin wall portions with compressible annular members that are expanded into contact with each other.

Un tubage de forage mono-diamètre est formé par l'expansion radiale d'un premier chemisage tubulaire hors d'un mandrin en contact avec un deuxième chemisage tubulaire. Les deux chemisages tubulaires sont positionnés dans le puits de forage de manière chevauchante. Les parties chevauchantes des chemisages tubulaires comprennent des parties à paroi mince avec des éléments annulaire compressible qui s'élargissent au contact les uns des autres.

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