Bore-lining tubing

Details Bore-lining tubing Bore-lining tubing

E - Fixed Constructions

21

B

E21B 43/10 (2006.01) E21B 17/18 (2006.01)

Patent

CA 2480000

There is disclosed a method of lining a drilled bore (10) and bore-lining tubing (12). The method comprises providing a first tubular (16); locating the first tubular (16) in the bore (10); providing an expandable, second tubular (22); locating the second tubular (22) in the bore (10) overlapping the first tubular (16); expanding a portion (24) of the second tubular (22) to create a coupling (29) including a flow passage (26) between the first tubular and the second tubular (16, 22).

L'invention concerne un procédé de chemisage de trou de forage (10) et une colonne de tubage correspondante (12). On fournit un premier matériel tubulaire(16) destiné à être établi dans le trou de forage (10), puis un second matériel tubulaire expansible (22) destiné à être établi dans le trou de forage (10), chevauchant le premier matériel (16). L'expansion d'une partie (24) du second matériel (22) donne un couplage (29) qui crée un passage pour l'écoulement de flux (26) entre les deux matériels (16, 22).

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