E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/10 (2006.01) E21B 29/10 (2006.01) F16L 11/12 (2006.01) F16L 55/165 (2006.01)
Patent
CA 2328420
A deformable liner tube has a wall which comprises a number of ax-ial, toroidal or helical tubules which are at least partly deformed in re-sponse to deformation of the tube in radial and/or axial directions to create a formable lining within a tubular cav-ity such as an underground wellbore.
Selon l'invention, un tubage déformable possède une paroi qui comprend au moins un certain nombre de tubes axiaux, toroïdaux ou hélicoïdaux qui subissent au moins une déformation partielle suite à la déformation du tubage dans un sens radial et/ou axial pour former un revêtement déformable à l'intérieur d'une cavité tubulaire telle qu'un puits de forage souterrain.
Shell Canada Limited
Smart & Biggar
LandOfFree
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