E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/00 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2684104
An expandable tubular to be used within geologic structures and a method of manufacturing thereof are disclosed. The expandable tubular has a substantially tubular shaped member with an axis extending therethrough. The tubular member has one or more helical members formed within a wall of the tubular member, and the helical member may be defined about the axis of the tubular shaped member. Further, a plurality of elongated perforations are formed within the wall of tubular member, and the tubular member is compressible from a larger diameter to a smaller diameter. When compressed, the tubular member stores expansive energy within the wall, in which the tubular member may then expand back to a larger diameter when the expansive energy is released.
L'invention concerne un tubulaire extensible qui doit être utilisée dans des structures géologiques et son procédé de fabrication. Le tubulaire extensible comprend un élément de forme sensiblement tubulaire avec un axe s'étendant en travers. L'élément tubulaire comprend un ou plusieurs éléments hélicoïdaux formés dans une paroi de l'élément tubulaire et l'élément hélicoïdal peut être défini autour de l'axe de l'élément de forme tubulaire. En outre, une pluralité de perforations allongées sont formées dans la paroi de l'élément tubulaire et l'élément tubulaire peut être comprimé passant d'un diamètre plus important à un diamètre plus petit. Lorsqu'il est comprimé, l'élément tubulaire stocke une énergie expansive dans la paroi, l'élément tubulaire pouvant alors se dilater à un diamètre plus important lorsque l'énergie expansive est libérée.
Dynamic Tubular Systems Inc.
Smart & Biggar
Spray Jeffery A.
LandOfFree
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