E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 29/08 (2006.01)
Patent
CA 2646468
An expandable tubular includes a plurality of leaves formed from sheet material that have curved surfaces. The leaves extend around a portion or fully around the diameter of the tubular structure. Some of the adjacent leaves of the tubular are coupled together. The tubular is compressed to a smaller diameter so that it can be inserted through previously deployed tubular assemblies. Once the tubular is properly positioned, it is deployed and coupled or not coupled to a previously deployed tubular assembly. The inventive tubular is useful for all types of wells and boreholes.
Elément tubulaire extensible comportant une pluralité de feuilles à surfaces incurvées formées à partir d'une matière en nappe. Les feuilles enveloppent partiellement ou complètement le diamètre de l'élément tubulaire. Certaines des feuilles adjacentes de l'élément tubulaire sont jointes ensemble. L'élément tubulaire est comprimé pour prendre un diamètre plus petit de façon à pouvoir être inséré dans des ensembles d'éléments tubulaires préalablement déployés. Une fois correctement mis en place, l'élément tubulaire est déployé et joint ou non à un ensemble d'éléments tubulaires préalablement déployé. L'élément tubulaire de l'invention trouve une application dans tous les types de puits et de forages.
Apostal Michael
Dewhurst Peter
Foss Doug
Hobson Steven
Holger Wirz
Dynamic Tubular Systems Inc.
Smart & Biggar
LandOfFree
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