Well packer inflation system and method of inflating same

Details Well packer inflation system and method of inflating same Well packer inflation system and method of inflating same

E - Fixed Constructions

21

B

E21B 33/127 (2006.01)

Patent

CA 2513629

Disclosed herein is an inflatable element which includes a base pipe, a screen disposed at the base pipe and an expandable material disposed radially outwardly of the base pipe and the screen. Further disclosed herein is an annular seal system wherein the system uses a particle laden fluid and pump for this fluid. The system pumps the fluid into an expandable element. Further disclosed herein is a method of creating a wellbore seal which includes pumping a solid laden fluid to an expandable element to pressurize and expand that element. Dehydrating the solid laden fluid to leave substantially a solid constituent of the solid laden fluid in the expandable element. Further disclosed herein is an expandable element that includes an expandable material which is permeable to a fluid constituent of a solid laden fluid delivered thereto while being impermeable to a solid constituent of the solid laden fluid.

La présente invention a trait à un élément gonflable comportant une conduite de base, un écran disposé au niveau de la conduite de base et un matériau expansible disposé radialement vers l'extérieur de la conduite de base et de l'écran. L'invention a également trait à un système d'étanchéité annulaire dans lequel le système utilise un fluide chargé de particules et une pompe destiné à ce fluide. Le système pompe le fluide dans un élément expansible. L'invention a trait en outre à un procédé de création d'une garniture d'étanchéité d'un puits de forage comprenant le pompage d'un fluide chargé de solides vers un élément expansible pour la pressurisation et la dilatation dudit élément ; la déshydratation du fluide chargé de solides pour laisser subsister essentiellement un constituant solide du fluide chargé de solides dans l'élément expansible. L'invention a également trait à un élément expansible comportant un matériau expansible qui est perméable au constituant fluide d'un fluide chargé de solides qui y est délivré tout en étant imperméable au constituant solide du fluide chargé de solides.

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