Expanded downhole screen systems and method

Details Expanded downhole screen systems and method Expanded downhole screen systems and method

E - Fixed Constructions

21

B

E21B 7/06 (2006.01) E21B 43/10 (2006.01)

Patent

CA 2546931

An improved system and method is disclosed for expanding a fluid permeable tubular downhole in an open hole completion. A high quality borehole is first drilled using a bottomhole assembly having a long gauge bit and a short bit-to- bend ratio. A fluid-permeable tubular is then inserted into an open-hole portion of the wellbore and preferably expanded in place. The expandable tubular may include an external filtering medium. Hydrocarbons may pass from the formation through the expanded fluid permeable tubular and into the borehole, to be recovered.

L'invention concerne un système et une méthode améliorés pour étendre un conduit tubulaire perméable au fluide au fond d'une complétion en découvert. Un puits de forage de haute qualité est d'abord percé au moyen d'un assemblage de fond de puits présentant un trépan à jauge longue et un rapport trépan / courbure court. Un conduit tubulaire perméable au fluide est ensuite inséré dans une partie de la complétion en découvert du puits de forage et de préférence étendu en place. Le conduit tubulaire étendable peut comprendre un support de filtrage extérieur, des hydrocarbures peuvent passer de la formation au puits de forage, en traversant le conduit tubulaire perméable fluide étendu pour être récupérés.

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