Cavity well system

Details Cavity well system Cavity well system

E - Fixed Constructions

21

B

E21B 43/04 (2006.01) E21B 43/08 (2006.01) E21B 43/14 (2006.01) E21B 43/30 (2006.01) E21B 43/12 (2006.01)

Patent

CA 2610610

A'- method for accessing a subterranean zone ( 12 ) includes ' forming ' a " ' subterranean cavity (38) coupled to a land surface (16 ) and forming a plurality of substantially horizontal bores (22 ) extending at least partially into the subterranean zone ( 12 ) and intersecting the cavity ( 38 ) . Liners (40 , 140) may traverse the cavity . Also the cavity may be gravel packed (38) .

L'invention concerne un procédé permettant d'accéder à une zone souterraine (12). Ce procédé consiste à former une cavité souterraine (38) raccordée à une surface terrestre (16) et formant une pluralité d'alésages sensiblement horizontaux (22) qui s'étendent au moins partiellement dans la zone souterraine (12) et qui traversent la cavité (38).

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