An entry well with slanted well bores and method

Details An entry well with slanted well bores and method An entry well with slanted well bores and method

E - Fixed Constructions

21

B

E21B 43/14 (2006.01) E21B 31/107 (2006.01) E21B 31/113 (2006.01) E21B 43/00 (2006.01) E21B 43/30 (2006.01) E21F 7/00 (2006.01)

Patent

CA 2464105

A system for accessing a subterranean zone (22) from the surface includes an entry well bore (15) extending down from the surface. A plurality of slanted well bores extend from the entry well bore (20) to the subterranean zone. Drainage patterns (24, 26, 27) extend from the slanted well bores (20) into the subterranean zone (22).

L'invention concerne un système permettant d'accéder à une zone souterraine (22) à partir de la surface. Ce système comprend un puits de forage d'entrée (15) qui descend depuis la surface. Une pluralité de puits de forage inclinés (20) rejoignent la zone souterraine depuis le puits de forage d'entrée. Des réseaux de drainage (24, 26, 27) rejoignent la zone souterraine (22) depuis les puits de forage inclinés (20).

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