Method of interconnecting subterranean boreholes

Details Method of interconnecting subterranean boreholes Method of interconnecting subterranean boreholes

E - Fixed Constructions

21

B

E21B 43/17 (2006.01) E21B 43/30 (2006.01)

Patent

CA 2681043

A method is disclosed of connecting a first borehole (1) to a second borehole (2), said boreholes being formed in an earth formation (3) and extending at a mutual distance. The method comprises inserting a volume of hardenable fluidic material (24) into a space (22) in the earth formation extending between the first and second boreholes, and allowing the hardenable fluidic material to harden so as to form a body of hardened material between the first and second boreholes. At least one fluid channel (26) is created in said body of hardened material, each fluid channel providing fluid communication between the first borehole and the second borehole.

La présente invention concerne un procédé consistant à relier un premier trou de forage à un second trou de forage, lesdits trous de forage étant formés dans une formation terrestre et s'étendant à une distance mutuelle. Le procédé consiste à insérer un volume de matériau fluidique durcissable dans un espace de la formation terrestre s'étendant entre les premier et second trous de forage, et à permettre au matériau fluidique durcissable de durcir de manière à former un corps de matériau durci entre les premier et second trous de forage. Au moins un canal de fluide est créé dans ledit corps de matériau durci, chaque canal de fluide permettant la communication de fluide entre le premier trou de forage et le second trou de forage.

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