Hydrothermal drilling method and system

Details Hydrothermal drilling method and system Hydrothermal drilling method and system

E - Fixed Constructions

21

B

E21B 7/14 (2006.01) C09K 8/05 (2006.01) E21B 7/15 (2006.01) E21B 36/00 (2006.01)

Patent

CA 2449302

A method and system is disclosed for extending the depth of a subterranean borehole that uses heated aqueous fluid to dissolve rock of the subterranean formation. The heated aqueous fluid comprises water and hydroxides of Group I elements of The Periodic Table of Elements and mixtures thereof. The drilling system comprises means for delivering aqueous fluid and heating the aqueous fluid prior to contacting rock of a subsurface formation.

L'invention concerne un procédé et un système destinés à augmenter la profondeur d'un trou de forage souterrain; on utilise un liquide aqueux pour dissoudre la roche d'une formation souterraine. Le liquide aqueux chauffé comprend de l'eau et des hydroxydes des éléments du groupe I du tableau périodique, ainsi que leurs mélanges. Le système de forage comprend un système d'acheminement du liquide aqueux et de chauffage dudit liquide avant sa mise en contact avec la roche de la formation souterraine.

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