Method and system for fracturing subterranean formations...

Details Method and system for fracturing subterranean formations... Method and system for fracturing subterranean formations...

E - Fixed Constructions

21

B

E21B 43/26 (2006.01)

Patent

CA 2531444

A method and system for stimulating underground formations is disclosed. The method includes injecting pressurized gas and low concentrations of proppant material at a rate and pressure sufficient to fracture the formation and allow for placement of the proppant in the fracture, followed by allowing the fracture to close on proppant to create a high-permeability flow channel without the use of liquid fracturing fluids or liquefied gases.

Méthode et système de stimulation des formations souterraines. La méthode comprend l'injection de gaz sous pression et de faibles concentrations de matériau de soutènement à une cadence et à une pression suffisantes pour fracturer la formation et permettre l'insertion du matériau de soutènement dans la fracture, avant de laisser la fracture se refermer sur le matériau de soutènement de façon à créer un canal d'écoulement à perméabilité élevée sans utilisation de liquides de fracturation ni de gaz liquéfiés.

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