Well product recovery process

Details Well product recovery process Well product recovery process

E - Fixed Constructions

21

B

E21B 43/267 (2006.01)

Patent

CA 2517494

A process for fracturing a selected region of a formation including: introducing a supply of fracturing fluid to the region of the formation until a first threshold is reached, adjusting the flow of the fracturing fluid to the region of the formation to reach a second threshold, adjusting the flow of the fracturing fluid to the region of the formation to reach a third threshold and ceasing flow of the fracturing fluid to region of the formation, the fracturing fluid being a non-participating gas and including a proppant in at least one of the stages of flow of the fracturing fluid.

L'invention concerne un procédé pour fracturer une région sélectionnée d'une formation, consistant à : introduire un fluide de fracturation hydraulique à la zone de la formation jusqu'à l'atteinte d'un premier seuil, ajuster le débit du fluide de fracturation hydraulique à la zone de la formation pour atteindre un deuxième seuil, ajuster le débit du fluide de fracturation hydraulique à la zone de la formation pour atteindre un troisième seuil et arrêter l'écoulement du fluide de fracturation hydraulique à la zone de la formation, le fluide de fracturation hydraulique étant un gaz non participant et comportant un agent de soutènement dans au moins une des étapes de l'écoulement du fluide de fractionnement hydraulique.

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