Compositions and methods for improving proppant pack...

C - Chemistry – Metallurgy – 09 – K

Patent

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C09K 8/80 (2006.01) E21B 43/267 (2006.01)

Patent

CA 2528593

The present invention relates to enhancing fluid flow from subterranean formations. More particularly, this invention relates to providing, improved proppant matrixes within fractures in a subterranean formation. An example of the methods of increasing the conductivity of a fracture in a subterranean formation comprises the steps of providing a fracturing treatment fluid comprising a proppant composition, the proppant composition comprising proppant particulates and a degradable material capable of undergoing an irreversible degradation downhole; introducing the proppant composition to the fracture; and allowing the proppant composition to form a proppant matrix having voids in the fracture.

L'invention vise à améliorer l'écoulement de fluides provenant de formations souterraines. Cette invention concerne de manière plus spécifique la mise en place de matrices d'agents de soutènement améliorées dans les fractures d'une formation souterraine. Dans un mode de réalisation, l'invention se rapporte à un procédé permettant d'améliorer la conductivité d'une fracture dans une formation souterraine, ledit procédé comprenant les étapes qui consistent : à fournir un fluide de traitement de fractures qui comprend une composition d'agent de soutènement laquelle contient des particules d'agent de soutènement ainsi qu'un matériau dégradable pouvant subir une dégradation irréversible au fond du trou ; à introduire la composition d'agent de soutènement dans la fracture, et ; à permettre à cette composition d'agent de soutènement de former une matrice d'agent de soutènement comprenant des vides dans la fracture.

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