Methods for controlling water and particulate production in...

E - Fixed Constructions – 21 – B

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E21B 43/02 (2006.01) C09K 8/56 (2006.01) E21B 33/138 (2006.01) E21B 43/38 (2006.01)

Patent

CA 2710449

Improved methods for stabilizing unconsolidated subterranean formation particulates and reducing permeability of a subterranean formation to water. Some methods describe methods of stabilizing unconsolidated subterranean formation particulates and reducing the permeability of water comprising providing a portion of a subterranean formation that comprises unconsolidated formation particulates; introducing a fluid comprising a relative permeability modifier into at least a portion of the subterranean formation so as to at least partially reduce the permeability of that portion of the subterranean formation to water; and, introducing a fluid comprising a consolidating agent into at least a portion of the subterranean formation so as to at least partially consolidate the unconsolidated formation particulates.

L'invention porte sur des procédés perfectionnés pour stabiliser des matières particulaires non consolidées d'une formation souterraine et réduire la perméabilité à l'eau d'une formation souterraine. De tels procédés décrivent des méthodes pour stabiliser des matières particulaires non consolidées d'une formation souterraine et en réduire la perméabilité à l'eau. Les procédés consistent à: prendre une partie d'une formation souterraine qui comprend des matières particulaires non consolidées; introduire un fluide comprenant un modificateur de perméabilité relative dans au moins une partie de la formation souterraine de façon à, au moins partiellement, réduire la perméabilité à l'eau de cette partie de la formation souterraine et introduire un fluide comprenant un agent de consolidation dans au moins une partie de la formation souterraine de façon à consolider, au moins partiellement, les matières particulaires non consolidées.

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