Methods and compositions for improving hydrocarbon recovery...

Details Methods and compositions for improving hydrocarbon recovery... Methods and compositions for improving hydrocarbon recovery...

E - Fixed Constructions

21

B

E21B 43/22 (2006.01) C09K 8/588 (2006.01) C09K 8/68 (2006.01) E21B 43/16 (2006.01) E21B 43/20 (2006.01)

Patent

CA 2520056

Methods useful in improving hydrocarbon recovery from subterranean formations using relative permeability modifier (RPM) macromolecules are described. The RPMs are typically crosslinked RPMs having K-values from 250-300 which, when injected into an injector well associated with a producer well, redirect the production water so as to improve the injection profile of the well and simultaneously improve hydrocarbon recovery from the producer well.

On décrit des méthodes utiles visant à améliorer la récupération d'hydrocarbures à partir de formations souterraines à l'aide de macromolécules modificateurs de perméabilité relative (RPM). Les RPM sont généralement des RPM réticulées ayant des valeurs K comprises entre 250 -300 et qui, lorsqu'elles sont injectées dans un puits injecteur associé à un puits producteur, redirigent l'eau de production de façon à améliorer le profil d'injection du puits et à améliorer simultanément la récupération d'hydrocarbures à partir du puits de production.

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