Gelling compositions useful for oil field applications

Details Gelling compositions useful for oil field applications Gelling compositions useful for oil field applications

E - Fixed Constructions

21

B

E21B 43/16 (2006.01) C09K 8/512 (2006.01) C09K 8/88 (2006.01)

Patent

CA 2107550

A gelling composition and a process for wellbore treatment comprising injecting the composition into reservoirs are disclosed wherein the composition comprise a produced brine; A water-soluble polymer such as, for example, polyacrylamide; a crosslinker such as, for example, a complexed zirconium compound; and optionally a complexing ligand such as, for example, lactic acid.

Composition de gélification et méthode pour le traitement de puits, consistant à injecter la composition dans un réservoir. La composition est constituée d'une saumure produite, d'un polymère hydrosoluble, p. ex. un polyacrylamide, d'un réticulant, p. ex. un complexe du zirconium et, facultativement, d'un ligand de coordination, p. ex. l'acide lactique.

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