Method for improved stimulation treatment

Details Method for improved stimulation treatment Method for improved stimulation treatment

E - Fixed Constructions

21

B

E21B 37/06 (2006.01) C09K 8/52 (2006.01) C09K 8/60 (2006.01) E21B 43/25 (2006.01) E21B 43/26 (2006.01)

Patent

CA 2270556

A method is provided for improving the effectiveness of cleaning up wells in a subterranean formation. The treatment is made more effective by first treating the well with a clean-up fluid that enzymatically degrades residual polymeric viscosifiers followed by removing solids contained in drill-in fluids.

L'invention concerne un procédé d'amélioration de l'efficacité du nettoyage de puits dans une formation souterraine. On obtient un traitement plus efficace en traitant d'abord le puits avec un fluide de nettoyage dégradant par une action enzymatique des améliorants de viscosité polymères, puis en retirant les solides contenus dans les fluides de forage.

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