Improved polymer expansion for oil and gas recovery

Details Improved polymer expansion for oil and gas recovery Improved polymer expansion for oil and gas recovery

E - Fixed Constructions

21

B

E21B 43/26 (2006.01) C09K 8/68 (2006.01) C09K 8/70 (2006.01)

Patent

CA 2291245

Methods are provided for fracturing subterranean formations using fluids having substantially reduced polymer loadings that have performance equivalent to conventional fluids. Reduced polymer loadings provide significant advantages such as reduced treatment costs and less damage to the fracture sand pack and surrounding subterranean formations.

L'invention concerne des procédés de fracturation de formations souterraines au moyen de fluides à concentration en polymères sensiblement réduite, dont les performances sont équivalentes à celles de fluides traditionnels. Une concentration en polymères réduite présente notamment l'avantage de réduire les coûts de traitement et de causer moins de dommages au bouchon de sable de la fracture, ainsi qu'aux formations souterraines environnantes.

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