A novel fluid system having controllable reversible viscosity

Details A novel fluid system having controllable reversible viscosity A novel fluid system having controllable reversible viscosity

E - Fixed Constructions

21

B

E21B 43/27 (2006.01) C09K 8/74 (2006.01) C09K 8/86 (2006.01) E21B 43/25 (2006.01)

Patent

CA 2387248

This Invention relates to a novel reversible thickener, i.e., a fluid whose viscosity can be carefully modulated - from very low viscosity to sufficient viscosity to act as a barrier to further flow; particularly preferred embodiments are directed to fluids and methods for stimulating hydrocarbon low viscosity to sufficient viscosity to act as a barrier to further flow; particularly preferred embodiments are directed to fluids and methods for stimulating hydrocarbon low viscosity to sufficient viscosity to act as a barrier to further flow; particularly preferred - bearing formations - i.e., to increase the production of oil/gas from the formation. In particular, the present invention is directed to a family of fluids (and methods incorporating those fluids) intended to be pumped through a wellbore and into the hydrocarbon-bearing formation.

L'invention concerne un nouvel épaississant réversible, à savoir un fluide dont la viscosité peut être soigneusement modulée entre une viscosité très faible et une viscosité suffisante pour exercer un effet de barrière contre tout écoulement additionnel. Les formes de réalisations préférées concernent des fluides et des procédés permettant de stimuler une faible viscosité dans un hydrocarbure de manière à créer une viscosité suffisante pour empêcher tout écoulement additionnel, et conviennent en particulier pour augmenter la production de pétrole/gaz à partir de formations contenant des hydrocarbures. L'invention concerne en particulier une famille de fluides (ainsi que des procédés se rapportant à ces fluides) destinés à être introduits par pompage dans un puits de forage et dans la formation d'hydrocarbures.

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