Foaming composition for high temperature and salinity

B - Operations – Transporting – 01 – F

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B01F 17/00 (2006.01)

Patent

CA 2746366

The present invention relates to the preparation of foaming formulations for high temperature, salinity and concentration of divalent ions, such as Calcium and Magnesium, that apply the synergistic effect of sodium alpha olefin sulfonates and alkyl amido propyl betaines; said inventions may use, as solvent, water, sea water, connate water, alcohols or mixtures all thereof. Said formulations control the piping of gas in reservoirs of the naturally fractured carbonate type.

La présente invention concerne l'élaboration de préparations moussantes à utiliser dans des conditions de température et de salinité élevées et avec une concentration élevée d'ions divalents comme le calcium et le magnésium, lesdites préparations présentant l'effet synergique des alpha-oléfines sulfonates et des alkylamide-propyl-bétaines et pouvant utiliser comme solvant l'eau, l'eau de mer, l'eau connée, les alcools ou un mélange de ceux-ci. Ces préparations régulent l'acheminent de gaz dans des gisements carbonatés de type naturellement fracturés.

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