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NOVEL SURFACTANTS FOR CARBON DIOXIDE IN OIL FOAMS

United States Patent Application

20180044573
A1
View the Complete Application at the US Patent & Trademark Office
Provided herein are methods for fracking, particularly dry fracking, comprising the use of surfactants of Formula I, II, III, IV or V for preparation of substantially water-free carbon dioxide in oil foams.
Perry, Robert James (Niskayuna, NY), Enick, Robert Michael (Bethel Park, PA), Lee, Jason Jiwoo (Pittsburgh, PA), Beckman, Eric (Aspinwall, PA)
15/ 234,314
August 11, 2016
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT [0001] This invention was made with Government support under contract number DE-AR0000292 awarded by the Department Of Energy. The Government has certain rights in the invention.