Systems and methods for treating a subterranean formation using carbon dioxide and a crosslinked fracturing fluid
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United States of America Patent
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May 2, 2006
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Aug 28, 2003
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Aug 28, 2003
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Abstract
The present invention relates to fluid systems comprising a first fluid comprising carbon dioxide and a second fluid comprising an alkaline crosslinked fluid. The fluid combinations of the present invention may be used, for example, in hydraulic fracturing, frac-packing, and gravel packing. Some embodiments of the present invention provide systems for treating a subterranean formation comprising a first fluid comprising a foamed carbon dioxide fluid, an emulsion of carbon dioxide, or a carbon dioxide gel; and, a second fluid comprising an alkaline crosslinked fluid.
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