High temperature fracturing fluids and methods
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United States of America Patent
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May 28, 2013
Grant Date -
Aug 16, 2012
app pub date -
Apr 26, 2012
filing date -
Sep 24, 2009
priority date (Note) -
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Abstract
Subterranean treatment fluids comprising: an aqueous base fluid and a reaction product of a gelling agent comprising a copolymer or salt thereof comprising N-[tris(hydroxymethyl)methyl]acrylamide, 2-acrylamido-2-methylpropanesulfonic acid or a salt thereof, acrylamide; and a crosslinking agent. Such treatment fluids are particularly well-suited for high temperature applications. In particular, they are suited for subterranean temperatures up to about 400° F.
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