SELF-HYDRATING, SELF-CROSSLINKING GUAR COMPOSITIONS AND METHODS
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United States of America Patent
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Issued Date -
Dec 6, 2007
app pub date -
Jun 1, 2007
filing date -
Jun 1, 2006
priority date (Note) -
Abandoned
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Abstract
A self-hydrating, self-crosslinking dry composition is used to prepare a hydrated, crosslinked fracturing fluid upon addition of water, the composition comprising (A) guar powder or a guar derivative powder; (B) crosslinker selected from the group consisting of boric acid, borax, borate ore, boron ore, antimony compounds, aluminum compounds, zirconium compounds, and titanium compounds; and (C) slow dissolving alkaline buffer, wherein the crosslinker (B) is non-encapsulated.
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