Solid zirconium-based cross-linking agent and use in oil field applications
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United States of America Patent
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Oct 25, 2011
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May 21, 2009
app pub date -
Nov 21, 2007
filing date -
Nov 21, 2007
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Abstract
A solid zirconium cross-linking agent and use in a cross-linking composition in oil field applications such as hydraulic fracturing and plugging of permeable zones. The zirconium cross-linking agent is prepared by a process comprising contacting a zirconium complex with an alkanolamine and water at particular mole ratios of alkanolamine and water to zirconium.
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