Stable solutions of zirconium hydroxyalkylethylene diamine complex and use in oil field applications
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United States of America Patent
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Aug 14, 2012
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Dec 21, 2006
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Dec 21, 2006
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Abstract
A clear, stable, salt-free solution of a 1:1 molar complex of zirconium and N,N,N′,N′-tetrakis-(2-hydroxypropyl)ethylene diamine. The solution can be used in a cross-linking composition comprising a cross-linkable organic polymer for oil field applications such as fluid fracturing and plugging permeable zones in subterranean formations.
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