Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids
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United States of America Patent
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Jan 16, 2007
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app pub date -
May 11, 2006
filing date -
Feb 27, 2004
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Abstract
The present invention relates to acidic treatment fluids that comprise an acid fluid and an ester-containing quaternary ammonium compound ('esterquat') and methods of their use. One embodiment of the present invention provides a method of inhibiting metal corrosion during a subterranean treatment operation comprising using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides a method of reducing sludge formation during a subterranean treatment operation formation comprising the step of using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides a method of inhibiting the formation of emulsions during a subterranean treatment operation comprising using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides an acidic subterranean treatment fluid comprising an acidic fluid and an esterquat.
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