Reducing aluminum compound precipitation following subterranean formation acidizing
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United States of America Patent
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Mar 11, 2003
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app pub date -
Jan 11, 1996
filing date -
Nov 18, 1993
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Abstract
Methods and compositions for reducing the precipitation of aluminum compounds following the contact of an aluminum containing subterranean formation with an acid solution containing hydrofluoric acid are provided. In accordance with the methods, a hydroxy carboxylic acid is combined with the hydrofluoric acid solution and the subterranean formation is contacted with the resulting acid solution.
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