PROCESS FOR TREATMENT OF UNDERGROUND FORMATIONS
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United States of America Patent
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Issued Date -
Oct 7, 2010
app pub date -
Dec 11, 2008
filing date -
Dec 11, 2007
priority date (Note) -
Abandoned
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Abstract
A process for treating an underground formation, which process comprises: (a) introducing into the underground formation a treatment fluid comprising an organic acid precursor; (b) heating a zone within the formation, which zone contains at least a portion of the organic acid precursor, to a temperature which is above the natural formation temperature and sufficient to increase the rate of hydrolysis of the organic acid precursor; and (c) allowing the organic acid precursor to hydrolyse to produce an organic acid in an amount effective to acidize the underground formation.
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