Orthoester compositions and methods of use in subterranean applications
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United States of America Patent
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Nov 28, 2006
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app pub date -
Jan 7, 2004
filing date -
Aug 14, 2003
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Abstract
The present invention relates to methods and compositions for treating subterranean formations, and more specifically, to improved methods and compositions for generating acids for use downhole, for example, to at least partially degrade the acid-soluble portions of filter cakes deposited in subterranean formations. In one embodiment, the present invention provides a method of degrading an acid-soluble portion of a filter cake comprising contacting the acid-soluble portion of the filter cake with an acid generated from an orthoester.
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