On-the fly coating of acid-releasing degradable material onto a particulate
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United States of America Patent
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Sep 24, 2013
Grant Date -
Feb 17, 2005
app pub date -
Dec 15, 2003
filing date -
Aug 14, 2003
priority date (Note) -
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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 degrading filter cake deposited on a subterranean formation. One embodiment of the present invention provides a method of creating particulates coated with acid-releasing degradable material on-the-fly comprising the step of: combining an acid-releasing degradable material with a solvent or a plasticizer to create a coating solution; and, coating the coating solution onto a particulate on-the-fly to create coated particulates. Another embodiment of the present invention provides a gravel pack comprising gravel particles coated on-the-fly with an acid-releasing degradable material.
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