Methods of modifying particulate surfaces to affect acidic sites thereon
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United States of America Patent
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Dec 9, 2008
Grant Date -
May 24, 2007
app pub date -
Nov 21, 2005
filing date -
Nov 21, 2005
priority date (Note) -
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Abstract
Methods comprising: providing a treatment fluid that comprises a base fluid and a least a plurality of coated particulates, the coated particulates having been treated with a surface modification agent and coated with a hydrolysable coating; placing the treatment fluid into a subterranean formation via a well bore. Also provided are methods comprising: treating a particulate with a surface modification agent; coating the particulate with a hydrolysable coating that has an initial degradation rate to produce a coated particulate; placing the particulate in a subterranean formation; and allowing the hydrolysable coating to degrade at a second degradation rate that is slower than its initial degradation rate.
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