Crosslinked acids comprising derivatized xanthan and subterranean acidizing applications
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United States of America Patent
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Jul 13, 2010
Grant Date -
Aug 28, 2008
app pub date -
Feb 22, 2007
filing date -
Feb 22, 2007
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Abstract
Many methods are provided herein including, in one embodiment, a method comprising: providing a fluid that comprises an acid, crosslinked oxidized xanthan, and optionally, a base fluid; placing the fluid in a well bore penetrating a subterranean formation; and allowing the fluid to acidize at least a portion of the formation or damage contained therein. In another embodiment, herein provided is a fluid for subterranean uses comprising an acid and crosslinked, oxidized xanthan.
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