Viscosified fluids for remediating subterranean damage
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United States of America Patent
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May 13, 2014
Grant Date -
Jul 19, 2012
app pub date -
Mar 29, 2012
filing date -
May 22, 2007
priority date (Note) -
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Abstract
Methods for remediating a subterranean formation can comprise: introducing a first remedial fluid into a first portion of a subterranean formation, wherein the first remedial fluid comprises a base fluid and a viscosifying agent; and allowing the first remedial fluid to divert at least a portion of a second remedial fluid that comprises an oxidizer to a second portion of the subterranean formation; wherein the viscosifying agent comprises at least one viscosifying agent selected from the group consisting of a gelling agent, an emulsifier, or a gas in combination with a foaming agent; and wherein the gelling agent, if present, comprises at least one polymer selected from the group consisting of xanthan, diutans, wellans, succinoglycan, clarified biopolymers, scleroglycan, combinations thereof, and derivatives thereof.
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