Methods of using fluid loss additives comprising micro gels
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United States of America Patent
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Apr 15, 2014
Grant Date -
Jul 14, 2011
app pub date -
Mar 18, 2011
filing date -
Apr 3, 2009
priority date (Note) -
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Abstract
Methods and fluids are provided that include, but are not limited to, a drilling fluid comprising an aqueous base fluid and a fluid loss control additive that comprises at least one polymeric micro gel and a method comprising: providing an aqueous based treatment fluid comprising a fluid loss control additive that comprises at least one polymeric micro gel; placing the aqueous based treatment fluid in a subterranean formation via a well bore penetrating the subterranean formation; allowing the fluid loss control additive to become incorporated into a filter cake located on a surface within the subterranean formation; allowing the filter cake to be degraded; and producing hydrocarbons from the formation. Additional methods are also provided.
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