PERMEABILITY BLOCKING WITH STIMULI-RESPONSIVE MICROCOMPOSITES
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United States of America Patent
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Issued Date -
Jul 26, 2012
app pub date -
Jan 26, 2012
filing date -
Jan 26, 2011
priority date (Note) -
Abandoned
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Abstract
Disclosed is a two-component fluid loss control system comprising a core substrate and a polymeric shell cooperating with each other to form a microcomposite, wherein the core substrate and the polymeric shell are formed from different materials. The system can demonstrate switchable behavior. The core substrate and the polymeric shell can be further modified, where modifications cooperate with each other to form the microcomposite. Also disclosed are formulations for fluid loss control and methods for controlling fluid loss in a well.
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