Detecting Hydrocarbons in a Geological Structure
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United States of America Patent
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Jun 4, 2015
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Jun 24, 2013
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Jun 22, 2012
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Abstract
Magnetic nanoparticles are utilized for magnetically detecting hydrocarbons in a geological structure. The magnetic nanoparticles generally include a core particle and a temperature responsive polymer associated with the core particle. The temperature responsive polymer may include polyacrylamides, polyethylene glycols, or combinations thereof. The temperature responsive polymer facilitates an agglomeration of the nanoparticles in a fluid at an organic/aqueous interface of the fluid, an organic phase of the fluid, or combinations thereof. The agglomeration may occur at a specific temperature or temperature range.
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