Methods and compositions for suppressing bacterial growth in a subterranean environment
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United States of America Patent
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Sep 24, 2014
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Sep 24, 2014
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Abstract
It is often desirable to suppress the growth of bacteria when conducting oilfield operations, particularly in the subterranean environment. Methods for suppressing growth of bacteria can comprise: providing a plurality of biocidal proppant particulates, the biocidal proppant particulates comprising a biocidal coating upon proppant particulates, the biocidal coating comprising a plurality of biocidal nanoparticles dispersed within a binder material; introducing the biocidal proppant particulates into a wellbore penetrating a subterranean formation; localizing at least a portion of the biocidal proppant particulates within the subterranean formation; and suppressing growth of one or more types of bacteria with the biocidal nanoparticles in the wellbore or in the subterranean formation.
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