Methods for increasing methanogenesis in subsurface reservoirs
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United States of America Patent
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Nov 17, 2015
Grant Date -
Jan 24, 2013
app pub date -
Dec 29, 2010
filing date -
Dec 31, 2009
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Abstract
Methods for increasing the increasing the rate of methane production in a subsurface reservoir are provided, for example by identifying the petroleum components in the reservoir; identification of microbes and nutrients contained in the formation water; selection of additional nutrients shown to be effective for the particular microbial consortium in that reservoir and then enhancing and preferably maximizing the total amount of nutrients available to the microbes in a manner such that methane generation is maximized while at the same time ensuring that the concentration of nutrients in the well is non-lethal to the microbes.
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