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Microbial community composition of a hydrocarbon reservoir 40 years after a CO2 enhanced oil recovery flood

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Jenna L. Shelton, Robert S. Andrews, Denise M. Akob, Christina A. DeVera, Adam C. Mumford, John E. McCray, and Jennifer C. McIntosh, 2018, Microbial community composition of a hydrocarbon reservoir 40 years after a CO2 enhanced oil recovery flood: FEMS Microbiology Ecology, v. 94, iss. 10.

Summary

Injecting CO2 into depleted oil reservoirs to extract additional crude oil is a common enhanced oil recovery (CO2-EOR) technique. However, little is known about how in situ microbial communities may be impacted by CO2 flooding, or if any permanent microbiological changes occur after flooding has ceased. Formation water was collected from an oil field that was flooded for CO2-EOR in the 1980s, including samples from areas affected by or outside of the flood region, to determine the impacts of CO2-EOR on reservoir microbial communities. Archaea, specifically methanogens, were more abundant than bacteria in all samples, while identified bacteria exhibited much greater diversity than the archaea. Microbial communities in CO2-impacted and [...]

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Type Scheme Key
local-index unknown 70199331
local-pk unknown 70199331
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1093/femsec/fiy153
series unknown FEMS Microbiology Ecology

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citationTypeArticle
journalFEMS Microbiology Ecology
languageEnglish
parts
typevolume
value94
typeissue
value10

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