Top-down enrichment of oil field microbiomes to limit souring and control oil composition during extraction operations

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Author(s)Hillman, Ethan T.
Author(s)Caceres-Martinez, Louis Edwards
Author(s)Kilaz, Gozdem
Author(s)Solomon, Kevin V.
Date Accessioned2022-12-23T18:43:46Z
Date Available2022-12-23T18:43:46Z
Publication Date2022-10-17
DescriptionThis article was originally published in AIChE Journal. The version of record is available at: https://doi.org/10.1002/aic.17927
AbstractMicrobial processes sour oil, corrode equipment, and degrade hydrocarbons at an annual global cost to the oil and gas industry of nearly $2 billion. However, top-down control of these microbial processes can reduce their damage and enhance oil recovery. Here, we screened microbial communities from five oil wells in the Illinois basin and evaluated nutrient injection strategies to control metabolism and community composition. Molasses with molybdate supplementation stimulated gas and organic acid production while suppressing corrosive H2S formation in samples from two wells. These changes were accompanied with significant reshaping of the microbiome community. Simulations of field operations via a lab-scale mini-coreflood validated that oil well microbiomes can be engineered to inhibit deleterious H2S and shape oil hydrocarbon composition in situ. These pilot studies validate the economic potential and sustainability of top-down approaches for microbiome engineering to control microbes in oil extraction and enhance the economic viability of oil recovery.
SponsorThis project was financially supported by the Pioneer Oil Company (Vincennes, IN) and the Purdue Enhanced Oil Recovery Lab.
CitationHillman, ET, Caceres-Martinez, LE, Kilaz, G, Solomon, KV. Top-down enrichment of oil field microbiomes to limit souring and control oil composition during extraction operations. AIChE J. 2022; 68( 12):e17927. doi:10.1002/aic.17927
ISSN1547-5905
URLhttps://udspace.udel.edu/handle/19716/31917
Languageen_US
PublisherAIChE Journal
Keywordscomprehensive 2D gas chromatography
Keywordscultivation screening
Keywordsmicrobial enhanced oil recovery
Keywordsmicrobiome engineering
Keywordsminiature coreflood
Keywordstop down design
TitleTop-down enrichment of oil field microbiomes to limit souring and control oil composition during extraction operations
TypeArticle
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