期刊
CORROSION SCIENCE
卷 103, 期 -, 页码 242-254出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2015.11.024
关键词
Sulfate reducing bacteria; Methanogenesis; Corrosion; Souring; Microbial communities
资金
- Petroleum Technology Development Fund (PTDF)
- Nigeria and a Natural Sciences and Engineering Research Council (NSERC)
- Industrial Research Chair Award
- Genome Canada
Microbial communities associated with corrosion in samples from Nigeria facilities were examined. The SRB, heterotrophic nitrate reducing bacteria activities and SRB and acid producing bacteria counts were higher in Escravos than those in Meren. The corrosion rates were also higher in the Escravos samples possessing higher capacity in methane production. Pyrosequencing surveys indicate that Escravos samples had high fractions of potential hydrocarbon degrading bacteria and methanogenic archaea (mainly Methanosaeta and Methanococcus). Microbial activities at Meren were dominated by bacteria (Marinobacterium, Halomonas, Pseudomonas and Kosmotoga spp.). The research was the first to analyze microbial community structures in the oil facilities investigated. (C) 2015 Elsevier Ltd. All rights reserved.
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