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Article
Microbiological and production characteristics of the Dagang high-temperature heavy oil reservoir (block no. 1) during trials of the biotechnology for enhanced oil recovery
Microbiological and biogeochemical data on the Kongdian bed (block no. 1) of the Dagang high-temperature oilfield during trials of the biotechnology for enhanced oil recovery are reported. Oil-bearing horizons...
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Article
Microorganisms of the carbonate petroleum reservoir 302 of the Romashkinskoe oilfield and their biotechnological potential
Diversity, geochemical activity, and biotechnological potential of the microorganisms from oil bed 302 of the Romashkinskoe oilfield (Tatarstan, Russia) are reported. The microbial community contained almost n...
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Article
Detection and transcription of n-alkane biodegradation genes (alkB) in the genome of a hydrocarbon-oxidizing bacterium Geobacillus subterraneus K
The diversity and localization of alkB genes in the genome of the hydrocarbon-oxidizing bacterium Geobacillus subterraneus K, as well as the transcription of alkB genes, were studied as functions of culture growt...
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Article
Characterization of the aerobic hydrocarbon-oxidizing enrichments from a high-temperature petroleum reservoir by comparative analysis of DNA- and RNA-derived clone libraries
Enrichment cultures of aerobic hydrocarbon-oxidizing bacteria obtained from the injection and production wells of the Dagang oil field (China) were studied by molecular biological and microbiological methods. ...
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Article
Phylogenetic analysis of a microbial community involved in anaerobic oxidation of ammonium nitrogen
The phylogenetic diversity of a microbial community involved in anaerobic oxidation of ammonium nitrogen in the DEAMOX process was studied. Analysis of clone libraries containing 16S rRNA gene inserts of Bacteria
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Article
Regulation of geochemical activity of microorganisms in a petroleum reservoir by injection of H2O2 or water-air mixture
In the course of pilot trials of biotechnologies for the enhancement of oil recovery in formation waters of the Gangxi bed of the Dagang oil field (China), microbiological processes were investigated. The biot...
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Article
Microbiological investigations of high-temperature horizons of the Kongdian petroleum reservoir in connection with field trial of a biotechnology for enhancement of oil recovery
The physicochemical conditions and microbiological characteristics of the formation waters of the Kongdian oilfield of the Dagang oilfield (China) were studied. It was demonstrated that this oilfield is a high...
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Article
Microbiological and production characteristics of the high-temperature Kongdian petroleum reservoir revealed during field trial of biotechnology for the enhancement of oil recovery
Microbiological technology for the enhancement of oil recovery based on the activation of the stratal microflora was tested in the high-temperature horizons of the Kongdian bed (60°C) of the Dagang oil-field (...
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Article
Phylogenetic diversity and activity of anaerobic microorganisms of high-temperature horizons of the Dagang oil field (P. R. China)
The number of microorganisms of major metabolic groups and the rates of sulfate reduction and methanogenesis processes in the formation waters of the high-temperature horizons of Dagang oil field have been det...
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Article
The Phylogenetic Diversity of Aerobic Organotrophic Bacteria from the Dagang High-Temperature Oil Field
The distribution and species diversity of aerobic organotrophic bacteria in the Dagang high-temperature oil field (China), which is exploited with water-flooding, have been studied. Twenty-two strains of the m...
