Experiment of Bacter ia Filtration and Oil-Displacing Efficiency by MEOR Process in Karamay Field

Abstract

Abstract: In view of the candidate reservoir geological conditions in pilot area of Karamay field, several bacteria species are screened from MEOR lab for hydrocarbon degradation, which have properties of producing the acids and the bio-surfactant, etc. The reservoir geological conditions in pilot area are simulated and the experiment for lab microbiological oil displacement is made, in order to detect the oil-displacing efficiency for such bacteria species in function, injection period and plug concentration, and their effect on the efficiency in different fermentation time as well as the relationship between gas volume produced by the bacteria species and corresponding oil-displacing efficiency.

Key words: Karamay field, microbe, MEOR, bacterium, screening, oil-displacing efficiency

CLC Number:

TE357.9

DAI Xue-cheng, ZHANG Ting-hui, YANG Zhao-hui, YANG Xiao-hong, FU Guang-hui, CHEN Quan-sheng. Experiment of Bacter ia Filtration and Oil-Displacing Efficiency by MEOR Process in Karamay Field[J]. Xinjiang Petroleum Geology, 2007, 28(6): 731-732.

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Experiment of Bacter ia Filtration and Oil-Displacing Efficiency by MEOR Process in Karamay Field

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