Abstract
In order to probe a new enhanced oil recovery technology during the post polymer flooding process, we constructed the 16SrDNA gene library and analysed PCR-DGGE during the post-microbial enhanced oil recovery of polymer flooding process. Through the research for the reservoir system, we studied the microbial community structure and genetic diversity after polymer flooding process, made the phylogenetic analysis. It is supposed to provide a dependable basis for MEOR through directional control microbial community of reservoir, through development and application of effective microbial flooding technology.
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