文献类型：期刊文献

英文题名：Characteristics of microbiota, core sulfate-reducing taxa and corrosion rates in production water from five petroleum reservoirs in China

作者：Zhou, Lei[1,2,5];Wu, Jun[1,2];Ji, Jia-Heng[1,2];Gao, Jie[1,2];Liu, Yi-Fan[1,2,5];Wang, Biao[1,2,6];Yang, Shi-Zhong[1,2,5];Gu, Ji-Dong[3,4];Mu, Bo-Zhong[1,2,5]

机构：[1]East China Univ Sci & Technol, State Key Lab Bioreactor Engn, 130 Meilong Rd, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Sch Chem & Mol Engn, 130 Meilong Rd, Shanghai 200237, Peoples R China;[3]Guangdong Technion Israel Inst Technol, Environm Sci & Engn Grp, 241 Daxue Rd, Shantou 515063, Guangdong, Peoples R China;[4]Guangdong Technion Israel Inst Technol, Guangdong Prov Key Lab Mat & Technol Energy Conver, 241 Daxue Rd, Shantou 515063, Guangdong, Peoples R China;[5]East China Univ Sci & Technol, Engn Res Ctr Microbial Enhanced Oil Recovery, 130 Meilong Rd, Shanghai 200237, Peoples R China;[6]Sinopec, Res Inst Petr Engn, Jiangsu Oilfield, Yangzhou 225009, Peoples R China

年份：2023

卷号：858

外文期刊名：SCIENCE OF THE TOTAL ENVIRONMENT

收录：;EI(收录号：20224613115733);WOS:【SCI-EXPANDED(收录号:WOS:000905124400002)】；

基金：This work was supported by the National Natural Science Foundation of China (No. 41403066) . The authors are grateful to the management of Bohai, Shengli, Daqing, Jiangsu and Xinjiang oilfields for sampling support.

语种：英文

外文关键词：Petroleum reservoir; Microbial community; Sulfate-reducing prokaryote; Core taxa; Physicochemical factor

摘要：Microbial diversity and activities in petroleum reservoir systems can be altered by water-flooding operation, but the current understanding of the mechanism for such changes in microbial composition characteristics and community is inadequate. In this study, microbial communities especially functional groups in production water from five petro-leum reservoirs in China were investigated by chemical and molecular biological analyses. The dominant and core phyla in the five oil reservoirs were Proteobacteria, Deferribacterota, Firmicutes, Desulfobacterota, Euryarchaeota and Thermoplasmatota. At the genus level, the dominant taxa in each petroleum reservoir were different, and not all of the dominant genera were the core members across the five oil reservoirs. The microbiologically influenced cor-rosion (MIC) were investigated for the functional groups in each production water. The corrosion rates in production water were higher than controls with a positive correlation to the abundances of sulfate-reducing prokaryotes (SRP). The SRP diversity based on the aprA and dsrA gene analysis showed that obvious differences were evident between onshore (JS, SL, DQ and XJ) and offshore (BS) oilfields. The core SRP taxa in onshore oilfields were Desulfomicrobium and Desulfovibrio, also with Desulfotomaculum in medium/low-temperature oil reservoirs (DQ and XJ), but in high -temperature petroleum reservoirs (JS, BS and SL), Archaeoglobus, Thermodesulfobacterium and Thermodesulfovibrio were the core groups. Statistical analysis indicated that temperature, electron acceptors and donors showed significant influence on the SRP community. This research reveals the characteristics of microbial and functional community as well as their interaction mechanism on corrosion in petroleum reservoir environments, and will improve industrial bio-control and management of MIC in oilfields.