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首页> 外文期刊>Environmental Science & Technology >Microbial Abundance and Community Composition Influence Production Performance in a Low-Temperature Petroleum Reservoir
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Microbial Abundance and Community Composition Influence Production Performance in a Low-Temperature Petroleum Reservoir

机译：低温石油储层中微生物的丰度和群落组成影响生产性能

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摘要

Educed oil recovery using indigenous microorganisms has been successfully appliter in the petroleum industry, but the role of microorganisms remains poorly understood Here, we investigated the relationship between during a water flooding process coupled with nutrient injection in a low-temperature petroleum reservoir. Samples were collected monthly over two-year period. The microbial community structure in each production well microhabitat was well as an increase in the density of microorganisms, biosurfactant producers, such as Pseudomonas, Alcaligenes, Rhodococcus, and Rhizobium, where detected in abundance. Furthermore, the density of these microorganisms was clsely related to the incremental oil production. Oil emulsification and changes in the fluid-production profile were also observed. In addition, we found that microbial community structure was strongly correlated with environmental factors, such as water content and total nitrogen. These results suggest that injected nutrients increase the abundance of microorganisms, particularly biosurfactant producers. These bacteria and their metabolic products subsequently emulsify oil and alter fluid-production profiles to enhance oil recovery.
机译：使用本地微生物进行的诱导油采收已在石油工业中成功应用，但微生物的作用仍然知之甚少。在这里，我们研究了在低温石油储层中注水和营养注入之间的关系。在两年内每月收集一次样品。每个生产井微生境中的微生物群落结构以及大量检测到的微生物，生物表面活性剂生产者（如假单胞菌，产碱菌，红球菌和根瘤菌）的密度都有所增加。此外，这些微生物的密度与采油量的增加密切相关。还观察到油乳化和流体生产曲线的变化。此外，我们发现微生物群落结构与环境因素（如水含量和总氮）密切相关。这些结果表明，注入的养分增加了微生物的丰富度，特别是生物表面活性剂的产生。这些细菌及其代谢产物随后会乳化油，并改变产油量，以提高油的采收率。

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  • 来源
    《Environmental Science & Technology》 |2014年第9期|5336-5344|共9页
  • 作者

    Guoqiang Li; Peike Gao; Yunqiang Wu; Huimei Tian; Xuecheng Dai; Yansen Wang; Qingfeng Cui; Hongzuo Zhang; Xiaoxuan Pan; Hanping Dong; Ting Ma;

  • 作者单位

    Key Laboratory of Molecular Microbilogy and Technology, Ministry of Education, Tianjin 300071, P.R. China,College of Life Sciences, Nankai University Tianiin 300071, P.R. China;

    Key Laboratory of Molecular Microbilogy and Technology, Ministry of Education, Tianjin 300071, P.R. China;

    Experiment and Test Institute, Xinjiang Oilfield Company, Karamay 834000, P.R. China;

    Key Laboratory of Molecular Microbilogy and Technology, Ministry of Education, Tianjin 300071, P.R. China;

    Experiment and Test Institute, Xinjiang Oilfield Company, Karamay 834000, P.R. China;

    Key Laboratory of Molecular Microbilogy and Technology, Ministry of Education, Tianjin 300071, P.R. China;

    Research Institute of Petroleum Exploration and Development, Langfang branch, CNPC, Langfang 065000, P.R. China;

    Key Laboratory of Molecular Microbilogy and Technology, Ministry of Education, Tianjin 300071, P.R. China;

    Key Laboratory of Molecular Microbilogy and Technology, Ministry of Education, Tianjin 300071, P.R. China;

    Research Institute of Petroleum Exploration and Development, Langfang branch, CNPC, Langfang 065000, P.R. China;

    Key Laboratory of Molecular Microbilogy and Technology, Ministry of Education, Tianjin 300071, P.R. China,College of Life Sciences, Nankai University Tianiin 300071, P.R. China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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