| 微生物采油机理研究 |
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| 引用本文： | 何正国 向廷生. 微生物采油机理研究[J]. 钻采工艺, 1999, 22(1): 19-21 |
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| 作者姓名： | 何正国 向廷生 |
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| 作者单位： | 江汉石油学院地球化学研究中心 |
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| 摘 要： | 本研究对辽河、江汉油水样中分离的４株微生物，在青海七个泉油田中１９井微生物增油的机理进行了详细的研究和分析．结果发现４种微生物能不同程度降解原油长链烷烃和芳烃且混合菌较单一菌效果好，同时生成大量具有降粘能力的短链有机酸、醇和生物气等物质．模拟试验表明，４种微生物及混合菌种均能不同程度地提高原油采收率．
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| 关 键 词： | 微生物 原油采收率 机理 降粘 人造岩心 实验室试验 |
RESEARCH ON MICROBE OIL RECOVERY |
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| He Zhengguo,Xiang Yansheng,Mei Bowei:. RESEARCH ON MICROBE OIL RECOVERY[J]. Drilling & Production Technology, 1999, 22(1): 19-21 |
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| Authors: | He Zhengguo Xiang Yansheng Mei Bowei: |
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| Abstract: | microorganisms are separated from oil-water samples from Liaohe,Jianghan Oilfield.Mechanism of microbial oil production stimulation in well Zhong 19 is studied and analysed in detail in Qi Gequan Oilfield of Qinghai.The analysis result shows that 4 microorganisms can degrade long chain alkane and aromatic hydrocarbon in crude oil,and mixed funguses have better result than single fungus.At the same time,a lot of short chain organic acid with viscosity-reducing characteristics,alcohol and biogas etc.are synthesized.Simulation tests show that 4 microorganisms and mixed funguses can all enhance crude oil recovery. |
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| Keywords: | microorganism crude oil recovery factor mechanism viscosity reduction artificial core laboratory testing |
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