石油钻采工艺Issue(6)：95-97,3.
宝力格油田微生物驱物理模拟实验研究
Experimental study of microbial lfooding physical simulation for Baolige oilifeld
摘要
Abstract
Aiming at the issues in microbial lfooding process of Baolige oilifeld, the following points were deeply studied in this paper indoor physical simulation experiments, the effect of different lfooding ways on enhance oil recovery, the relationship between output bacterial concentration and injected bacteria concentration and inlfuence of nutrient solution concentration on maintaining the produced lfuid concentration of bacteria. The results showed that the microbial lfooding by injecting 1% bacterial lfuid plus 1% nutrient solution can enhance 16.77% oil recovery. And the produced lfuid can further enhance oil recovery by 5.74% when supplemented nutri-ent solution & bacterial lfuid and ferment about 10-12h before keep on microbial continuous lfooding, and the produced lfuid bacteria concentration can reach 108 cells / mL or more. However, due to the adsorption of cell core on microbial and the core permeability effect on microbial migration, the concentration of produced bacteria lfuids was always one order of magnitude lower than the concentration of injected bacteria lfuids. Using the produced lfuids reinjection added above 0.25% nutrient solution, the concentration of produced bacteria lfuids can be maintained at 107 cells/mL or more. The results can provide technical support for on-site inject program design.关键词
微生物采油/物理模拟实验/低温稠油油藏/微生物场Key words
microbial enhanced oil recovery/physical simulation experiment/heavy oil reservoir with low temperature/microbial ifeld分类
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李勇斌,于立新,张黎黎,段丽莎,吴景春,王启波..宝力格油田微生物驱物理模拟实验研究[J].石油钻采工艺,2013,(6):95-97,3.基金项目
国家自然科学基金“低品位油藏残余油生物降解转化机制研究”（编号51174092/E0403）；华北油田公司重大科技项目“宝力格油田驱油微生物场建立与维护配套技术研究及应用”（编号2011-HB-Z230）。 （）
