[1]刘保磊,董汉平,等.储层中菌体微观调剖驱油效果分析[J].深圳大学学报理工版,2011,28(No.4(283-376)):356-361.
 LIU Bao-lei,DONG Han-ping,YU Li,et al.Displacement characteristics analysis of bacterial microscopic profile control in reservoir[J].Journal of Shenzhen University Science and Engineering,2011,28(No.4(283-376)):356-361.
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储层中菌体微观调剖驱油效果分析()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第28卷
期数:
2011年No.4(283-376)
页码:
356-361
栏目:
环境与能源
出版日期:
2011-07-20

文章信息/Info

Title:
Displacement characteristics analysis of bacterial microscopic profile control in reservoir
文章编号:
1000-2618(2011)04-0356-06
作者:
刘保磊1董汉平1 2俞理1 2杨玲3
1)中国科学院渗流流体力学研究所,河北廊坊 065007
2)中国石油勘探开发研究院廊坊分院,河北廊坊 065007
3)中国石油大学(北京)地球科学学院,北京 102249
Author(s):
LIU Bao-lei1DONG Han-ping12YU Li12and YANG Ling3
 1)Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Hebei Province, Langfang 065007, P.R.China
2)Research Institute of Petroleum Exploitation and Development, Hebei Province, Lang fang 065007, P.R.China
3)College of Geosciences China University of Petroleum,Beijing, Beijing 102249, P.R.China
关键词:
油藏工程微生物驱油原油采收率油层孔喉结构微观调剖多孔介质相对渗透率
Keywords:
reservoir engineeringmicrobial enhanced oil recovery(MEOR)oil recoverypetroleum reservoirspore structuremicroscopic profile controlporous mediarelative permeability
分类号:
TE 312
文献标志码:
A
摘要:
为说明菌体在储层孔道中的滞留对微生物驱油效果的贡献,借助微观仿真孔隙透明模型观察了菌体在多孔介质孔道中滞留聚集现象,测定了岩心中菌体滞留引起的油水两相相对渗透率的变化,分析菌体在储层孔道中的滞留聚集规律,及其对储层中油水两相流体流动能力的影响.研究发现,微观仿真孔隙透明模型中的驱动压力随菌体在储层孔道中的滞留量增加呈阶梯状渐升,驱出液中的菌体含量下降到一定值后趋于相对稳定;岩心中菌体的滞留造成油水两相的共渗区域扩大,油相相对渗透率曲线后移,水相相对渗透率曲线下降.表明储层孔道中滞留的菌体降低了水流沿大孔道渗流的能力,扩大了注水波及体积,起到了微观调剖作用,有助提高原油采收率.
Abstract:
To investigate the displacement characteristics induced by the cell’s retention,the retention and aggregation phenomenon and regular pattern of the cell in the microscopic porous model,the change of the oil-water relative permeability caused by the cell’s retention,and the effect on the flow ability of the oil-water in reservior were observed and analyzed.The experiment reveals that,in the microscopic porous model,the driving pressure increases stepwise as the concentration of cell retention increases. The cell concentration in the liquid driven out tends to be relatively stable after decreasing to a certain value.Moreover,when the common flow region of the oil and water becomes larger,the oil relative permeability curve moves backward,and the water relative permeability curve decreases as the cell’s retention in the core decreases.The study shows that the function of the cell’s microscopic profile control is significant in enhancing oil recovery. This can reduce the flow ability along high capacity channel and extend the sweep area.

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备注/Memo

备注/Memo:
收稿日期:2010-11-26;修回日期:2011-05-25
基金项目:国家高技术研究发展计划资助项目(2009AA063504);国家重点基础研究发展计划资助项目(2005cb221308)
作者简介:刘保磊(1982-),男(汉族),江苏省丰县人,中国科学院渗流流体力学研究所硕士研究生.E-mail:liublei@hotmail.com
通讯作者:俞理(1964-),男(汉族),中国石油勘探开发研究院高级工程师.E-mail:yuli3058@163.com
更新日期/Last Update: 2011-07-22