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[1]毕永强,高煜婷,王春友,等.渗透率对菌体调剖驱油效果的影响[J].断块油气田,2020,27(04):493-497.[doi:10.6056/dkyqt202004017]
 BI Yongqiang,GAO Yuting,WANG Chunyou,et al.Effect of permeability on profile control and oil displacement by bacteria[J].Fault-Block Oil and Gas Field,2020,27(04):493-497.[doi:10.6056/dkyqt202004017]
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渗透率对菌体调剖驱油效果的影响(PDF)
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《断块油气田》[ISSN:1005-8907/CN:41-1219/TE]

卷:
27
期数:
2020年04
页码:
493-497
栏目:
默认栏目
出版日期:
2020-07-25

文章信息/Info

Title:
Effect of permeability on profile control and oil displacement by bacteria
作者:
毕永强1高煜婷2王春友2修建龙34伊丽娜34
1.西安航空学院,陕西 西安 710077;2.中国石油庆新油田开发有限责任公司,黑龙江 安达 151413; 3.中国石油勘探开发研究院,北京 100083;4.中国科学院渗流流体力学研究所,河北 廊坊 065007
Author(s):
BI Yongqiang1 GAO Yuting2 WANG Chunyou2 XIU Jianlong34 YI Lina34
1.Xi′an Aeronautical University, Xi′an 710077, China; 2.Qingxin Oilfield Development Company Ltd., PetroChina, Anda 151413, China; 3.Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083, China; 4.Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, China
关键词:
微生物采油调剖渗透率级差分流率物理模拟
Keywords:
microbial enhanced oil recovery profile control permeability ratio shunt rate physical simulation
分类号:
-
DOI:
10.6056/dkyqt202004017
文献标志码:
A
摘要:
为了探究菌体调剖驱油在提高原油采收率方面的能力和适用条件,通过并联均质胶结岩心构建了非均质油藏模型,利用物理模拟驱油实验分别研究了不同渗透率和渗透率级差条件下的菌体调剖驱油效果。结果表明,菌体调剖驱油效果与渗透率大小和渗透率级差密切相关。当油藏渗透率为101.84×10-3~741.87×10-3 μm2、渗透率级差为0~8.01时,菌体调剖驱油可最大提高采收率5.10百分点。当渗透率级差增大到7.28时,菌体吸附滞留所形成的调剖作用无法明显改善储层非均质性,不能达到调剖驱油的效果。菌体调剖驱油效果随着综合渗透率的增大而降低。研究结果对于深化微生物采油机理的认识和判定微生物采油的适用条件具有一定的指导意义。
Abstract:
To explore the ability and applicable conditions in the process of enhanced oil recovery by bacterial profile control, the heterogeneous reservoir model was constructed by parallel homogeneous cemented core, and the effect of bacterial profile control on oil displacement under different permeability ratios and different permeabilities was studied by physical simulation experiments. The results show that the profile control and oil displacement of bacteria are closely related to the permeability and permeability ratio. When the permeability of the reservoir is in the range of 101.84×10-3-741.87×10-3 μm2, with the permeability ratios of 0-8.01, profile control and oil displacement of the bacteria can increase maximum recovery rate by 5.10%. When the permeability ratio increases to 7.28, the profile control effect formed by the adsorption retention of the bacteria could not significantly improve the reservoir heterogeneity, and could not form the profile control oil displacement effect. With the increase of comprehensive permeability, the profile control and oil displacement effect of bacteria decrease. The research results have certain guiding significance for deepening the understanding of the mechanism of microbial oil recovery and determining the applicable conditions of microbial enhanced oil recovery.

参考文献/References:

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备注/Memo

备注/Memo:
更新日期/Last Update: 2020-07-24