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Journal of Engineering Volume 2017 ,2017-11-01
Physical Simulation of Colayer Water Flooding in Low Permeability Carbonate Reservoir in Middle East
Research Article
Xingwang Shi 1 , 2 Zhengming Yang 2 , 3 Yapu Zhang 2 , 3 Guangya Zhu 3 Qianhua Xiao 4
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DOI:10.1155/2017/2510251
Received 2017-04-07, accepted for publication 2017-09-19, Published 2017-09-19
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摘要

To study the flow mechanism under different displacement modes of low permeability carbonate reservoir in the Middle East and to improve the utilization of various types of reservoirs, the physical simulation experiments of water flooding by different displacement methods were carried out. Selecting two types of rock samples with different permeability levels, two-layer coinjection and separated production experiments by samples I and III and conventional water flooding experiments by samples II and IV were carried out. In addition, by using low magnetic field nuclear magnetic resonance, the development effect of microscopic pore structure under the different injection-production models was analyzed. Results show that, compared with the coinjection, the recovery rate of sample I was higher than II, 19.30%; sample III was lower than IV, 23.22%; and the comprehensive recovery degree reduced by 3.92%. NMR data also show that the crude oil is mainly distributed in the large pore throat; after water flooding, the displacement is also within the large pore throat, whereas the small pore throat is mainly obtained by the effect of infiltration absorption. The above studies provide a laboratory basis and foundation for the further development of low permeability carbonate reservoir in different Middle East strata.

授权许可

Copyright © 2017 Xingwang Shi et al. 2017
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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通讯作者

Xingwang Shi.University of Chinese Academy of Sciences, Beijing 100049, China, ucas.ac.cn;Department of Porous Flow & Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, China, cas.cn.shixingwang15@mails.ucas.ac.cn

推荐引用方式

Xingwang Shi,Zhengming Yang,Yapu Zhang,Guangya Zhu,Qianhua Xiao. Physical Simulation of Colayer Water Flooding in Low Permeability Carbonate Reservoir in Middle East. Journal of Engineering ,Vol.2017(2017)

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参考文献
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