Influence of injected gas type and reservoir conditions on the oil migration in calcite nanoslits
Influence of injected gas type and reservoir conditions on the oil migration in calcite nanoslits
复制标题
注入气体类型和储层条件对方解石纳米缝中石油运移的影响
DOI：
10.1016/j.petrol.2021.109754
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发表时间：
2021-11
影响因子：
--
通讯作者：
Xiao Wang
中科院分区：
文献类型：
--
作者：
Shujun Li;Xishun Hao;Shunchang Yu;Youguo Yan;Jun Zhang;Xiao Wang
油在纳米缝中的运移是提高原油采收率的关键。本研究以方解石为深层和中浅层储层的典型代表，从分子水平上研究了天然气对方解石纳米缝中石油运移行为的影响。气驱过程中原油的运移行为表现为整体运移和气体通道运移两种类型，这取决于原油吸附区的稳定性。具体而言，当气体/纳米缝的相互作用比油/纳米缝的相互作用强时，油的吸附区域保持稳定，油会发生整体迁移;反之则形成气体通道。深层储层注入气对油气运移的影响顺序为CO2> C3 H8> CH 4> N2，中浅层储层注入气对油气运移的影响优于深层储层。研究从分子水平揭示了注入气和储层条件对石油运移的影响，为深部油气藏的勘探提供了理论依据。
The oil migration in nanoslits is essential to enhance oil recovery. In this study, the calcite was selected as typical representative of deep and medium-shallow reservoir, the effect of gas on oil migration behavior in calcite nanoslits is investigated at molecular level. Two types of migration behaviors, via overall migration and gas channel, were observed for oil in gas flooding, which was determining by the stability of oil adsorption region. Specifically, if the interaction of gas/nanoslits was more vigorous than that of oil/nanoslits, the oil adsorption region will remain stable and the oil would be overall migration; otherwise it formed gas channel. The influence of injected gas on oil migration had the sequence of CO2>C3H8>CH4>N2under deep reservoirs, which is better than that under medium-shallow reservoirs. Our study highlighted the influence of injected gas and reservoir conditions on the oil migration at a molecular level, which might help facilitate the exploration of deep reservoirs.
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影响因子：
7.4
作者：
Xiaofang Li;Sen Wang;Q. Feng;Q. Xue
通讯作者：
Xiaofang Li;Sen Wang;Q. Feng;Q. Xue
影响因子：
5.3
作者：
N. Alharthy;Tadesse Weldu Teklu;H. Kazemi;R. Graves;S. Hawthorne;J. Braunberger;B. Kurtoglu
通讯作者：
N. Alharthy;Tadesse Weldu Teklu;H. Kazemi;R. Graves;S. Hawthorne;J. Braunberger;B. Kurtoglu
影响因子：
--
作者：
Kaiqiang Zhang;N. Jia;F. Zeng;Songyan Li;Lirong Liu
通讯作者：
Kaiqiang Zhang;N. Jia;F. Zeng;Songyan Li;Lirong Liu
CO2/CH4/C3H8/N2与原油在纳米狭缝中的混溶行为及机理：分子动力学模拟研究
影响因子：
7.4
作者：
Wang Ping;Li Xiaofang;Tao Zhengwu;Wang Sen;Fan Jiawei;Feng Qihong;Xue Qingzhong
通讯作者：
Xue Qingzhong
影响因子：
4.2
作者：
G. Zhu;A. Milkov;Feiran Chen;N. Weng;Zhiyao Zhang;Haijun Yang;Keyu Liu;Yongfeng Zhu
通讯作者：
G. Zhu;A. Milkov;Feiran Chen;N. Weng;Zhiyao Zhang;Haijun Yang;Keyu Liu;Yongfeng Zhu