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Dissipative particle dynamics simulation of wettability alternation phenomena in the chemical flooding process | |
Li XB(李小波); Liu YW(刘曰武); Tang JF; Li SJ; Li XB | |
发表期刊 | Acta Mechanica Sinica |
2009 | |
卷号 | 25期号:5页码:583-587 |
ISSN | 0567-7718 |
摘要 | Wettability alternation phenomena is considered one of the most important enhanced oil recovery (EOR) mechanisms in the chemical flooding process and induced by the adsorption of surfactant on the rock surface. These phenomena are studied by a mesoscopic method named as dissipative particle dynamics (DPD). Both the alteration phenomena of water-wet to oil-wet and that of oil-wet to water-wet are simulated based on reasonable definition of interaction parameters between beads. The wetting hysteresis phenomenon and the process of oil-drops detachment from rock surfaces with different wettability are simulated by adding long-range external forces on the fluid particles. The simulation results show that, the oil drop is liable to spread on the oil-wetting surface and move in the form of liquid film flow, whereas it is likely to move as a whole on the water-wetting surface. There are the same phenomena occuring in wettability-alternated cases. The results also show that DPD method provides a feasible approach to the problems of seepage flow with physicochemical phenomena and can be used to study the mechanism of EOR of chemical flooding. |
关键词 | Wettability Alternation Dissipative Particle Dynamics Enhanced Oil Recovery Chemical Flooding Mesoscopic Mechanics Mesoscopic Simulation Flow |
DOI | 10.1007/s10409-009-0247-5 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000269843600002 |
关键词[WOS] | MESOSCOPIC SIMULATION ; FLOW |
WOS研究方向 | Engineering ; Mechanics |
WOS类目 | Engineering, Mechanical ; Mechanics |
项目资助者 | National Basic Research Program of China [2005CB221304] |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/33585 |
专题 | 环境力学重点实验室(2009-2011) |
通讯作者 | Li XB |
推荐引用方式 GB/T 7714 | Li XB,Liu YW,Tang JF,et al. Dissipative particle dynamics simulation of wettability alternation phenomena in the chemical flooding process[J]. Acta Mechanica Sinica,2009,25,5,:583-587. |
APA | 李小波,刘曰武,Tang JF,Li SJ,&Li XB.(2009).Dissipative particle dynamics simulation of wettability alternation phenomena in the chemical flooding process.Acta Mechanica Sinica,25(5),583-587. |
MLA | 李小波,et al."Dissipative particle dynamics simulation of wettability alternation phenomena in the chemical flooding process".Acta Mechanica Sinica 25.5(2009):583-587. |
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