利用孔隙网络模型模拟岩样中驱替过程的一种新方法
A new pore network based algorithm for water-oil displacements in core
查看参考文献21篇
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文摘
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本文提出准动态驱替的概念以描述岩石内驱替速度介于准静态和动态之间的驱替过程. 准动态模型在不同的尺度区别对待黏性力: 将表征单元体(REV)尺度的驱替视为动态,而将孔隙尺度的驱替视为准静态. 在REV 尺度上,提出双重网络简化计算黏性力和毛管力的综合作用; 在孔隙尺度上,运用概率方法描述界面在不同孔隙内的运动几率,提高了计算效率. 通过与现有的计算和实验结果进行对比验证了模型的正确性,并基于特定岩石微CT 扫描图像建立等价孔隙网络,计算分析了岩样内驱替速度、孔隙半径分布和孔隙角落形状对水驱油过程的影响. 本文计算模型有利于认识岩石内水油两相驱替的动态全过程. |
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其他语种文摘
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The concept of quasi-dynamic displacement is presented to describe displacement with velocity between quasi-static and dynamic process. Viscousity is treated in different way in different scale: displacement in representative elementary volume(REV) scale is treated as dynamic, while displacement in pore scale is treated as quasi-static. In REV scale, double network is proposed for simplified calculation of viscous force and capillary force. In pore scale, probability technique is used to reduce computational demanding. The new model is validated by previous numerical and experimental results. With the network established based on specific micro CT scan images, the influences of displacement velocity, pore radius distribution and pore corner shape on water flooding process are analysed. The numerical model in this work is conducive to the understanding of the whole process of water-oil displacement. |
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来源
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中国科学. 物理学
, 力学, 天文学,2014,44(6):637-645 【核心库】
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DOI
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10.1360/sspma2013-00051
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关键词
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准动态模型
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孔隙网络
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CT 扫描
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残余饱和度
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相对渗透率
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地址
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中国科学院力学研究所, 北京, 100190
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1674-7275 |
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基金
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深层油气、非常规天然气成藏规律与有利勘探区评价技术
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国家潜在油气资源产学研用合作创新项目“油页岩勘探开发利用”
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国家自然科学基金
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文献收藏号
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CSCD:5156948
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参考文献 共
21
共2页
|
|
1.
Lenormand R. Numerical-models and experiments on immiscible displacements in porous-media.
J Fluid Mech,1988,189:165-187
|
被引
54
次
|
|
|
|
|
2.
Pereira G G. Pore-scale network model for drainage-dominated three-phase flow in porous media.
Transport Porous Media,1996,24(2):167-201
|
被引
1
次
|
|
|
|
|
3.
Al-Gharbi M S. Dynamic network modeling of two-phase drainage in porous media.
Phys Rev E,2005,71(1):016308
|
被引
5
次
|
|
|
|
|
4.
Idowu N A. Pore-scale modelling of rate effects in waterflooding.
Transport Porous Media,2010,83(1):151-169
|
被引
3
次
|
|
|
|
|
5.
Dahle H. A dynamic network model for two-phase immiscible flow.
Comput Geosci,1999,3(1):1-22
|
被引
1
次
|
|
|
|
|
6.
Joekar-Niasar V. Non-equilibrium effects in capillarity and interfacial area in two-phase flow: dynamic pore-network modelling.
J Fluid Mech,2010,655:38-71
|
被引
10
次
|
|
|
|
|
7.
Piri M. Three-dimensional mixed-wet random pore-scale network modeling of two-and three-phase flow in porous media. I. Model description.
Phys Rev E,2005,71(2):026301
|
被引
8
次
|
|
|
|
|
8.
Wilkinson D. Invasion percolation: A new form of percolation theory.
J Phys A-Math General,1983,16(14):3365-3376
|
被引
27
次
|
|
|
|
|
9.
Zhao X C. Pore-scale modeling: Effects of wettability on waterflood oil recovery.
J Petroleum Sci Eng,2010,71(3/4):169-178
|
被引
11
次
|
|
|
|
|
10.
Al-Raoush R. Representative elementary volume analysis of porous media using X-ray computed tomography.
Powder Technol,2010,200(1/2):69-77
|
被引
7
次
|
|
|
|
|
11.
Oren P E. Fluid distribution and pore-scale displacement mechanisms in drainage dominated three-phase flow.
Transport Porous Media,1995,20(1/2):105-133
|
被引
2
次
|
|
|
|
|
12.
Zhmud B. Dynamics of capillary rise.
J Colloid Interface Sci,2000,228(2):263-269
|
被引
23
次
|
|
|
|
|
13.
Blunt M.
Micro CT Images and Networks of Sand Pack (F42A)
|
被引
1
次
|
|
|
|
|
14.
Hantschel T.
Fundamentals of Basin and Petroleum Systems Modeling,2009
|
被引
20
次
|
|
|
|
|
15.
Idowu N A. Pore-scale modeling of rate effects in waterflooding.
The Proceedingds of International Petroleum Technology Conference,2008
|
被引
1
次
|
|
|
|
|
16.
Lovoll G. Influence of viscous fingering on dynamic saturation-pressure curves in porous media.
Transport Porous Media,2010,86(1):305-324
|
被引
1
次
|
|
|
|
|
17.
Bustos C I. Pore-level modeling of gas and condensate flow in two-and three-dimensional pore networks: Pore size distribution effects on the relative permeability of gas and condensate.
Transport Porous Media,2003,53(3):281-315
|
被引
2
次
|
|
|
|
|
18.
Silin D B. Robust determination of the pore-space morphology in sedimentary rocks.
J Petroleum Technol,2004,56(5):69-70
|
被引
6
次
|
|
|
|
|
19.
Silin D. Pore space morphology analysis using maximal inscribed spheres.
Phys A-Stat Mech Appl,2006,371(2):336-360
|
被引
20
次
|
|
|
|
|
20.
Al-Kharusi A S. Network extraction from sandstone and carbonate pore space images.
J Petroleum Sci Eng,2007,56(4):219-231
|
被引
26
次
|
|
|
|
|
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