Pore-Scale Modeling of CO2 Injection Using Density Functional Hydrodynamics

IF 2.7 3区 工程技术 Q3 ENGINEERING, CHEMICAL Transport in Porous Media Pub Date : 2024-02-27 DOI:10.1007/s11242-024-02064-1
Oleg Dinariev, Nikolay Evseev, Alexander Sidorenkov, Leonid Dovgilovich, Mikhail Stukan, Maxim Fedorov
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Abstract

The pore-scale numerical modeling of CO2 injection into natural rock saturated with oil–water mixture was performed using the density functional hydrodynamics approach. The detailed 3D digital model of the sandstone core sample contained over 7 billion cells, which allowed us to perform analysis of oil displacement efficiency at different scales. Utilization of large-size detailed numerical models make it possible to characterize, both qualitatively and quantitatively, the processes at pore scale to the level of detail not achievable on smaller models. The obtained results indicate large-scale effects even on relatively heterogeneous core indicating possible need for multiscale hierarchical models even in heterogeneous cases. This fact imposes the demand for scalability performance on both the software and hardware used in such simulations, as well as the need for adequate modeling upscaling methods.

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利用密度函数流体力学建立二氧化碳注入的孔隙尺度模型
利用密度泛函流体力学方法,对二氧化碳注入饱和油水混合物的天然岩石进行了孔隙尺度数值建模。砂岩岩芯样本的详细三维数字模型包含超过 70 亿个单元,这使我们能够在不同尺度上对石油置换效率进行分析。利用大尺寸的详细数值模型,可以定性和定量地描述孔隙尺度的过程,其详细程度是较小模型无法达到的。所获得的结果表明,即使在相对异质的岩芯上也会产生大规模效应,这表明即使在异质情况下也可能需要多尺度分层模型。这就要求在此类模拟中使用的软件和硬件都具有可扩展性能,并需要适当的建模升级方法。
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来源期刊
Transport in Porous Media
Transport in Porous Media 工程技术-工程:化工
CiteScore
5.30
自引率
7.40%
发文量
155
审稿时长
4.2 months
期刊介绍: -Publishes original research on physical, chemical, and biological aspects of transport in porous media- Papers on porous media research may originate in various areas of physics, chemistry, biology, natural or materials science, and engineering (chemical, civil, agricultural, petroleum, environmental, electrical, and mechanical engineering)- Emphasizes theory, (numerical) modelling, laboratory work, and non-routine applications- Publishes work of a fundamental nature, of interest to a wide readership, that provides novel insight into porous media processes- Expanded in 2007 from 12 to 15 issues per year. Transport in Porous Media publishes original research on physical and chemical aspects of transport phenomena in rigid and deformable porous media. These phenomena, occurring in single and multiphase flow in porous domains, can be governed by extensive quantities such as mass of a fluid phase, mass of component of a phase, momentum, or energy. Moreover, porous medium deformations can be induced by the transport phenomena, by chemical and electro-chemical activities such as swelling, or by external loading through forces and displacements. These porous media phenomena may be studied by researchers from various areas of physics, chemistry, biology, natural or materials science, and engineering (chemical, civil, agricultural, petroleum, environmental, electrical, and mechanical engineering).
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