Impact of Anisotropy and Electromagnetic Modified Effect on Fluid Mobility in Reservoir Sandstone

Q4 Physics and Astronomy

Defect and Diffusion Forum Pub Date : 2023-12-12 DOI:10.4028/p-WMZWk3

Hojjatollah Soleimani, Surajudden Sikiru, Hassan Soleimani, Leila Khodapanah, M. Sabet

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引用次数: 0

Abstract

The oil and gas sector faces challenges in optimizing oil recovery from reservoirs due to trapped oil due to interfacial tension and surface forces. Characterizing anisotropic dielectric properties is crucial. The petroleum business is quickly changing, and a massive advancement in the application of nanotechnology in this field is envisaged. Because magnetic nanoparticles (MNP) are solid, tiny, and adsorb at the oil-water interface, they might be helpful. The interaction of MNP with electromagnetic waves appears to be capable of altering interfacial tension, which will boost oil recovery. The interaction of an oscillating B-field of electromagnetic waves with magnetic domains causes energy dissipation due to a shift in magnetic anisotropy from the easy axis of magnetization. The use of anisotropy energy in mobilizing oil in a porous media has recently been investigated. BaTiO3 nanoparticles (NPs) were synthesized for this purpose, and their influence on oil mobility under electromagnetic waves (EM) was studied. The anisotropy energy was computed and determined to be 7.34kJ/mol. Under EM, the easy axis magnetization of BaTiO3 nanoparticles oscillates and changes direction continually, facilitating oil mobilization in the porous media. The EM findings for reducing interfacial tension (IFT) between oil and water ranged from 4.5mN/m to 0.89mN/m. Under EM, it was discovered that BaTiO3 nanoparticles might lower IFT by roughly 60%. The IFT must be small enough to allow oil flow during mobilization. The simulation findings demonstrate that the adsorption energy of n-hexane on the surface of hematite has a 47.9% lower energy value than water. With a 115.4% percentage difference, the stress autocorrelation function of n-hexane with hematite is greater than that of water.

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各向异性和电磁改性效应对储层砂岩中流体流动性的影响

由于界面张力和表面力导致的石油滞留，石油和天然气行业在优化油藏采油方面面临挑战。表征各向异性介电性能至关重要。石油行业正在迅速发生变化，纳米技术在这一领域的应用有望取得巨大进步。由于磁性纳米粒子（MNP）是固体，非常微小，而且能吸附在油水界面上，因此可能会有所帮助。磁性纳米粒子与电磁波的相互作用似乎能够改变界面张力，从而提高石油采收率。电磁波振荡 B 场与磁畴的相互作用会导致磁各向异性偏离易磁化轴，从而造成能量耗散。最近有人研究了利用各向异性能量在多孔介质中调动石油的问题。为此合成了 BaTiO3 纳米粒子（NPs），并研究了它们在电磁波（EM）作用下对石油流动性的影响。计算并确定各向异性能为 7.34kJ/mol。在电磁波作用下，BaTiO3 纳米粒子的易轴磁化振荡并不断改变方向，从而促进了石油在多孔介质中的流动。EM 在降低油水界面张力 (IFT) 方面的发现介于 4.5mN/m 和 0.89mN/m 之间。在电磁作用下，发现 BaTiO3 纳米粒子可将 IFT 降低约 60%。IFT 必须小到足以让油在流动过程中流动。模拟结果表明，正己烷在赤铁矿表面的吸附能比水低 47.9%。正己烷与赤铁矿的应力自相关函数相差 115.4%，大于水的应力自相关函数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Defect and Diffusion Forum Physics and Astronomy-Radiation

CiteScore

1.20

自引率

0.00%

发文量

127

期刊介绍： Defect and Diffusion Forum (formerly Part A of ''''Diffusion and Defect Data'''') is designed for publication of up-to-date scientific research and applied aspects in the area of formation and dissemination of defects in solid materials, including the phenomena of diffusion. In addition to the traditional topic of mass diffusion, the journal is open to papers from the area of heat transfer in solids, liquids and gases, materials and substances. All papers are peer-reviewed and edited. Members of Editorial Boards and Associate Editors are invited to submit papers for publication in “Defect and Diffusion Forum” . Authors retain the right to publish an extended and significantly updated version in another periodical.