Reactive transport under stress: Permeability evolution in deformable porous media

Roded R.; Paredes X.; Holtzman R.

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Reactive transport under stress: Permeability evolution in deformable porous media

机译：压力下的反应运输：可变形多孔介质中的渗透性进化

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We study reactive transport in a stressed porous media, where dissolution of the solid matrix causes two simultaneous, competing effects: pore enlargement due to chemical deformation, and pore compaction due to mechanical weakening. We use a novel, mechanistic pore-scale model to simulate flooding of a sample under fixed confining stress. Our simulations show that increasing the stress inhibits the permeability enhancement, increasing the injected volume required to reach a certain permeability, in agreement with recent experiments. We explain this behavior by stress concentration downstream, in the less dissolved (hence stiffer) outlet region. As this region is also less conductive, even its small compaction has a strong bottleneck effect that curbs the permeability.

机译：我们研究强调多孔介质中的反应性，其中固体基质的溶解导致两种同时，竞争效应：由于化学变形引起的孔扩大，并且由于机械弱化而导致的孔压缩。我们使用新型机械孔径模型来模拟固定限制应力下样品的洪水。我们的模拟表明，增加应力抑制渗透性增强，同时达到最近的实验，增加了达到一定渗透性所需的注射体积。我们通过下游的应力集中解释这种行为，在较少的溶解（因此使）出口区域。由于该区域的导电性较少，即使它的小压实也具有强大的瓶颈效应，使渗透率抑制。

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《Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System》 |2018年第2018期|共10页
作者
Roded R.; Paredes X.; Holtzman R.;
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作者单位

Hebrew Univ Jerusalem IL-7610001 Rehovot Israel;

Hebrew Univ Jerusalem IL-7610001 Rehovot Israel;

Hebrew Univ Jerusalem IL-7610001 Rehovot Israel;

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原文格式 PDF
正文语种 eng
中图分类天文学、地球科学;行星、卫星、彗星、流星、陨星;
关键词
hydro-chemo-mechanical coupling; mineral dissolution; pore-scale simulations; wormholing; mechanical compaction; permeability evolution;

机译：水化疗 - 机械耦合;矿物溶解;孔径模拟;虫胶;机械压实;渗透性进化;

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1. Reactive transport under stress: Permeability evolution in deformable porous media [J] . Roded R., Paredes X., Holtzman R. Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System . 2018,第期

机译：压力下的反应运输：可变形多孔介质中的渗透性进化
2. Numerical modelling of double diffusion driven reactive flow transport in deformable fluid-saturated porous media with particular consideration of temperature-dependent chemical reaction rates [J] . chongbin zhao, b.E.Hobbs, H.B.Muhihaus Engineering Computations . 2000,第4期

机译：特别考虑温度相关化学反应速率的可变形流体饱和多孔介质中双扩散驱动反应流传输的数值模型
3. An Analytical Algorithm of Porosity-Permeability for Porous and Fractured Media: Extension to Reactive Transport Conditions and Fitting via Flow-Through Experiments Within Limestone and Dolomite [J] . Erol Selcuk, Fowler Sarah Jane, Nehler Mathias, Transport in Porous Media . 2019,第1期

机译：多孔裂缝介质渗透性分析算法：延伸反应转运条件，通过石灰石和白云岩内的流动实验拟合
4. Multiblock methods for coupled flow-transport and compositional ?ow through porous media - Applications to the simulation of transport of reactive species and carbon sequestration [C] . S. G. Thomas, M. F. Wheeler, U. T. Austin Society of Petroleum Engineers Reservoir Simulation Sympoium . 2011

机译：通过多孔介质耦合流动和组成的多帧方法 - 通过多孔介质 - 用于模拟反应性物种和碳封存的仿真
5. Development of finite element models for thermal multiphase flow in deformable porous media with anisotropic full permeability tensor . [D] . Du, Jiancheng. 2006

机译：各向异性全渗透张量在变形多孔介质中热多相流动有限元模型的建立。
6. Solute Transport Across a Contact Interface in Deformable Porous Media [O] . Gerard A. Ateshian, Steve Maas, Jeffrey A. Weiss -1

机译：通过可变形多孔介质的接触界面溶质运输
7. Fluid structure interaction problems in deformable porous media: Toward permeability of deformable porous media [O] . Iliev O., Mikelic A., Popov P. 2004

机译：变形多孔介质中的流体结构相互作用问题：变形多孔介质的渗透性
8. Modeling Reactive Transport in Deformable Porous Media Using the Theory of Interacting Continua. [R] . Turner, D. Z. 2012

机译：用交互连续理论模拟可变形多孔介质中的反应输运。

Reactive transport under stress: Permeability evolution in deformable porous media

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