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Pore-scale Transport in Rocks of Different Complexity Modeled by Random Walk Methods
We investigate pore-scale transport of a passive solute in three types of reservoir rocks of distinctly different heterogeneity characteristics,...
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Pore-Scale Numerical Investigation of Evolving Porosity and Permeability Driven by Biofilm Growth
Microorganisms in natural porous media can form biofilms that alter the pore structure and medium permeability. This affects fluid flow and solute...
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Pore-scale study on the characteristic hydraulic conductivity of a dispersive lean clay affected by salinity and freeze–thaw
Research into the permeability of dispersive soils featuring high erodibility remains rather limited, especially from a pore-scale perspective. This...
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Integrating Pore-Scale Flow MRI and X-ray μCT for Validation of Numerical Flow Simulations in Porous Sedimentary Rocks
Single-phase fluid flow velocity maps in Ketton and Estaillades carbonate rock core plugs are computed at a pore scale, using the lattice Boltzmann...
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Pore-Scale Modeling of Electrokinetics in Geomaterials
Pore-scale finite-volume continuum models of electrokinetic processes are used to predict the Debye lengths, velocity, and potential profiles for...
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Analysis of the length scale characterized by the yield stress fluids porosimetry method for consolidated media: comparison with pore network models and mercury intrusion porosimetry
Substantial progress has been recently achieved in the development of a clean alternative to mercury intrusion porosimetry (MIP) based on...
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Towards Large-Scale DRP Simulations: Generation of Large Super-Resolution images and Extraction of Large Pore Network Models
AbstractRepresentativity and accuracy of digital rock physics (DRP) simulations depend strongly on the size of the image volume and the resolution...
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A Closer Look: High-Resolution Pore-Scale Simulations of Solute Transport and Mixing Through Porous Media Columns
Mixing is pivotal to conservative and reactive transport behaviors in porous media. Methods for investigating mixing processes include mathematical...
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Pore-Scale Imaging and Modelling of Reactive Flow in Evolving Porous Media: Tracking the Dynamics of the Fluid–Rock Interface
Fluid–mineral and fluid–rock interfaces are key parameters controlling the reactivity and fate of fluids in reservoir rocks and aquifers. The...
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Construction of pore network model based on computational geometry
The digital core and pore network model (PNM) are the basis of studying porous media. At present, the voxel-based maximal ball (MB) method has been...
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Critical REV Size of Multiphase Flow in Porous Media for Upscaling by Pore-Scale Modeling
AbstractDigital rock analysis provides us a powerful tool for predicting geophysical properties and studying fluid and interfacial transport...
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Pore-Scale Study to Analyze the Impacts of Porous Media Heterogeneity on Mineral Dissolution and Acid Transport Using Darcy–Brinkmann–Stokes Method
Inherent pore structure of rocks has a significant impact on the acid–rock interaction during the acidizing process. In this study, a new pore-scale...
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A Hybrid-Dimensional Coupled Pore-Network/Free-Flow Model Including Pore-Scale Slip and Its Application to a Micromodel Experiment
Modeling coupled systems of free flow adjacent to a porous medium by means of fully resolved Navier–Stokes equations is limited by the immense...
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Microscale THMC Modeling of Pressure Solution in Salt Rock: Impacts of Geometry and Temperature
Pressure solution, a mechanism that involves tight coupling between the geometry and thermal-hydro-mechanical-chemical (THMC) processes, plays an...
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Pore-Scale Water Vapor Condensation Behaviors in Shales: An Experimental Study
Water condensation in shales impacts its hydro-mechanical response. A mechanistic understanding of the pore-water system is made more challenging by...
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3D Pore Geometry and Electrical Conductivity
The electrical transport of saturated porous rocks has been studied in 3-dimensions for five different channel geometries. The five selected...
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Direct Numerical Simulation of Pore-Scale Trap** Events During Capillary-Dominated Two-Phase Flow in Porous Media
This study focuses on direct numerical simulation of imbibition, displacement of the non-wetting phase by the wetting phase, through water-wet...
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Quantitative evaluation of pore-scale heterogeneity based on statistical analysis of a pore network model of unconsolidated porous media
Heterogeneity is a common feature of aquifers and plays an important role in the efficiency of remediation of groundwater contamination. Pore-scale...
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Slope geometry optimization considering groundwater drawdown scenarios at an open-pit phosphate mine, southeastern Brazil
The design of open-pit mines should balance safety and economy. However, safe geotechnical conditions generally involve redesigning the geometry of...
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Pore size distribution of high volatile bituminous coal of the southern Junggar Basin: a full-scale characterization applying multiple methods
Studying on the pore size distribution of coal is vital for determining reasonable coalbed methane development strategies. The coalbed methane...