Capillary and viscous fracturing during drainage in porous media

Carrillo, Francisco J.; Bourg, Ian C.

doi:10.1103/physreve.103.063106

Cited by 21 publications

(14 citation statements)

References 49 publications

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“…Lately, this model has been extended to multiphase flow (Carrillo & Bourg, 2021a) opening further possibilities to describe natural porous systems. For example, the two-phase Darcy-Brinkman-Biot approach was used to investigate viscous and capillary fracturing during drainage in viscoplastic porous media that occur if viscous and/or capillary stresses are sufficient to overcome the solid's structural forces (Carrillo & Bourg, 2021b).…”

Section: Solid Matrix Deformationmentioning

confidence: 99%

Micro‐Continuum Modeling: An Hybrid‐Scale Approach for Solving Coupled Processes in Porous Media

Soulaine

2024

Water Resources Research

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Micro‐continuum models are versatile and powerful approaches for simulating coupled processes in two‐scale porous systems. Initially oriented for modeling static single‐phase flow in microtomography images with sub‐voxel porosity, the concept has been extended over the years to multi‐phase flow, reactive transport, and poromechanics. This paper introduces an integrated micro‐continuum framework to model coupled processes in porous media. It reviews state‐of‐the‐art models and discusses applications in geosciences including Digital Rock Physics with sub‐voxel porosity, moving fluid‐solid interface at the pore‐scale due to geochemical reactions, fracture‐matrix interactions, and solid deformation. Finally, the paper discusses future developments in micro‐continuum models.

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Section: Solid Matrix Deformationmentioning

confidence: 99%

Micro‐Continuum Modeling: An Hybrid‐Scale Approach for Solving Coupled Processes in Porous Media

Soulaine

2024

Water Resources Research

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“…Then, the ab initio formation of a fluid-driven open mode discontinuity involves the following sequence of events: fluid injection at a point causes radial fluid flow; drag forces push particles away from the injection point, i.e., cavity expansion; tangential extension and the particles' relative displacement result in a surface imperfection that facilitates preferential fluid flow; arising tangential drag forces cause further interparticle separation (Figure 9C). The positive feedback built into this sequence of events leads to the development of open-mode discontinuities, including planar "hydraulic fractures" (Shin and Santamarina, 2010;2011b;Carrillo and Bourg, 2021) as well as tubular pipes (Cartwright and Santamarina, 2015). Note: the term "open-mode discontinuity" is preferred instead of "fracture" in the context of granular materials, i.e., without cohesion; moreover, models that are based on classical fracture mechanics are inadequate for the analysis of open mode discontinuities in granular materials.…”

Section: Single-phase Fluid-miscible Invasionmentioning

confidence: 99%

“…defines two distinct invasion regimes (Figure 9 -Shin and Santamarina, 2011b; see also Holtzman et al, 2012;Carrillo and Bourg, 2021):…”

Section: Multi-phase Fluids-immiscible Invasionmentioning

confidence: 99%

Fluid-Driven Instabilities in Granular Media: From Viscous Fingering and Dissolution Wormholes to Desiccation Cracks and Ice Lenses

Liu

Santamarina

2022

Front. Mech. Eng.

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Single and multi-phase fluids fill the pore space in sediments; phases may include gases (air, CH4, CO2, H2, and NH3), liquids (aqueous solutions or organic compounds), and even ice and hydrates. Fluids can experience instabilities within the pore space or trigger instabilities in the granular skeleton. Then, we divided fluid-driven instabilities in granular media into two categories. Fluid instabilities at constant fabric take place within the pore space without affecting the granular skeleton; these can result from hysteresis in contact angle and interfacial tension (aggravated in particle-laden flow), fluid compressibility, changes in pore geometry along the flow direction, and contrasting viscosity among immiscible fluids. More intricate fluid instabilities with fabric changes take place when fluids affect the granular skeleton, thus the evolving local effective stress field. We considered several cases: 1) open-mode discontinuities driven by drag forces, i.e., hydraulic fracture; 2) grain-displacive invasion of immiscible fluids, such as desiccation cracks, ice and hydrate lenses, gas and oil-driven openings, and capillary collapse; 3) hydro-chemo-mechanically coupled instabilities triggered by mineral dissolution during the injection of reactive fluids, from wormholes to shear band formation; and 4) instabilities associated with particle transport (backward piping erosion), thermal changes (thermo-hydraulic fractures), and changes in electrical interparticle interaction (osmotic-hydraulic fractures and contractive openings). In all cases, we seek to identify the pore and particle-scale positive feedback mechanisms that amplify initial perturbations and to identify the governing dimensionless ratios that define the stable and unstable domains. A [N/m] Contact line adhesion

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“…Lastly, we examine the effects of compaction on said dimensional numbers and the system's propensity to fracture. This chapter is adapted from Carrillo & Bourg (2021a).…”

Section: Drainage In Porous Mediamentioning

confidence: 99%

Modeling Multiphase Flow Within and Around Deformable Porous Materials: A Darcy-Brinkman-Biot Approach

Carrillo

Bourg

2020

Preprint

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Capillary and viscous fracturing during drainage in porous media

Cited by 21 publications

References 49 publications

Micro‐Continuum Modeling: An Hybrid‐Scale Approach for Solving Coupled Processes in Porous Media

Micro‐Continuum Modeling: An Hybrid‐Scale Approach for Solving Coupled Processes in Porous Media

Fluid-Driven Instabilities in Granular Media: From Viscous Fingering and Dissolution Wormholes to Desiccation Cracks and Ice Lenses

Modeling Multiphase Flow Within and Around Deformable Porous Materials: A Darcy-Brinkman-Biot Approach

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