From fluid flow to coupled processes in fractured rock: Recent advances and new frontiers

HS Viswanathan, J Ajo‐Franklin… - Reviews of …, 2022 - Wiley Online Library
Quantitative predictions of natural and induced phenomena in fractured rock is one of the
great challenges in the Earth and Energy Sciences with far‐reaching economic and …

A critical review of the physicochemical impacts of water chemistry on shale in hydraulic fracturing systems

HJ Khan, E Spielman-Sun, AD Jew… - … science & technology, 2021 - ACS Publications
Hydraulic fracturing of unconventional hydrocarbon resources involves the sequential
injection of a high-pressure, particle-laden fluid with varying pH's to make commercial …

A fast numerical method and optimization of 3D discrete fracture network considering fracture aperture heterogeneity

K Xue, Z Zhang, C Zhong, Y Jiang, X Geng - Advances in Water Resources, 2022 - Elsevier
A novel numerical method was developed to evaluate the effect of the aperture
heterogeneity of individual fractures on fluid flow through three-dimensional discrete fracture …

Flow channeling in fracture networks: characterizing the effect of density on preferential flow path formation

JD Hyman - Water Resources Research, 2020 - Wiley Online Library
Flow channelization is a commonly observed phenomenon in fractured subsurface media
where the flow of fluids is restricted primarily to highly transmissive fracture networks …

Modeling of solute transport in a fracture-matrix system with a three-dimensional discrete fracture network

Y Hu, W Xu, L Zhan, L Zou, Y Chen - Journal of Hydrology, 2022 - Elsevier
Understanding the fluid flow and solute transport mechanisms in fractured rocks is essential
for many geoengineering applications. In this study, the fluid flow and solute transport in a …

Scale‐bridging in three‐dimensional fracture networks: Characterizing the effects of variable fracture apertures on network‐scale flow channelization

JD Hyman, MR Sweeney, LP Frash… - Geophysical …, 2021 - Wiley Online Library
We incorporate observations of real fracture aperture variability observed in laboratory
experiments into an ensemble of three‐dimensional discrete fracture network (DFN) …

[HTML][HTML] Parameterization of a channel network model for groundwater flow in crystalline rock using geological and hydraulic test data

L Zou, JO Selroos, A Poteri, V Cvetkovic - Engineering Geology, 2023 - Elsevier
Groundwater flow in sparsely fractured crystalline rocks is highly channelized due to the
existing complex hydrogeological heterogeneity in fracture networks. The impacts of …

Anomalous transport in three‐dimensional discrete fracture networks: Interplay between aperture heterogeneity and injection modes

PK Kang, JD Hyman, WS Han… - Water Resources …, 2020 - Wiley Online Library
We study how the interplay between fracture aperture heterogeneity and tracer injection
mode controls fluid flow and tracer transport in three‐dimensional (3D) discrete fracture …

Effects of Dead‐End Fractures on Non‐Fickian Transport in Three‐Dimensional Discrete Fracture Networks

S Yoon, JD Hyman, WS Han… - Journal of Geophysical …, 2023 - Wiley Online Library
Understanding mechanistic causes of non‐Fickian transport in fractured media is important
for many hydrogeologic processes and subsurface applications. This study elucidates the …

Channeling flow and anomalous transport due to the complex void structure of rock fractures

Z Wang, C Zhou, F Wang, C Li, H Xie - Journal of Hydrology, 2021 - Elsevier
We report on flow channeling and anomalous transport behaviors in a granite tensile
fracture subject to increasing surface contacts. In this study, numerical experiments are …