[HTML][HTML] Numerical modeling of hydraulic stimulation of fractured crystalline rock at the bedretto underground laboratory for geosciences and geoenergies

I Vaezi, A Alcolea, P Meier, F Parisio, J Carrera… - International Journal of …, 2024 - Elsevier
Abstract Hydraulic stimulation of Enhanced Geothermal Systems (EGS) aims at boosting
permeability to facilitate fluid circulation, while keeping a low induced seismicity. However …

No‐Flow Fraction (NFF) permeability model for rough fractures under normal stress

H Javanmard, A Ebigbo, SDC Walsh… - Water Resources …, 2021 - Wiley Online Library
Flow through rock fractures is frequently represented using models that correct the cubic law
to account for the effects of roughness and contact area. However, the scope of such models …

[HTML][HTML] A multi-phasic approach for estimating the Biot coefficient for Grimsel granite

P Selvadurai, PA Selvadurai, M Nejati - Solid Earth, 2019 - se.copernicus.org
This paper presents an alternative approach for estimating the Biot coefficient for the Grimsel
granite, which appeals to the multi-phasic mineralogical composition of the rock. The …

Variations in elastic and electrical properties of crustal rocks with varying degree of microfracturation

L Pimienta, LF Orellana, M Violay - Journal of Geophysical …, 2019 - Wiley Online Library
This work aims at investigating the effect of varying degrees of microfracturing on the joint
elastic and electrical transport properties of rocks. Different crustal rocks were subjected to …

[HTML][HTML] Evidence for the heterogeneity of the pore structure of rocks from comparing the results of various techniques for measuring hydraulic properties

LL Schepp, J Renner - Transport in Porous Media, 2021 - Springer
We applied three oscillatory methods, the previously presented axial pore-pressure and
pore-flow methods, and the laboratory application of the radial oscillatory pore-flow method …

Investigation of pore structure evolution and damage characteristics of high temperature rocks subjected to liquid nitrogen cooling shock

C Du, J Bi, Y Zhao, C Wang… - International Journal of …, 2024 - journals.sagepub.com
Liquid nitrogen (LN2) can be utilized in the development of enhanced geothermal systems,
as well as for deep/ultra-deep hydrocarbon reservoir stimulation, fire suppression, and other …

[HTML][HTML] Interlaboratory comparison of testing hydraulic, elastic, and failure properties in compression: lessons learned

Y Cheng, D Lockner, M Duda, C Morrow… - Environmental Earth …, 2023 - Springer
Many geoscientific problems require us to exploit synergies of experimental and numerical
approaches, which in turn lead to questions regarding the significance of experimental …

[HTML][HTML] Estimates for the effective permeability of intact granite obtained from the eastern and western flanks of the Canadian Shield

APS Selvadurai, A Blain-Coallier, PA Selvadurai - Minerals, 2020 - mdpi.com
Granitic rock from the western part of the Canadian Shield is considered as a potential host
rock for the siting of a deep geological repository for the storage of heat-emitting high-level …

[HTML][HTML] Theoretical Developments for the Interpretation of Cavity Flow Permeability Tests Conducted on Intact Lac du Bonnet Granite

APS Selvadurai - Geosciences, 2023 - mdpi.com
The permeability of intact geologic media features prominently in many geo-environmental
endeavours. The laboratory estimation of permeability is an important adjunct to the field …

Water availability and deformation processes in smectite‐rich gouges during seismic slip

S Aretusini, E Spagnuolo, MC Dalconi… - Journal of …, 2019 - Wiley Online Library
Smectite clays occur in subduction zone fault cores at shallow depth (approximately 1 km;
eg, Japan Trench) and landslide décollements (eg, Vajont, Italy, 1963). The availability of …