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Université de Neuchâtel

Modeling heat and fluid flow in discrete fracture networks : application to fluid-driven seismicity and engineered geothermal systems

Jansen, Gunnar ; Miller, Stephen A. (Dir.) ; Valley, Benoît (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2018.

Understanding the dynamics of naturally fractured systems and fractured reservoirs in terms of flow, heat transport and fracture stability (e.g. earthquakes) is important for a range of applications including geothermal systems, waste water injection and natural fluid-driven seismicity. Many numerical codes exist that can simulate aspects of these dynamics, but in general require either expensive...

Université de Fribourg

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

Erol, Selçuk ; Fowler, Sarah Jane ; Nehler, Mathias ; De Boever, Eva ; Harcouët-Menou, Virginie ; Laenen, Ben

In: Transport in Porous Media, 2019, vol. 129, no. 1, p. 343–383

Accurate prediction of permeability evolution is essential for forecasting the long-term performance and lifetime of hydrothermal reservoirs, an important goal in the geothermal, ore, and petroleum industries. Erol et al. (Transp Porous Media 120(2):327–358, 2017. introduced a general (non-empirical) analytical Kozeny–Carman type equation for...

Consortium of Swiss Academic Libraries

Tolerating permanent and transient value faults

Milosevic, Zarko ; Hutle, Martin ; Schiper, André

In: Distributed Computing, 2014, vol. 27, no. 1, p. 55-77

Université de Neuchâtel

On the use of multiple-point statistics to improve groundwater flow modeling in karst aquifers : A case study from the Hydrogeological Experimental Site of Poitiers, France

Le Coz, M ; Bodin, J ; Renard, Philippe

In: Journal of Hydrology, 2017, vol. 545, p. 109-119

Limestone aquifers often exhibit complex groundwater flow behaviors resulting from depositional heterogeneities and post-lithification fracturing and karstification. In this study, multiple-point statistics (MPS) was applied to reproduce karst features and to improve groundwater flow modeling. For this purpose, MPS realizations were used in a numerical flow model to simulate the responses to...