The role of deep closed-loop advanced geothermal systems in the future net-zero Swiss power systemMahmoud Hefny, Martin O. Saar2026 Peer-ReviewedDOI: 10.1016/j.apenergy.2026.127761[Cite]View Abstract
Investigation of the Filling of a Spherical Pore Body with a Nonwetting Fluid: A Modeling Approach and Computational Fluid Dynamics analysisA. Salama, J. Kou, S. Sun, M. Hefny2024 Peer-ReviewedTransport in Porous Media 151, 2301-2325 URLDOI: 10.1007/s11242-024-02114-8[Cite]View Abstract
Thermal Energy Storage and Recovery in Fractured Granite Reservoirs: Numerical Modeling and Efficiency AnalysisN. Gholizadeh Doonechaly, T. Halter, A. Shakas, M. Hefny, M. Brehme, M. Hertrich, D. Giardini2024 Peer-ReviewedGeosciences 14 URLDOI: 10.3390/geosciences14120357[Cite]View Abstract
Numerical studies of spontaneous imbibition in porous media: Model development and pore-scale perspectivesC. Qin, X. Wang, H. Zhang, M. Hefny, H. Jiang, J. Tian, W. Deng2022 Peer-ReviewedJournal of Petroleum Science and Engineering 218 URLDOI: https://doi.org/10.1016/j.petrol.2022.110961[Cite]View Abstract
Wetting Dynamics of Spontaneous Imbibition in Porous Media: From Pore Scale to Darcy ScaleC. Qin, X. Wang, M. Hefny, J. Zhao, S. Chen, B. Guo2022 Peer-ReviewedGeophysical Research Letters 49 URLDOI: 10.1029/2021gl097269[Cite]View Abstract
Optimizing CO2 circulation into geothermal fields for electrical power generation - Insight from wellbore-reservoir couplingHefny, M., Qin, C.-Z., Saar, M.O.2022Unknown Source[Cite]View Abstract
Reservoir monitoring approach for the underground gases storageHefny, M.2022Unknown Source[Cite]View Abstract
Hydrogen production, storage, utilisation and environmental impacts: a reviewA. Osman, N. Mehta, A. Elgarahy, M. Hefny, A. Al-Hinai, A. Al-Muhtaseb, D. Rooney2021 Peer-ReviewedEnvironmental Chemistry Letters 20, 153-188 URLDOI: 10.1007/s10311-021-01322-8[Cite]View Abstract
Image-based modeling of spontaneous imbibition in porous media by a dynamic pore network modelC. Qin, H. van Brummelen, M. Hefny, J. Zhao2021 Peer-ReviewedAdvances in Water Resources 152 URLDOI: 10.1016/j.advwatres.2021.103932[Cite]View Abstract
Feasibility of CO2-Plume Geothermal (CPG) power generation in a hydrocarbon-depleted Nubian Sandstone reservoir in EgyptHefny, M., Ebigbo, A., Adams, B., Hammed, M., Hassan, Z., Saar, M. O.2021Renewable Energy[Cite]View Abstract
Synchrotron-based pore-network modeling of two-phase flow in Nubian Sandstone and implications for capillary trapping of carbon dioxideM. Hefny, C. Qin, M. Saar, A. Ebigbo2020 Peer-ReviewedInternational Journal of Greenhouse Gas Control 103 URLDOI: 10.1016/j.ijggc.2020.103164[Cite]View Abstract
A laboratory approach for the calibration of seismic data in the western part of the Swiss Molasse Basin: the case history of well Humilly-2 (France) in the Geneva areaM. Hefny, A. Zappone, Y. Makhloufi, A. de Haller, A. Moscariello2020 Peer-ReviewedSwiss Journal of Geosciences 113 URLDOI: 10.1186/s00015-020-00364-4[Cite]View Abstract
Reservoir characterization of the Nubian Sandstone for geothermal applications: petrophysical evaluation in the central Gulf of Suez (Egypt)Hefny, M., Hammed, M., Ebigbo, A., Saar, M. O.2020World Geothermal Congress [Cite]View Abstract
Nanoscale simulation of two fluid phases in a low-enthalpy geothermal system using synchrotron-based CT dataset: the case of the Nubian Sandstone (Egypt)Hefny, M.2019Unknown Source[Cite]View Abstract
