Publications by Mahmoud Hefny

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Found 21 itemsFilters: Smart Matching, Author: Hefny

Refereed Journals

11 publications

2026

1 publication across 1 journal

The role of deep closed-loop advanced geothermal systems in the future net-zero Swiss power system

Van Liedekerke, A., Hefny, M., Gjorgiev, B., Garrison, J., Savelsberg, J., Saar, M. O., and Sansavini, G.

2026Journal Article Peer-ReviewedApplied Energy 415, pp. 127761–127761(Paper accepted: 2026-03-22)

DOI: 10.1016/j.apenergy.2026.127761

2024

2 publications across 2 journals

Investigation of the Filling of a Spherical Pore Body with a Nonwetting Fluid: A Modeling Approach and Computational Fluid Dynamics analysis

Salama, A., Kou, J., Sun, S., and Hefny, M.

2024Journal Article Peer-ReviewedTransport in Porous Media 151, pp. 2301–2325

DOI: 10.1007/s11242-024-02114-8

Thermal Energy Storage and Recovery in Fractured Granite Reservoirs: Numerical Modeling and Efficiency Analysis

Doonechaly, N. G., Halter, T., Shakas, A., Hefny, M., Brehme, M., Hertrich, M., and Giardini, D.

2024Journal Article Peer-ReviewedGeosciences 14, pp. 357–357

DOI: 10.3390/geosciences14120357

2022

2 publications across 2 journals

Numerical studies of spontaneous imbibition in porous media: Model development and pore-scale perspectives

Qin, C.-Z., Wang, X., Zhang, H., Hefny, M., Jiang, H., Tian, J., and Deng, W.

2022Journal Article Peer-ReviewedJournal of Petroleum Science and Engineering 218, pp. 110961–110961

DOI: 10.1016/j.petrol.2022.110961

Wetting Dynamics of Spontaneous Imbibition in Porous Media: From Pore Scale to Darcy Scale

Qin, C.-Z., Wang, X., Hefny, M., Zhao, J., Chen, S., and Guo, B.

2022Journal Article Peer-ReviewedGeophysical Research Letters 49

DOI: 10.1029/2021gl097269

2021

4 publications across 4 journals

Hydrogen production, storage, utilisation and environmental impacts: a review

Osman, A. I., Mehta, N., Elgarahy, A. M., Hefny, M., Al-Hinai, A., Al-Muhtaseb, A. H., and Rooney, D. W.

2021Journal Article Peer-ReviewedEnvironmental Chemistry Letters 20, pp. 153–188

DOI: 10.1007/s10311-021-01322-8

Image-based modeling of spontaneous imbibition in porous media by a dynamic pore network model

Qin, C.-Z., Brummelen, H. V., Hefny, M., and Zhao, J.

2021Journal Article Peer-ReviewedAdvances in Water Resources 152, pp. 103932–103932

DOI: 10.1016/j.advwatres.2021.103932

Optimizing fluid(s) circulation in a CO2-based geothermal system for cost-effective electricity generation

Hefny, M., Setiawan, M. B., Hammed, M., Qin, C.-Z., Ebigbo, A., and Saar, M. O.

2021Journal Article Peer-Reviewed

URLDOI: 10.3929/ethz-b-000584323

Recent advances in carbon capture storage and utilisation technologies: a review

Osman, A. I., Hefny, M., Abdel Maksoud, M. I. A., Elgarahy, A. M., and Rooney, D. W.

2021Journal Article Peer-ReviewedEnvironmental Chemistry Letters 19, pp. 797–849

DOI: 10.1007/s10311-020-01133-3

2020

2 publications across 2 journals

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 area

Hefny, M., Zappone, A., Makhloufi, Y., De Haller, A., and Moscariello, A.

2020Journal Article Peer-ReviewedSwiss Journal of Geosciences 113

DOI: 10.1186/s00015-020-00364-4

Synchrotron-based pore-network modeling of two-phase flow in Nubian Sandstone and implications for capillary trapping of carbon dioxide

Hefny, M., Qin, C.-Z., Saar, M. O., and Ebigbo, A.

2020Journal Article Peer-ReviewedInternational Journal of Greenhouse Gas Control 103, pp. 103164–103164

DOI: 10.1016/j.ijggc.2020.103164

Proceedings Refereed

2 publications

2020

1 publication

Reservoir characterization of the Nubian Sandstone for geothermal applications: petrophysical evaluation in the central Gulf of Suez (Egypt)

Hefny, M., Hammed, M., Ebigbo, A., and Saar, M. O.

2020Presentation Peer-ReviewedTalk (Contributed) at World Geothermal Congress

2019

1 publication

CO2-Brine flow in Nubian Sandstone (Egypt): Pore Network Modeling using Computerized Tomography Imaging

Hefny, M., Qin, C.-Z., Ebigbo, A., Gostick, J., Saar, M. O., and Hammed, M.

2019Presentation Peer-ReviewedETH Zurich

URLDOI: 10.3929/ETHZ-B-000445810

Proceedings Non-Refereed

1 publication

2019

1 publication

CO2-Brine flow in Nubian Sandstone, Egypt: A Pore-Network Modeling using Computerized Tomography Imaging

Hefny, M., Qin, C.-Z., Ebigbo, A., Gostick, J., Saar, M. O., and Hammed, M.

2019PresentationTalk (Contributed) at Unknown

Theses

1 publication

2020

1 publication across 1 thesis

Rock Physics and Heterogeneities Characterization Controlling Fluid flow in Reservoir Rocks

Hefny, M.

2020PhD Thesis Peer-ReviewedPhD Thesis, ETH Zurich

URLDOI: 10.3929/ETHZ-B-000445518

Other

6 publications

2022

2 publications

Optimizing CO2 circulation into geothermal fields for electrical power generation - Insight from wellbore-reservoir coupling

Hefny, M., Qin, C.-Z., and Saar, M. O.

2022Other

Reservoir monitoring approach for the underground gases storage

Hefny, M.

2022Other

2019

2 publications

Extending core analysis down to the pore scale to better understand reservoir behavior: Computerized Tomography study

Hefny, M.

2019Other

Quantitative Predictions of Two-Phase Flow Dynamics in Porous Media by the Pore-Network Modeling

Qin, C.-Z., Hefny, M., and Van Brummelen, E. H.

2019Other

2018

2 publications

A laboratory approach for the seismic data interpretation: The borehole Humilly-2 (France)

Hefny, M., Zappone, A., Madonna, C., Moscariello, A., and Burg, J.-P.

2018Other

Petrophysical characterization of Nubian Sandstone reservoirs and their potential for geothermal applications; central Gulf of Suez, Egypt

Hefny, M., Hammed, M., Ebigbo, A., and Saar, M. O.

2018Other

Dr. Mahmoud Hefny

Scientific ID

Publications by Mahmoud Hefny

Refereed Journals

2026

2024

2022

2021

2020

Proceedings Refereed

2020

2019

Proceedings Non-Refereed

2019

Theses

2020

Other

2022

2019

2018

Refereed Journals

2026

2024

2022

2021

2020

Proceedings Refereed

2020

2019

Proceedings Non-Refereed

2019

Theses

2020

Other

2022

2019

2018