38. S. Zougheib, M. Hoecherl, H. AlQahtani, P.M. Mai, H. Hoteit, V. Vahrenkamp, J. Ezekiel, and T. Finkbeiner, Towards SDG 13: Turning CO2 From a Problem to a Solution Using the Earth’s Natural Heat, Frontiers for Young Minds 13:1591967, 2025. https://doi.org/10.3389/frym.2025.1591967
37. C.C. Ikechukwu, A.I. Opara, and S.O. Onyekuru, A Review of Various Analytical Techniques for Estimating Subsurface Heat Flow Regimes from Aero‑Geophysical Data, Arabian Journal of Geosciences 18, 2025. https://doi.org/10.1007/s12517-025-12267-5
36. S.O. Akidi, B. O. Ubechu, Y.E. Obioha, C.C. Ikechukwu, and C.C. Amadi, Geoelectrical Resistivity Mapping for Sustainable Groundwater Management in Umuahia South: Insights from Vertical Electrical Sounding, International Journal of Science and Research Archive13(1), 2024. https://doi.org/10.30574/ijsra.2024.13.1.1922
35. B. Ubechu, A.I. Opara, S.O. Onyekuru, C.C. Ikechukwu, I.J. Ofoh, S.I. Okechukwu, C.N. Nwokeabia, P.O. Iwuoha, and E.E. Ajaegbu, Hydrogeological Assessment and Contaminant Transport Modelling of Enyimba Landfill Site in Aba, Nigeria, Water Practice & Technology 19(5), 2024. https://doi.org/10.2166/wpt.2024.122
34. J. Ezekiel, V. Vahrenkamp, T. Finkbeiner, H. Hoteit, and P.M. Mai, Techno‑Economic and Sensitivity Analyses as Decision‑Making Tools for Assessing Emerging Large‑Scale CO₂‑Enabled Geothermal Energy Production, SSRN, Article 5068158, 2024. https://www.semanticscholar.org/paper/dd3fdcd49845c2d1c3f650c6d8093e5b8057d121
33. J. Ezekiel, V. Vahrenkamp, H.A. Hoteit, T. Finkbeiner, and P.M. Mai, Techno‑economic assessment of large‑scale sedimentary basin stored–CO₂ geothermal power generation, Applied Energy 376: 124270, 2024. https://doi.org/10.1016/j.apenergy.2024.124270
32. J.A. Riera, R.M. Lima, J. Ezekiel, P.M. Mai, and O. Knio, Addressing extreme weather events for the renewable power‑water‑heating sectors in Neom, Saudi Arabia, Communications Earth & Environment 5(1): 614, 2024. https://doi.org/10.1038/s43247-024-01777-x
31. J.A. Riera, R.M. Lima, J. Ezekiel, P.M. Mai, and O. Knio, Dataset for the manuscript: Addressing extreme weather events for the renewable power‑water‑heating sectors in Neom, Saudi Arabia, KAUST Research Repository, 2024. https://doi.org/10.25781/KAUST-F6CDV
30. S.O. Onyekuru, D.J. Anyanwu, J. Ezekiel, V.I. Fagorite, and C.J. Iwuagwu, Applied sequence stratigraphy and heterogeneity assessment of the Eocene clastics in the Niger Delta Basin, Nigeria, Journal of Sedimentary Environments 9(2): 297–315, 2024. https://doi.org/10.1007/s43217-023-00163-5
29. B. Yalcin, J. Ezekiel, and P.M. Mai, Potential for CO₂ plume geothermal and CO₂ storage in an onshore Red Sea Rift basin, Al‑Wajj, Saudi Arabia: 3D reservoir modeling and simulations, Geothermics 119: 102966, 2024. https://doi.org/10.1016/j.geothermics.2024.102966
28. S. Egbom, F.O. Nduka, S.O. Nzeako, C.C. Ikechukwu, J.I. Nwachukwu, C.O. Ezenwaka, C.O. Ihejirika, M.C. Opara, E.O. Anyanwu, and B.O. Agoh, Spatial distribution of malaria and land cover patterns in Ogoni Land, Rivers State, Nigeria, Malaysian Journal of Science 42(3), 2023. https://doi.org/10.22452/mjs.vol42no3.12
27. A.M. Norouzi, F. Pouranian, A. Rabbani, N. Fowler, J. Gluyas, V. Niasar, J. Ezekiel, and M. Babaei, CO₂‑plume geothermal: Power net generation from 3D fluvial aquifers, Applied Energy 332: 120546, 2023. https://doi.org/10.1016/j.apenergy.2022.120546
26. J. Ezekiel, A. Ebigbo, I. Arifianto, A. Daniilidis, T. Finkbeiner, and P.M. Mai, Techno‑economic performance optimization of hydrothermal doublet systems: Application to the Al Wajh basin, Western Saudi Arabia, Geothermics 105: 102532, 2022. https://doi.org/10.1016/j.geothermics.2022.102532
25. B. Yalcin, J. Ezekiel, and P.M. Mai, CO₂ injection and storage for geothermal power generation in hydrothermal reservoirs along the Red Sea of Western Saudi Arabia, EGU General Assembly Conference Abstracts, EGU22‑2199, 2022. https://doi.org/10.5194/egusphere-egu22-2199
24. J. Ezekiel, B.M. Adams, M.O. Saar, and A. Ebigbo, Numerical analysis and optimization of the performance of CO₂‑Plume Geothermal (CPG) production wells and implications for electric power generation, Geothermics 98: 102270, 2022. https://doi.org/10.1016/j.geothermics.2021.102270
23. A.I. Opara, E.M. Okoro, S.O. Onyekuru, I.O. Njoku, and C.P. Onyenegecha, J.E. Asedegbega, A.C. Ekwe, A.E. Okoli, and J. Ezekiel, Rock physics enhanced strati‑structural interpretation of the Wuzuzo Field, onshore Niger Delta, Nigeria, Upstream Oil and Gas Technology 6: 100028, 2021. https://doi.org/10.1016/j.upstre.2020.100028
22. A.I. Opara, C.Z. Akaolisa, C.O. Akakuru, A.U. Nkwoada, F.C. Ibe, A.W. Verla, and C.C. Ikechukwu, Particulate matter exposure and non‑cancerous inhalation health risk assessment of major dumpsites of Owerri metropolis, Nigeria, Environmental Analysis, Health and Toxicology 36(4), 2021. https://doi.org/10.5620/eaht.2021025
21. J. Ezekiel, D. Kumbhat, A. Ebigbo, B.M. Adams, and M.O. Saar, Sensitivity of reservoir and operational parameters on the energy extraction performance of combined CO₂‑EGR–CPG systems, Energies 14(19): 6122, 2021. https://doi.org/10.3390/en14196122
20. J. Ezekiel, A. Ebigbo, B.M. Adams, and M.O. Saar, Combining natural gas recovery and CO₂‑based geothermal energy extraction for electric power generation, Applied Energy 269: 115012, 2020. https://doi.org/10.1016/j.apenergy.2020.115012
19. J. Ezekiel, Assessment and optimization of geological carbon storage and energy production from deep natural gas reservoirs, ETH Zurich, 2020. https://doi.org/10.3929/ethz-b-000451612
18. J. Ezekiel, A. Ebigbo, B.M. Adams, and M.O. Saar, Potential of combining natural gas production and CO₂‑plume geothermal (CPG) electricity generation in deep natural gas reservoirs, AAPG European Region, 3rd Hydrocarbon Geothermal Cross Over Technology Workshop, 2019. https://doi.org/10.1016/j.apenergy.2020.115012
17. E.C. Mbagwu, S.I. Ibeneme, C.N. Okereke, and A.C. Ezebunanwa, Hydrogeophysical evaluation of aquifer units around the Lower Orashi River area, southeastern Nigeria, International Journal of Advanced Academic Research (Sciences, Technology and Engineering) 5(8): 1–29, 2019. https://www.ijaar.org/articles/Volume5-Number8/Sciences-Technology-Engineering/ijaar-ste-v5n8-aug19-p3.pdf
16. G.O. Adeyi, E.C. Mbagwu, C.N. Ndupu, and O.C. Okeke, Production and uses of crushed rock aggregates: An overview, International Journal of Advanced Academic Research (Sciences, Technology and Engineering) 5(8): 92–110, 2019. https://www.ijaar.org/articles/Volume5-Number8/Sciences-Technology-Engineering/ijaar-ste-v5n8-aug19-p20.pdf
15. A.C. Ezebunanwa, J.I. Eronini, V. Okorie, E.C. Mbagwu, and N.A. Uchenna, Facies analysis of Eocene sediments of Umuahia area, southeastern Nigeria, Journal of Geography, Environment and Earth Science International23(4): 1–22, 2019. https://doi.org/10.9734/jgeesi/2019/v23i430174
14. J. Ezekiel, A. Ebigbo, B.M. Adams, and M.O. Saar, On the use of supercritical carbon dioxide to exploit the geothermal potential of deep natural gas reservoirs for power generation, Proceedings of the European Geothermal Congress, 292, 2019. https://doi.org/10.1016/j.egypro.2014.11.827
13. G. Cui, S. Ren, Z. Rui, J. Ezekiel, L. Zhang, and H. Wang, The influence of complicated fluid‑rock interactions on geothermal exploitation in the CO₂‑plume geothermal system, Applied Energy 227: 49–63, 2018. https://doi.org/10.1016/j.apenergy.2017.10.114
12. J. Ezekiel, A. Ebigbo, B. Adams, and M.O. Saar, Feasibility of combining natural gas recovery and CO₂‑based geothermal energy in deep natural gas reservoirs, 6th European Geothermal Workshop (EGW 2018), 2018. https://doi.org/10.1016/j.egypro.2017.03.084
11. G. Cui, S. Ren, L. Zhang, J. Ezekiel, C. Enechukwu, Y. Wang, and R. Zhang, Geothermal exploitation from hot dry rocks via recycling heat transmission fluid in a horizontal well, Energy 128:366–377, 2017. https://doi.org/10.1016/j.energy.2017.04.027
10. J. Ezekiel, S. Ren, L. Zhang, Y. Wang, Y. Liu, J. Deng, and G. Wang, Displacement mechanisms of air injection for improved oil recovery in low‑permeability light oil reservoirs, International Journal of Oil, Gas and Coal Technology 16(1):1–26, 2017. https://doi.org/10.1504/IJOGCT.2017.085987
9. A.O.I. Selemo, E.J. Atunima, C.Z. Akaolisa, S.O. Onyekuru, C.N. Okereke, S. I. Ibeneme, J. Ezekiel, and I. O Njoku, Seismic sequence stratigraphy and structural trends of the clastic deposits in parts of the Niger Delta, Nigeria, International Journal of Scientific & Engineering Research 7(6), 2016. https://www.researchgate.net/publication/337717645
8. D. Li, B. Ren, L. Zhang, J. Ezekiel, S. Ren, and Y. Feng, CO₂‑sensitive foams for mobility control and channeling blocking in enhanced WAG processes, Chemical Engineering Research and Design 102:234–243, 2015. https://doi.org/10.1016/j.cherd.2015.06.026
7. M. Li, S. Fan, Y. Su, J. Ezekiel, M. Lu, and L. Zhang, Mathematical models of the heat‑water dissociation of natural gas hydrates considering a moving Stefan boundary, Energy 90: 202–207, 2015. https://doi.org/10.1016/j.energy.2015.05.064
6. A.I. Opara, S.O. Onyekuru, E.C. Mbagwu, T.T. Emberga, K.C. Ijeomah, and K.C. Nwokocha, Integrating Landsat ETM and aeromagnetic data for enhanced structural interpretation over Naraguta area, north‑central Nigeria, International Journal of Scientific & Engineering Research6(9):186–195, 2015. https://www.researchgate.net/publication/283354287_Integrating_Landsat-ETM_and_Aeromagnetic_Data_for_Enhanced_Structural_Interpretation_over_Naraguta_Area_North-Central_Nigeria
5. L. Zhang, D. Li, J. Ezekiel, W. Zhang, H. Mi, and S. Ren, CO₂ geological storage into a lateral aquifer of an offshore gas field in the South China Sea: storage safety and project design, Frontiers of Earth Science 9(2):286–299, 2015. https://doi.org/10.1007/s11707-014-0462-7
4. J. Ezekiel, Y. Wang, Y. Liu, L. Zhang, J. Deng, and S. Ren, Case study of air injection IOR process for a low‑permeability light oil reservoir in eastern China, SPE Annual Caspian Technical Conference, SPE‑172292‑MS, 2014. https://doi.org/10.2118/172292-MS
3. J. Ren, L. Zhang, J. Ezekiel, S. Ren, and S. Meng, Reservoir characteristics and productivity analysis of tight sand gas in the Upper Paleozoic Ordos Basin, China, Journal of Natural Gas Science and Engineering 19:244–250, 2014. https://doi.org/10.1016/j.jngse.2014.05.014
2. L. Zhang, J. Ezekiel, D. Li, J. Pei, and S. Ren, Potential assessment of CO₂ injection for heat mining and geological storage in geothermal reservoirs of China, Applied Energy 122: 237–246, 2014. https://doi.org/10.1016/j.apenergy.2014.02.027
1. J. Ezekiel, N.N. Onu, C.Z. Akaolisa, and A.I. Opara, Preliminary interpretation of gravity mapping over the Njaba sub‑basin of southeastern Nigeria: An implication for petroleum potential, Journal of Geology and Mining Research 5(3): 75–87, 2013. https://doi.org/10.5897/JGMR2013.0171
