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Energies
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Deep Geothermal Energy Development and Utilization
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Deep Geothermal Energy Development and Utilization

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "H2: Geothermal".

Deadline for manuscript submissions: 5 October 2026 | Viewed by 374

Special Issue Editors

Prof. Dr. Bo Feng

E-Mail Website
Guest Editor
School of New Energy and Environment, Jilin University, Changchun 130012, China
Interests: deep geothermal energy; enhanced geothermal system; chemical stimulation; geochemistry
Special Issues, Collections and Topics in MDPI journals
Dr. Yilong Yuan

E-Mail Website
Guest Editor
Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
Interests: enhanced geothermal system; multiphase flow; geochemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Deep geothermal energy represents a transformative clean energy solution with the potential to significantly contribute to global decarbonization efforts. While technical and economic challenges remain, continued advancements in EGS, drilling technologies, and system integration are rapidly improving feasibility. The unique advantages of geothermal energy—including its reliability, sustainability, and versatility—make it indispensable for achieving "dual carbon" goals and energy transitions worldwide.

As nations accelerate their energy transitions, deep geothermal energy is poised to play an increasingly important role in the global renewable energy mix. With concerted efforts in research, policy support, and international collaboration, deep geothermal energy could fulfill its promise as "the future of geothermal energy" and make substantial contributions to a sustainable energy future.

This Special Issue focuses on recent advances and aims to foster interdisciplinary discussions on topics including, but not limited to, genetic mechanisms and exploration of HDR and SGR; EGS reservoir creation and management; advanced fracture characterization and monitoring; multi-physical THMC coupling processes; environmental and policy considerations; and innovative heat exchange and extraction technologies. A key focus is placed on the integration of geothermal energy with underground storage systems to promote a reliable, sustainable, and decarbonized energy future.

Prof. Dr. Bo Feng
Dr. Yilong Yuan
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • deep geothermal energy
  • enhanced geothermal system
  • chemical stimulation
  • geochemistry, development and utilization
  • numerical simulation

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Published Papers (1 paper)

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Review

33 pages, 3796 KB  
Review
Mineral Reactions and Reservoir Dynamic Response for Geothermal Energy Development Reservoir Reinjection from a Geochemical Perspective
by Heqing Lei, Bo Feng, Siqing He, Botong Hu, Haoyang Chen and Yuxiang Cheng
Energies 2026, 19(10), 2395; https://doi.org/10.3390/en19102395 - 16 May 2026
Viewed by 125
Abstract
Reinjection represents a fundamental strategy for sustainable geothermal reservoir development. During reinjection, reservoirs are subjected to pronounced physicochemical disequilibrium, under which complex water–rock interactions render long–term behavior difficult to predict. This review synthesizes mineral reactions and reservoir dynamic responses from a geochemical perspective. [...] Read more.
Reinjection represents a fundamental strategy for sustainable geothermal reservoir development. During reinjection, reservoirs are subjected to pronounced physicochemical disequilibrium, under which complex water–rock interactions render long–term behavior difficult to predict. This review synthesizes mineral reactions and reservoir dynamic responses from a geochemical perspective. The interplay between reaction kinetics and fluid transport is examined using the Damköhler number, elucidating the spatiotemporal evolution of reactive transport. The dissolution–precipitation behaviors of silicate, carbonate, and sulfate minerals are evaluated, highlighting their distinct roles in governing long–term structural reorganization, short–term permeability variability, and rapid clogging. The influence of mineral reactions on pore structure evolution and the development of nonlinear porosity–permeability relationships is examined, alongside commonly used constitutive models and their inherent limitations. Multiscale characterization approaches for porosity–permeability evolution and the distinct responses of different reservoir types are reviewed. The chemo–mechanical coupling induced by water–rock interactions and its implications for reservoir stability are addressed. This work establishes a unified conceptual framework linking mineral reactions, fluid transport, and reservoir evolution, providing a basis for optimizing reinjection strategies and improving long–term geothermal system performance. Full article
(This article belongs to the Special Issue Deep Geothermal Energy Development and Utilization)
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