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Advances in the Development of Geoenergy: 3rd Edition

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "H: Geo-Energy".

Deadline for manuscript submissions: 25 June 2026 | Viewed by 602

Special Issue Editors


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Guest Editor
Faculty of Engineering, China University of Geosciences, Wuhan 430074, China
Interests: flow dynamics; numerical simulation; multiscale flow; multifield coupling modeling; CCUS; unconventional oil and gas resources (NGH, shale gas, shale oil, etc.) development
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Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China
Interests: discrete fracture networks; engineering geology; solid–fluid coupling
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Guest Editor
Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
Interests: composite materials; polymer encapsulation; polymer-reinforced concrete; thermal regulation
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Guest Editor
College of Science, China Agricultural University, Beijing 100091, China
Interests: multiphase multifield particle composites; solar energy
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Special Issue Information

Dear Colleagues,

The use of unconventional oil and gas resources in natural gas and oil production has increased worldwide in recent decades. The science and technology involved in the development of unconventional oil and gas resources not only play indispensable roles in petroleum engineering but are also crucial for various applications, such as geological carbon dioxide capture, utilization and storage (CCUS), hydrology, and geothermal energy production.

Potential topics include, but are not limited to, the following:

  • New methods to test and characterize the properties of unconventional oil and gas reservoirs;
  • Hydraulic fracturing of unconventional oil and gas reservoirs;
  • Effective techniques to enhance the recovery of unconventional oil and gas reservoirs;
  • The use of artificial intelligence in unconventional oil and gas development;
  • New science and technologies involved in unconventional oil and gas development;
  • Developmental technologies for new energy resources (e.g., hydrogen energy and gas hydrate);
  • Carbon-reducing technologies (e.g., CCUS) in unconventional oil and gas development.

Yours faithfully,

Prof. Dr. Gang Lei
Dr. Weiwei Zhu
Dr. Zhenhua Wei
Dr. Liangliang Zhang
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

  • unconventional reservoirs
  • EOR
  • fracturing
  • CCUS
  • geoenergy

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Published Papers (1 paper)

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Research

14 pages, 3605 KB  
Article
A Non-Empirical Fractal Permeability Model for EOR in Hydrate-Bearing Reservoirs: Coupling Effects of Effective Stress, Temperature, and Particle Heterogeneity
by Ying-Ying Ma, Yi-Han Shang, Ke-Yi Wang and Gang Lei
Energies 2026, 19(5), 1255; https://doi.org/10.3390/en19051255 - 3 Mar 2026
Viewed by 347
Abstract
Permeability is a critical parameter for evaluating the production potential of natural gas hydrate reservoirs, and its accurate prediction is essential for enhanced oil recovery (EOR). However, existing permeability models often assume a uniform particle distribution, neglecting the inherent heterogeneity of natural sediments, [...] Read more.
Permeability is a critical parameter for evaluating the production potential of natural gas hydrate reservoirs, and its accurate prediction is essential for enhanced oil recovery (EOR). However, existing permeability models often assume a uniform particle distribution, neglecting the inherent heterogeneity of natural sediments, and rarely fully couple the effects of effective stress and temperature variations induced by EOR operations. To address that gap, this study develops a novel non-empirical fractal permeability model that incorporates particle heterogeneity through an offset angle (θ) and an aspect ratio (m), and couples these with thermoelastic theory to describe the evolution of the pore structure under coupled thermo-mechanical conditions. The model accounts for two hydrate growth habits (grain-coating and pore-filling) and allows for their coexistence via weighting coefficients. Using this model, we systematically investigate the individual and combined effects of effective stress, temperature, particle heterogeneity, and hydrate saturation on permeability. Model predictions are validated against independent experimental data from multiple sources, showing good agreement. The results reveal that permeability decreases with increasing effective stress and temperature, with stress playing a more dominant role; moreover, the transition between hydrate growth habits under stress is captured. The proposed model provides a theoretical tool to understand permeability evolution in heterogeneous hydrate reservoirs under varying thermo-mechanical conditions, thereby supporting EOR strategy optimization. Full article
(This article belongs to the Special Issue Advances in the Development of Geoenergy: 3rd Edition)
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