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Processes
Special Issues
Quantitative Evaluation, Efficient Development, Seepage, and Simulation of Geo-Energy Resources
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Quantitative Evaluation, Efficient Development, Seepage, and Simulation of Geo-Energy Resources

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Energy Systems".

Deadline for manuscript submissions: 10 January 2025 | Viewed by 355

Special Issue Editors

Dr. Zhixue Sun

E-Mail Website
Guest Editor
School of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China
Interests: quantitative characterization and geological modeling of complex oil and gas reservoirs; theory and methods of numerical simulation of complex oil and gas reservoirs; theory and simulation of EGS development
Prof. Dr. Xiaoguang Wang

E-Mail Website
Guest Editor
College of Energy, Chengdu University of Technology, Chengdu 610059, China
Interests: THMC-coupled processes; inverse modeling; geothermal energy development; carbon storage

Special Issue Information

Dear Colleagues,

With the increasing demand for quantitative evaluation, efficient development, and accurate simulation of geo-energy resources, the field of geoscience and energy engineering has been witnessing significant advancements. This Special Issue aims to explore the latest developments and applications in the evaluation of geo-energy resources, effective methods for promoting their extraction, and the simulation of reservoir flow in geological formations.

The topics covered in this Special Issue include, but are not limited to:

  • Quantitative evaluation of geo-energy resources, including methods for assessing the potential and feasibility of various forms of geothermal, oil, gas, and other underground resources.
  • Efficient development of geo-energy resources, focusing on innovative techniques and technologies for enhancing extraction efficiency, reducing environmental impact, and optimizing the overall performance of energy extraction processes.
  • Seepage and simulation of geological resources, encompassing advanced modeling and simulation techniques for understanding the flow behavior of fluids, gases, and other substances within subsurface reservoirs and the impact on resource extraction.

Contributions from researchers, practitioners, and experts in the field are welcome to share their latest findings, methodologies, and case studies. We encourage interdisciplinary approaches that combine geoscience, engineering, and computational modeling to address the challenges and opportunities in harnessing geo-energy resources.

Dr. Zhixue Sun
Prof. Dr. Xiaoguang Wang
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 100 words) can be sent to the Editorial Office for announcement on this website.

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. Processes is an international peer-reviewed open access monthly 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 2400 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

  • geo-energy resources
  • quantitative evaluation
  • efficient development
  • geothermal exploitation
  • unconventional oil and gas
  • complex reservoir
  • seepage
  • flow simulation

Published Papers (1 paper)

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Research

20 pages, 10450 KiB  
Article
Understanding Plugging Agent Emplacement Depth with Polymer Shear Thinning: Insights from Experiments and Numerical Modeling
by Shanbin He, Chunqi Xue, Chang Du, Yahui Mao, Shengnan Li, Jianhua Zhong, Liwen Guo and Shuoliang Wang
Processes 2024, 12(5), 893; https://doi.org/10.3390/pr12050893 (registering DOI) - 28 Apr 2024
Viewed by 188
Abstract
Polymer-plugging agents are widely employed in profile control and water-plugging measures, serving as a crucial component for efficient reservoir development. However, quantitatively monitoring the emplacement depth of polymer-plugging agents in low-permeability and high-permeability layers remains a challenging bottleneck. Presently, insufficient attention on shear [...] Read more.
Polymer-plugging agents are widely employed in profile control and water-plugging measures, serving as a crucial component for efficient reservoir development. However, quantitatively monitoring the emplacement depth of polymer-plugging agents in low-permeability and high-permeability layers remains a challenging bottleneck. Presently, insufficient attention on shear thinning, a critical rheological property for water shut-off and profile control, has limited our understanding of polymer distribution laws. In this study, polymer shear-thinning experiments are firstly conducted to explore polymer variations with flow rate. The novelty of the research is that varying polymer viscosity is implemented instead of the fixed-fluid viscosity that is conventionally used. The fitted correlation is then integrated into the 2D and 3D heterogeneous numerical models for simulations, and a multivariate nonlinear regression analysis is performed based on the simulation results. The results show that lower polymer emplacement depth ratios corresponded to higher viscosity loss rates under the same flow rate. An increase in the initial permeability ratio corresponds to a decrease in the emplacement ratio, along with a reduction in the fraction of the plugging agent penetrating the low permeability formations. The model was applied to the Kunan Oilfield and demonstrated a polymer reduction of approximately 3000 tons compared to traditional methods. Despite the slightly complex nature of the multivariate nonlinear mathematical model, it presents clear advantages in controlling plugging agent distribution and estimating dosage, laying good theoretical ground for the effective and efficient recovery of subsurface resources. Full article
(This article belongs to the Special Issue Quantitative Evaluation, Efficient Development, Seepage, and Simulation of Geo-Energy Resources)
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