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Current Research and Future Development in Hydraulic Fracturing in Geo-Energy
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Current Research and Future Development in Hydraulic Fracturing in Geo-Energy

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

Deadline for manuscript submissions: 11 February 2025 | Viewed by 704

Special Issue Editors

Dr. Zhengwen Zeng

E-Mail Website
Guest Editor
Department of Petroleum Engineering, University of Texas Permian Basin, Midland, TX 79705, USA
Interests: hydraulic fracturing; reservoir characterization; unconventional resources; CO2 enhanced oil recovery and carbon sequestration
Dr. Pengju Xing

E-Mail Website
Guest Editor
Energy & Geoscience Institute, University of Utah, Salt Lake City, UT, USA
Interests: geomechanics; geothermal; hydraulic fracturing
Dr. Olga Kresse

E-Mail Website
Guest Editor
Schlumberger, Sugar Land, TX, USA
Interests: hydraulic fracturing; fracture mechanics; fluid and solid mechanics; numerical modeling of hydraulic fracturing in unconventional reservoirs; applied mathematics

Special Issue Information

Dear Colleagues,

Hydraulic fracturing technology turns the production of oil and gas in tight sand and shale formations, of which some are as tight as granite, from dream to reality. The wide application of hydraulic fracturing technology liberated the US from foreign oil dependence and converted it to a net oil and gas exporting country. Propagation and successful application of this advanced technology would allow more countries to achieve energy independence. This issue focuses on three topics: Topic 1—the fundamentals of modern hydraulic fracturing technology. Papers introduce the theoretical aspects of multi-stage hydraulic fracturing in multiple horizontal wells. Topic 2—the successful application of hydraulic fracturing in developing unconventional oil and gas. Papers cover the technical status and dominant trends of this technology, such as the dominant lateral length of the horizontal wells, the dominant number of stages of hydraulic fracturing, and other related parameters. Topic 3—the application of hydraulic fracturing technology for geothermal energy development. Papers will introduce the status in this aspect, with minor coverage of global geothermal potential.

While many countries have huge amounts of unconventional oil and gas resources that can be more economically developed using advanced hydraulic fracturing technology, every country should have enough geothermal energy at a certain depth. This opens a new dream, and challenge—universal energy independence, just like clean air and water.

Dr. Zhengwen Zeng
Dr. Pengju Xing
Dr. Olga Kresse
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. 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

  • hydraulic fracturing
  • unconventional resources
  • tight oil
  • shale gas
  • hot-dry-rock
  • geothermal energy
  • universal energy independence

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Published Papers (1 paper)

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Research

16 pages, 6943 KiB  
Article
Optimization of Well Patterns in Offshore Low-Permeability Thin Interbedded Reservoirs: A Numerical Simulation Study in the Bozhong Oilfield, China
by Guangai Wu, Yingwen Ma, Yanfeng Cao, Anshun Zhang, Wei Liu, Jinghe Wang and Xinyi Yang
Energies 2025, 18(2), 285; https://doi.org/10.3390/en18020285 - 10 Jan 2025
Viewed by 444
Abstract
Offshore low-permeability thin interbedded reservoirs contain significant oil reserves and are crucial for future development. However, due to the high cost and operational challenges associated with offshore fracturing, large-scale fracturing common in onshore fields is uneconomical. Furthermore, offshore low-permeability reservoirs often have sparse [...] Read more.
Offshore low-permeability thin interbedded reservoirs contain significant oil reserves and are crucial for future development. However, due to the high cost and operational challenges associated with offshore fracturing, large-scale fracturing common in onshore fields is uneconomical. Furthermore, offshore low-permeability reservoirs often have sparse well placement and wide well spacing, in contrast to onshore low-permeability fields, which leads to low recovery. Additionally, there is a lack of comprehensive theory on optimizing the well patterns and fracture networks to maximize net income, highlighting the need for further research. This study tackles these issues in a low-permeability thin interbedded reservoir in the Bozhong Oilfield by using reservoir numerical simulation. First, fracture parameters, including fracture half-length and conductivity, are optimized for different well patterns. Subsequently, well pattern optimization is conducted under fractured conditions, targeting maximum net income under various conditions. The results indicate that when fractures are confined to a single reservoir layer and the main reservoir layer accounts for less than 36% of the development section, fractured directional well patterns yield a higher net income. Conversely, when fractures penetrate all reservoir layers, fractured horizontal wells with closer fracture spacing a higher number of fractures are the most profitable option, particularly in offshore fields with large well spacing. The findings provide critical insights into optimizing well patterns and fracture network designs for offshore low-permeability thin interbedded reservoirs. Full article
(This article belongs to the Special Issue Current Research and Future Development in Hydraulic Fracturing in Geo-Energy)
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