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Applied Sciences
Special Issues
Advances in Unconventional Natural Gas: Exploration and Development
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Advances in Unconventional Natural Gas: Exploration and Development

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: 30 August 2024 | Viewed by 606

Special Issue Editors

Dr. Run Chen

E-Mail Website
Guest Editor
1. Jiangsu Key Laboratory of Coal-Based Greenhouse Gas Control and Utilization, Xuzhou 221008, China
2. Carbon Neutrality Institute, China University of Mining and Technology, Xuzhou 221008, China
Interests: unconventional natural gas; CCUS; carbon neutrality; underground coal gasification, CO2 mineralization
Special Issues, Collections and Topics in MDPI journals
Dr. Zheng Zhang

E-Mail Website
Guest Editor
1. Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process, Ministry of Education, China University of Mining and Technology, Xuzhou 221008, China
2. School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China
Interests: hydrogeochemistry; mine water environment; coal geology; hydrology; coal geochemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Unconventional natural gas mainly involves shale gas, coalbed methane, tight gas, natural gas hydrate, etc. Globally, unconventional natural gas resources are abundant. Unconventional natural gas is the most realistic replacement resource for conventional natural gas and plays an important role in the world energy pattern. Currently, the development and utilization technologies are becoming increasingly advanced, and countries around the world attach great importance to the development and utilization of unconventional natural gas resources.

This Special Issue on “Advances in Unconventional Natural Gas: Exploration and Development” aims to cover the recent advances in the exploration and development of unconventional natural gas. Topics include, but are not limited to, the methods and/or applications in the following areas:

  • Key technologies for the exploration and development of unconventional natural gas;
  • Deep unconventional natural gas resources;
  • Numerical simulation techniques for unconventional natural gas reservoirs;
  • Recovery-enhancing techniques for unconventional natural gas;
  • Favorable area selection for unconventional natural gas.

Dr. Run Chen
Dr. Zheng 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 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. Applied Sciences 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 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

  • unconventional natural gas
  • recovery-enhancing techniques
  • deep unconventional natural gas
  • numerical simulation
  • favorable area selection
  • reservoir evaluation

Published Papers (1 paper)

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Research

11 pages, 2864 KiB  
Article
Study of the Methane Adsorption Characteristics in a Deep Coal Reservoir Using Adsorption Potential Theory
by Zhengjiang Long, Xushuang Zhu, Junqiao Liao, Dingnan Ye and Run Chen
Appl. Sci. 2024, 14(8), 3478; https://doi.org/10.3390/app14083478 - 20 Apr 2024
Viewed by 281
Abstract
The gas adsorption characteristics in deep coal reservoirs are the focus of deep coalbed methane geology research. In order to reveal the adsorption characteristics in deep coal reservoirs and quantitatively characterize the amount of adsorbed methane in the deep coal seams, four coals [...] Read more.
The gas adsorption characteristics in deep coal reservoirs are the focus of deep coalbed methane geology research. In order to reveal the adsorption characteristics in deep coal reservoirs and quantitatively characterize the amount of adsorbed methane in the deep coal seams, four coals were collected from the Permian Longtan Formation in southern Sichuan Province. Methane isothermal adsorption tests were carried out on the collected coal samples at 30 °C. The adsorption characteristic curve was established based on the data of the isothermal adsorption. The adsorption potential theory was used to predict the isothermal adsorption curves under different temperatures and the evolutionary relationship between the methane adsorption capacity and the coal seam burial depth in the C17 and C25 coal seams of the Permian in southern Sichuan Province, China. The results showed that the methane isothermal adsorption curve at 30 °C belonged to the Type I isotherm adsorption curve. The methane isothermal adsorption curves for various samples at 45 °C, 60 °C, and 75 °C were predicted based on the uniqueness of the methane adsorption characteristic curve. The amount of adsorbed gas in deep coal reservoirs was comprehensively controlled by pressure and temperature. The pressure showed a positive effect on the amount of methane adsorbed, while the temperature showed a negative effect on the adsorption of methane. The negative effect of temperature became more significant with the increase in pressure. The results of the study are beneficial for further promoting the exploration and development of deep coalbed methane in the southern Sichuan Province of China. Full article
(This article belongs to the Special Issue Advances in Unconventional Natural Gas: Exploration and Development)
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