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Novel Advances in Coal Geology and Exploration

A Special Issue of Applied Sciences (ISSN 2076-3417) belonging to the section "Earth Sciences".

Deadline for manuscript submissions: 20 February 2027 | Viewed by 402

Editor


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Guest Editor
School of Energy Resource, China University of Geosciences (Beijing), Beijing 100083, China
Interests: coal and CBM geology and development; unconventional energy exploration

Special Issue Information

Dear Colleagues,

In this Special Issue, "Novel Advances in Coal Geology and Exploration”, we will move beyond the traditional focus on coal alone to view coal-bearing strata as a complete "resource reservoir", containing not just coal but also resources such as coalbed methane (CBM), coal measure gas, enriched critical metals, and various associated minerals. Furthermore, these coal seams are also key targets for carbon capture, utilization, and storage (CCUS).

This Special Issue will highlight cutting-edge research, including advanced methodologies such as artificial intelligence (AI), geophysics, remote sensing, and big data analytics, to more efficiently address geological challenges in the development of coal-bearing systems. We welcome contributions focusing on theoretical innovations, technological applications, and real-world case studies to advance the integrated and green utilization of all resources within coal-bearing strata.

Dr. Shuling Tang
Guest Editor

Manuscript Submission Information

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Keywords

  • coal-bearing strata
  • coalbed methane (CBM)
  • coal measure gas
  • associated minerals in coal
  • carbon capture, utilization and storage (CCUS)
  • intelligent exploration technologies
  • sustainable resource development

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Published Papers (1 paper)

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Research

18 pages, 15831 KB  
Article
Hydrocarbon and Non-Hydrocarbon Generation Potential of Deltaic and Lagoonal Coals from Bohai Bay Basin
by Jinfeng Xie, Yong Li, Weikai Xu, Jiayao Chen and Weiqi Zhang
Appl. Sci. 2026, 16(18), 9349; https://doi.org/10.3390/app16189349 (registering DOI) - 20 Sep 2026
Abstract
Coal-derived gases are important natural gas resources, but the evolution of hydrocarbon products during coal thermal transformation remains incompletely understood. Here, two low-maturity coals from deltaic and lagoonal settings (Ro = 0.57% and 0.58%, respectively) were investigated using closed-system gold-tube pyrolysis [...] Read more.
Coal-derived gases are important natural gas resources, but the evolution of hydrocarbon products during coal thermal transformation remains incompletely understood. Here, two low-maturity coals from deltaic and lagoonal settings (Ro = 0.57% and 0.58%, respectively) were investigated using closed-system gold-tube pyrolysis at 300–600 °C to characterize their hydrocarbon-generation sequences, gas compositions, and carbon isotope evolution. Both coals showed a similar hydrocarbon generation sequence, comprising an oil-dominated interval at 300–350 °C, an intermediate interval characterized by light hydrocarbons and heavy hydrocarbon gases at 350–475 °C, and a methane-dominated interval above 475 °C. Maximum oil yields were 81.94 and 85.08 mg/g TOC, and maximum light hydrocarbon yields were 9.64 and 9.97 mg/g TOC for C-1 and C-2, respectively. At 600 °C, hydrocarbon gas (C1–5) yields were 163.07 and 189.69 mL/g TOC, respectively. CO2 was the dominant non-hydrocarbon gas, with yields of 24.93 and 32.12 mL/g TOC at 600 °C. The δ13C values of methane, ethane, and propane became lighter up to approximately 425 °C and then progressively heavier, while maintaining the normal isotope sequence of δ13C1 < δ13C2 < δ13C3. These results delineate a common hydrocarbon generation trajectory for the two coals, with differences between the samples expressed primarily in gas generation intensity rather than in the sequence of product evolution. Full article
(This article belongs to the Special Issue Novel Advances in Coal Geology and Exploration)
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