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Energies
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Natural Gas Hydrates: Exploration and Development
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Natural Gas Hydrates: Exploration and Development

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

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 3563

Special Issue Editors

Prof. Dr. Dongliang Zhong

E-Mail Website
Guest Editor
State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China
Interests: gas hydrates; CO2 capture; exploration and development of unconventional natural gases
Dr. Bisheng Wu

E-Mail Website
Guest Editor
Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China
Interests: hydrate dissociation and CO2 utilization and storage; geomechanics related to hydraulic fracturing; offshore geotechnical engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Natural gas hydrates are ice-like solids composed of water and gas, most commonly methane. Occurring naturally in marine sediments and within and beneath permafrost, they are considered as a clean energy and a bridge-fuel to renewable energy sources due to the huge enery density. Therefore, exploration and development of natural gas hydrates have received significant research and industrial interests for decades. The common methods of exploring natural gas hydrates include depressurization, heating, inhibition, CO2 replacement and solid exploitation. However, due to immature development technology, high cost, and environmental concerns, the commercial exploitation of natural gas hydrates has not yet been realized. It is urgent to demonstrate the progress in fundamental research, natural gas hydrate exploitation technologies, economical and environmental evaulation, etc., and thus hopefully boost the development of natural gas hydrate recovery.

This Special Issue aims to present and disseminate the most recent advances related to the exploration and development of natural gas hydrates, illustrating fundamental theories, applied technologies and field practices.  We invite prospective authors to submit original research articles, as well as review articles, on various topics including natural gas hydrates and hydrate-based technologies.

Topics of interest for publication include, but are not limited to:

  1. Natural gas hydrates (characterization, exploration, and environmental impacts, etc.)
  2. Gas hydrate fundamentals (thermodynamics, kinetics, etc.)
  3. Gas hydrate-based technologies (CO2 capture and sequestration, gas separation, desalination, etc.)

Prof. Dr. Dongliang Zhong
Dr. Bisheng Wu
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

  • natural gas hydrates
  • natural gas
  • exploration and development
  • thermodynamics
  • kinetics

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Published Papers (2 papers)

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Research

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15 pages, 1574 KiB  
Article
Evaluation of Temperature on the Methane Hydrates Formation Process Using Sodium Surfactin and Rhamnolipids
by Antonio Pavón-García, Abel Zúñiga-Moreno, Ricardo García-Morales, Francisco Javier Verónico-Sánchez and Octavio Elizalde-Solis
Energies 2024, 17(1), 67; https://doi.org/10.3390/en17010067 - 21 Dec 2023
Viewed by 1480
Abstract
The performance of chemical and biological additives in the methane hydrates formation and dissociation processes is of relevance for the development of gas-transport and gas-storage systems. The effect of sodium surfactin, rhamnolipids, and sodium dodecyl sulfate (SDS) on the methane hydrate formation process [...] Read more.
The performance of chemical and biological additives in the methane hydrates formation and dissociation processes is of relevance for the development of gas-transport and gas-storage systems. The effect of sodium surfactin, rhamnolipids, and sodium dodecyl sulfate (SDS) on the methane hydrate formation process was assessed in this work at different temperatures and a fixed pressure of 50 bar. The studied parameters were induction time, methane uptake, period to reach 90 percent of the consumed gas, water-to-hydrate conversion, and formation rate. Concentrations for sodium surfactin were 3, 150, 750, 1500, 2000, and 2500 ppm, while rhamnolipids and SDS solutions were analyzed at 1500, 2000, and 2500 ppm. Performance testing of these additives was carried out by means of the isochoric–isothermal method. The experimental setup consisted of an isochoric three-cell array with 300 mL of capacity and magnetic stirring. According to the results, the sodium surfactin promoted the methane hydrate formation since the kinetics were higher and the water-to-hydrate conversion averaged 24.3%; meanwhile, the gas uptake increased as concentration was rising, and the induction time was reduced even at a temperature of 276.15 K. Full article
(This article belongs to the Special Issue Natural Gas Hydrates: Exploration and Development)
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Review

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25 pages, 5099 KiB  
Review
Review of Heat Transfer Characteristics of Natural Gas Hydrate
by Minghang Mao, Kefeng Yan, Xiaosen Li, Zhaoyang Chen, Yi Wang, Jingchun Feng and Chang Chen
Energies 2024, 17(3), 717; https://doi.org/10.3390/en17030717 - 2 Feb 2024
Cited by 3 | Viewed by 1691
Abstract
As a typical unconventional energy reservoir, natural gas hydrate is believed to be the most promising alternative for conventional resources in future energy patterns. The exploitation process of natural gas hydrate comprises a hydrate phase state, heat and mass transfer, and multi-phase seepage. [...] Read more.
As a typical unconventional energy reservoir, natural gas hydrate is believed to be the most promising alternative for conventional resources in future energy patterns. The exploitation process of natural gas hydrate comprises a hydrate phase state, heat and mass transfer, and multi-phase seepage. Therefore, the study of heat transfer characteristics of gas hydrate is of great significance for an efficient exploitation of gas hydrate. In this paper, the research methods and research progress of gas hydrate heat transfer are reviewed from four aspects: measurement methods of heat transfer characteristics, influencing factors of heat transfer in a hydrate system and hydrate-containing porous media systems, predictive models for effective thermal conductivity, and heat transfer mechanisms of hydrate. Advanced measurement techniques and theoretical methods that can be adopted for the heat transfer characteristics of gas hydrate in the future are discussed. Full article
(This article belongs to the Special Issue Natural Gas Hydrates: Exploration and Development)
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