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Oil and Gas Markets: Current Challenges and Future Perspectives

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "C: Energy Economics and Policy".

Deadline for manuscript submissions: closed (5 December 2021) | Viewed by 2032

Special Issue Editor


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Guest Editor
Faculty of Economics and Business, Open University of Catalonia, Avinguda Tibidabo 39-43, 08035, Barcelona, Spain
Interests: energy markets; capital structure choices; financial markets; renewable energy; risk analysis

Special Issue Information

Dear Colleagues,

Electricity is considered to be a strategic asset because of its extensive use by virtually all sectors in modern economies. Apart from renewable generation sources, which are progressively more and more present in the supply mix of electricity markets across the world, the most important fuels used to generate power are natural gas and oil. It comes at no surprise, that recent challenges from commodity, stock and credit markets, which have put at risk the operation of natural gas and oil firms, are a main concern for the academic literature, especially during the last decades, in which both markets have experienced changes at an unprecedented pace due to changes in both the supply technologies and the characteristics of energy demand. Natural gas and oil are generally competitors in the production of electricity, while they also are substitutes for each other in consumption, which lead their prices to be closely linked. In this special issue of Energies we invite the submission of manuscripts that explore the two markets, both from asset and liability perspectives. We encourage studies that analyze the characteristics of oil and gas prices in commodities markets, prices of oil and gas firms in stock markets, capital structure choices and funding alternatives use in the two sectors, spillover effects between the two markets and from (to) these markets to (from) other financial markets. Papers exploring the geopolitical factors that shape natural gas and oil markets, or dealing with future challenges and uncertainties of the sector, tackled from diverse and interdisciplinary perspectives, are also welcome. This special issue of Energies aims to become a future reference point for documenting the recent transformation and future pathways of oil and natural gas markets.

Prof. Dr. Jorge Mario Uribe
Guest Editor

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

  • energy commodity markets
  • energy prices
  • market spillovers
  • capital structure

Published Papers (1 paper)

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Research

17 pages, 4268 KiB  
Article
Fractal Characterization of Complex Hydraulic Fractures in Oil Shale via Topology
by Qiang He, Bo He, Fengxia Li, Aiping Shi, Jiang Chen, Lingzhi Xie and Wenxiang Ning
Energies 2021, 14(4), 1123; https://0-doi-org.brum.beds.ac.uk/10.3390/en14041123 - 20 Feb 2021
Cited by 10 | Viewed by 1557
Abstract
The formation of complex fracture networks through the fracturing technology is a crucial operation used to improve the production capacity of tight gas/oil. In this study, physical simulation experiments of hydraulic fracturing were conducted with a true triaxial test system on cubic shale [...] Read more.
The formation of complex fracture networks through the fracturing technology is a crucial operation used to improve the production capacity of tight gas/oil. In this study, physical simulation experiments of hydraulic fracturing were conducted with a true triaxial test system on cubic shale oil samples from the Yanchang Formation, China. The fractures were scanned by CT both before and after the experiments and then reconstructed in 3D. The complexity of fracture networks was investigated quantitatively by the fractal theory with topology. Finally, the effect of the horizontal stress ratio, fluid viscosity, and natural fractures on the complexity of the fracture networks was discussed. The results indicate that the method based on fractal theory and topology can effectively characterize the complexity of the fracture network. The change rates of the fractal dimension (K) are 0.45–3.64%, and the fractal dimensions (DNH) of the 3D fracture network after fracturing are 1.9522–2.1837, the number of connections per branch after fracturing (CB) are 1.57–2.0. The change rate of the fractal dimension and the horizontal stress ratio are negatively correlated. However, the change rate of the fractal dimension first increases and then decreases under increasing fluid viscosities, and a transition occurs at a fluid viscosity of 5.0 mPa·s. Whether under different horizontal stress ratios or fluid viscosities, the complexity of the fracture networks after fracturing can be divided into four levels according to DNH and CB. Complex fracture networks are more easily formed under a lower horizontal stress ratio and a relatively low fluid viscosity. A fracturing fluid viscosity that is too low or too high limits the formation of a fracture network. Full article
(This article belongs to the Special Issue Oil and Gas Markets: Current Challenges and Future Perspectives)
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