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Geosciences 2018, 8(12), 453; https://doi.org/10.3390/geosciences8120453

Forecast of Gas Hydrates Distribution Zones in the Arctic Ocean and Adjacent Offshore Areas

1
Oil and Gas Research Institute of the Russian Academy of Sciences, 3, Gubkina St., 119333 Moscow, Russia
2
Gubkin Russian State University of Oil and Gas (National Research University), 65, Leninsky Prospekt, 119991 Moscow, Russia
*
Author to whom correspondence should be addressed.
Received: 12 October 2018 / Revised: 29 November 2018 / Accepted: 1 December 2018 / Published: 4 December 2018
(This article belongs to the Special Issue Gas and Gas Hydrate in Permafrost)
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Abstract

Gas hydrates (GH) are perspective energy sources, containing significantly more gas resources compared with conventional fields. At the same time, GH pose a danger for exploration and production of hydrocarbon fields. Methane release to the atmosphere is also a substantial factor of climate change. The objective of this research was the forecast of distribution of zones, favorable for GH existence in the Arctic Ocean and adjacent offshore areas, limited by the 45° latitude. For conducting research, existent data of National Oceanic and Atmospheric Administration (NOAA) on near-bottom water temperatures was analyzed. Using CSMHYD software, based on empirical equations of GH stability, minimal depths appropriate for methane hydrates formation at different temperatures were calculated. On the basis of obtained values, a cartographic scheme with a zone favorable for methane hydrates existence was created. The zone corresponded to distribution of BSRs defined in seismic sections, including those discovered for the first time on the continental slope of the Laptev Sea and in the TINRO Depression of the Sea of Okhotsk. Besides, the zone concurred with the results of other authors research, summarized in the geoinformation system “AWO” (The Arctic and the World Ocean), which could verify the validity of conducted forecast. View Full-Text
Keywords: gas hydrates; methane; methane hydrates; Arctic; Arctic Ocean; World Ocean; Gulf Stream; pockmarks; CDP seismic; BSR gas hydrates; methane; methane hydrates; Arctic; Arctic Ocean; World Ocean; Gulf Stream; pockmarks; CDP seismic; BSR
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Bogoyavlensky, V.; Kishankov, A.; Yanchevskaya, A.; Bogoyavlensky, I. Forecast of Gas Hydrates Distribution Zones in the Arctic Ocean and Adjacent Offshore Areas. Geosciences 2018, 8, 453.

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