Permanent Gas Emission from the Seyakha Crater of Gas Blowout, Yamal Peninsula, Russian Arctic

Vasily Bogoyavlensky, Igor Bogoyavlensky, Roman Nikonov, Vladimir Yakushev and Viacheslav Sevastyanov
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Vasily Bogoyavlensky: Oil and Gas Research Institute, Russian Academy of Sciences (OGRI RAS), 3, Gubkina St., 119333 Moscow, Russia
Igor Bogoyavlensky: Oil and Gas Research Institute, Russian Academy of Sciences (OGRI RAS), 3, Gubkina St., 119333 Moscow, Russia
Roman Nikonov: Oil and Gas Research Institute, Russian Academy of Sciences (OGRI RAS), 3, Gubkina St., 119333 Moscow, Russia
Vladimir Yakushev: Gas Production Department, Gubkin Russian State University of Oil and Gas, 65, Leninsky Prospekt, 119991 Moscow, Russia
Viacheslav Sevastyanov: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, 19, Kosygina St., 119334 Moscow, Russia

Energies, 2021, vol. 14, issue 17, 1-21

Abstract: The article is devoted to the four-year (2017–2020) monitoring of gas emissions from the bottom of the Seyakha Crater, located in the central part of the Yamal Peninsula (north of Western Siberia). The crater was formed on 28 June 2017 due to a powerful blowout, self-ignition and explosion of gas (mainly methane) at the site of a heaving mound in the river channel. On the basis of a comprehensive analysis of expeditionary geological and geophysical data (a set of geophysical equipment, including echo sounders and GPR was used) and remote sensing data (from space and with the use of UAVs), the continuing nature of the gas emissions from the bottom of the crater was proven. It was revealed that the area of gas seeps in 2019 and 2020 increased by about 10 times compared to 2017 and 2018. Gas in the cryolithosphere of the Arctic exists in free and hydrated states, has a predominantly methane composition, whereas this methane is of a biochemical, thermogenic and/or mixed type. It was concluded that the cryolithosphere of Yamal has a high level of gas saturation and is an almost inexhaustible unconventional source of energy resources for the serving of local needs.

Keywords: Yamal Peninsula; permafrost; gas hydrates; methane; pingo; pingo-like feature (PLF); crater; gas blowout; gas emission; remote sensing (RS) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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