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Formation of clathrate hydrates of hydrochlorofluorocarbon 141b in the deep borehole at Vostok station (Antarctica) in the course of the unsealing of subglacial lake Vostok. / Manakov, A. Yu; Ildyakov, A. V.; Lipenkov, V. Ya; Ekaykin, A. A.; Khodzher, T. V.

в: Earth's Cryosphere, Том 21, № 3, 01.01.2017, стр. 32-40.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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Author

Manakov, A. Yu ; Ildyakov, A. V. ; Lipenkov, V. Ya ; Ekaykin, A. A. ; Khodzher, T. V. / Formation of clathrate hydrates of hydrochlorofluorocarbon 141b in the deep borehole at Vostok station (Antarctica) in the course of the unsealing of subglacial lake Vostok. в: Earth's Cryosphere. 2017 ; Том 21, № 3. стр. 32-40.

BibTeX

@article{20bcb1b0006e4f6eae591543941424ec,
title = "Formation of clathrate hydrates of hydrochlorofluorocarbon 141b in the deep borehole at Vostok station (Antarctica) in the course of the unsealing of subglacial lake Vostok",
abstract = "We have presented the results of a study of core samples which had been recovered from a deep borehole after the second unsealing of subglacial Lake Vostok in 2015 (borehole 5G-3, in which a mixture of kerosene and HCFC-141b densifier had been used as the drilling fluid). The intensive mixing of the subglacial water and the drilling fluid resulted in the formation of a solid plug that filled the volume of the borehole and blocked the access to the lake. We have demonstrated that this solid plug consists of kerosene, ice and clathrate hydrate of HCFC-141b. The obtained data suggests that the drilling fluid presently used at Vostok should be replaced, at least in the bottom section of the hole, by another fluid which does not react with subglacial water.",
keywords = "Drilling, Freon HCFC-141b, Gas hydrate, Lake Vostok",
author = "Manakov, {A. Yu} and Ildyakov, {A. V.} and Lipenkov, {V. Ya} and Ekaykin, {A. A.} and Khodzher, {T. V.}",
year = "2017",
month = jan,
day = "1",
doi = "10.21782/KZ1560-7496-2017-3(32-40)",
language = "English",
volume = "21",
pages = "32--40",
journal = "КРИОСФЕРА ЗЕМЛИ",
issn = "1560-7496",
publisher = "Российская академия наук",
number = "3",

}

RIS

TY - JOUR

T1 - Formation of clathrate hydrates of hydrochlorofluorocarbon 141b in the deep borehole at Vostok station (Antarctica) in the course of the unsealing of subglacial lake Vostok

AU - Manakov, A. Yu

AU - Ildyakov, A. V.

AU - Lipenkov, V. Ya

AU - Ekaykin, A. A.

AU - Khodzher, T. V.

PY - 2017/1/1

Y1 - 2017/1/1

N2 - We have presented the results of a study of core samples which had been recovered from a deep borehole after the second unsealing of subglacial Lake Vostok in 2015 (borehole 5G-3, in which a mixture of kerosene and HCFC-141b densifier had been used as the drilling fluid). The intensive mixing of the subglacial water and the drilling fluid resulted in the formation of a solid plug that filled the volume of the borehole and blocked the access to the lake. We have demonstrated that this solid plug consists of kerosene, ice and clathrate hydrate of HCFC-141b. The obtained data suggests that the drilling fluid presently used at Vostok should be replaced, at least in the bottom section of the hole, by another fluid which does not react with subglacial water.

AB - We have presented the results of a study of core samples which had been recovered from a deep borehole after the second unsealing of subglacial Lake Vostok in 2015 (borehole 5G-3, in which a mixture of kerosene and HCFC-141b densifier had been used as the drilling fluid). The intensive mixing of the subglacial water and the drilling fluid resulted in the formation of a solid plug that filled the volume of the borehole and blocked the access to the lake. We have demonstrated that this solid plug consists of kerosene, ice and clathrate hydrate of HCFC-141b. The obtained data suggests that the drilling fluid presently used at Vostok should be replaced, at least in the bottom section of the hole, by another fluid which does not react with subglacial water.

KW - Drilling

KW - Freon HCFC-141b

KW - Gas hydrate

KW - Lake Vostok

UR - http://www.scopus.com/inward/record.url?scp=85021783916&partnerID=8YFLogxK

U2 - 10.21782/KZ1560-7496-2017-3(32-40)

DO - 10.21782/KZ1560-7496-2017-3(32-40)

M3 - Article

AN - SCOPUS:85021783916

VL - 21

SP - 32

EP - 40

JO - КРИОСФЕРА ЗЕМЛИ

JF - КРИОСФЕРА ЗЕМЛИ

SN - 1560-7496

IS - 3

ER -

ID: 61460770