The structure of cambrian deposits of the Vilyui hemisyneclise, based on an integrated analysis of drilling and seismic data

I. A. Gubin; A. E. Kontorovich; I. V. Korovnikov; T. M. Parfenova

doi:10.2113/RGG20214353

The structure of cambrian deposits of the Vilyui hemisyneclise, based on an integrated analysis of drilling and seismic data

Переведенное название: Строение кембрийских отложений Вилюйской гемисинеклизы по результатам комплексного анализа данных бурения и сейсморазведки

I. A. Gubin, A. E. Kontorovich, I. V. Korovnikov, T. M. Parfenova

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

Аннотация

Представлена модель стратиграфического и латерального распространения кембрийских отложений на территории Вилюйской гемисинеклизы, которая построена на основании анализа данных по бурению и интерпретации сейсмических данных. На отдельных участках изучаемой территории показан набор свит, толщ, вскрытых скважинами (Сюгджерская седловина, Хоргочумская моноклиналь, Ыгыаттинская впадина, Тюкян-Чыбыдинская моноклиналь, Арбайско-Синский мегавал и др.). На тех участках, где кембрий скважинами не вскрыт, выделены зоны распространения кембрийских отложений, прогнозируемые по сейсмическим данным и предполагаемые. Подробно охарактеризовано распространение куонамского горизонта, состоящего из кембрийских пород, обогащенных органическим веществом. Это кумахская и синско-куторгиновая толщи, иниканская и куонамская свиты. По времени формирования куонамский горизонт разделен на два этапа: первый - соответствует ботомскому веку, второй - тойонскому и началу майского веков. Куонамский горизонт перекрыт более молодыми отложениями майского яруса, имеющими косослоистое строение. В результате исследований построены схемы фациального районирования кембрийских отложений на ботомское, тойонско-раннемайское и среднемайское время с детальностью, отвечающей современному уровню геолого-геофизической изученности Вилюйской гемисинеклизы.

Переведенное название	Строение кембрийских отложений Вилюйской гемисинеклизы по результатам комплексного анализа данных бурения и сейсморазведки
Язык оригинала	английский
Страницы (с-по)	914-928
Число страниц	15
Журнал	Russian Geology and Geophysics
Том	62
Номер выпуска	8
DOI	https://doi.org/10.2113/RGG20214353
Состояние	Опубликовано - 2021

Предметные области OECD FOS+WOS

1.05 НАУКИ О ЗЕМЛЕ И СМЕЖНЫЕ ЭКОЛОГИЧЕСКИЕ НАУКИ
1.05.KY ГЕОЛОГИЯ

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@article{f8f9922010f042b296fd8bf20c90dff9,

title = "The structure of cambrian deposits of the Vilyui hemisyneclise, based on an integrated analysis of drilling and seismic data",

abstract = "We present a model of the stratigraphic and lateral distribution of Cambrian deposits in the Vilyui hemisyneclise, based on an analysis of drilling data and interpretation of seismic data. The study shows a series of formations and sequences penetrated by wells (Syugdzher saddle, Khorgochum monocline, Ygyatta depression, Tyukyan–Chybyda monocline, Arbai–Sinyaya megaswell, etc.). In the areas where the Cambrian was not penetrated by wells, the distribution of Cambrian deposit was inferred based on the available seismic data. The distribution of the Kuonamka Horizon formed by Cambrian organic-rich rocks is characterized in detail. These are the Kumakh and Sinyaya–Kutorgina sequences and the Inikan and Kuonamka formations. It has been found that the Kuonamka Horizon was deposited during two stages, Botomian and Toyonian–early Mayan. The horizon is overlain by younger deposits of the Mayan Stage, with character-istic cross-bedding structures. Schemes of facies zoning of the Cambrian for Botomian, Toyonian–early Mayan, and middle Mayan times were constructed based on the most recent geological and geophysical understanding of the Vilyui hemisyneclise.",

keywords = "Cambrian, Drilling data, Inikan Formation, Kuonamka Formation, Reef buildups, Seismic facies analysis, Time section, Vilyui hemisyneclise",

author = "Gubin, {I. A.} and Kontorovich, {A. E.} and Korovnikov, {I. V.} and Parfenova, {T. M.}",

note = "Funding Information: The study was performed as part of the basic research program (project No. 0331-2019-0018) “Construction of Geological Models and Assessment of Hydrocarbon Potential of the Phanerozoic and Neoproterozoic Sedimentary Complexes of the Lena–Tunguska Petroleum Province for Compilation of Program of Exploration and Licensing of Mineral Resources” and (project No. 0331-2019-0003) “Paleontological and Ecostratigraphic Substantiation of Zonal Stratigraphic Schemes of the Paleozoic of Siberia, Paleogeographic and Biofacies Zoning of Sedimentary Basins.” Publisher Copyright: {\textcopyright} 2021, Novosibirsk State University.",

year = "2021",

doi = "10.2113/RGG20214353",

language = "English",

volume = "62",

pages = "914--928",

journal = "Russian Geology and Geophysics",

issn = "1068-7971",

publisher = "Elsevier Science B.V.",

number = "8",

}

The structure of cambrian deposits of the Vilyui hemisyneclise, based on an integrated analysis of drilling and seismic data. / Gubin, I. A.; Kontorovich, A. E.; Korovnikov, I. V. и др.

В: Russian Geology and Geophysics, Том 62, № 8, 2021, стр. 914-928.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

TY - JOUR

T1 - The structure of cambrian deposits of the Vilyui hemisyneclise, based on an integrated analysis of drilling and seismic data

AU - Gubin, I. A.

AU - Kontorovich, A. E.

AU - Korovnikov, I. V.

AU - Parfenova, T. M.

N1 - Funding Information: The study was performed as part of the basic research program (project No. 0331-2019-0018) “Construction of Geological Models and Assessment of Hydrocarbon Potential of the Phanerozoic and Neoproterozoic Sedimentary Complexes of the Lena–Tunguska Petroleum Province for Compilation of Program of Exploration and Licensing of Mineral Resources” and (project No. 0331-2019-0003) “Paleontological and Ecostratigraphic Substantiation of Zonal Stratigraphic Schemes of the Paleozoic of Siberia, Paleogeographic and Biofacies Zoning of Sedimentary Basins.” Publisher Copyright: © 2021, Novosibirsk State University.

PY - 2021

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N2 - We present a model of the stratigraphic and lateral distribution of Cambrian deposits in the Vilyui hemisyneclise, based on an analysis of drilling data and interpretation of seismic data. The study shows a series of formations and sequences penetrated by wells (Syugdzher saddle, Khorgochum monocline, Ygyatta depression, Tyukyan–Chybyda monocline, Arbai–Sinyaya megaswell, etc.). In the areas where the Cambrian was not penetrated by wells, the distribution of Cambrian deposit was inferred based on the available seismic data. The distribution of the Kuonamka Horizon formed by Cambrian organic-rich rocks is characterized in detail. These are the Kumakh and Sinyaya–Kutorgina sequences and the Inikan and Kuonamka formations. It has been found that the Kuonamka Horizon was deposited during two stages, Botomian and Toyonian–early Mayan. The horizon is overlain by younger deposits of the Mayan Stage, with character-istic cross-bedding structures. Schemes of facies zoning of the Cambrian for Botomian, Toyonian–early Mayan, and middle Mayan times were constructed based on the most recent geological and geophysical understanding of the Vilyui hemisyneclise.

AB - We present a model of the stratigraphic and lateral distribution of Cambrian deposits in the Vilyui hemisyneclise, based on an analysis of drilling data and interpretation of seismic data. The study shows a series of formations and sequences penetrated by wells (Syugdzher saddle, Khorgochum monocline, Ygyatta depression, Tyukyan–Chybyda monocline, Arbai–Sinyaya megaswell, etc.). In the areas where the Cambrian was not penetrated by wells, the distribution of Cambrian deposit was inferred based on the available seismic data. The distribution of the Kuonamka Horizon formed by Cambrian organic-rich rocks is characterized in detail. These are the Kumakh and Sinyaya–Kutorgina sequences and the Inikan and Kuonamka formations. It has been found that the Kuonamka Horizon was deposited during two stages, Botomian and Toyonian–early Mayan. The horizon is overlain by younger deposits of the Mayan Stage, with character-istic cross-bedding structures. Schemes of facies zoning of the Cambrian for Botomian, Toyonian–early Mayan, and middle Mayan times were constructed based on the most recent geological and geophysical understanding of the Vilyui hemisyneclise.

KW - Cambrian

KW - Drilling data

KW - Inikan Formation

KW - Kuonamka Formation

KW - Reef buildups

KW - Seismic facies analysis

KW - Time section

KW - Vilyui hemisyneclise

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