Features of the structure, sedimentary complexes and hydrocarbon systems of the Leno-Vilyui oil and gas basin

Фролов, С. В.; Karnyushina, E.E.; Коробова, Н. И.; Bakay, E. A.; Kurdina, Nadezhda S.; Крылов, О. В.; Tarasenko, Anastasia A.

doi:10.18599/grs.2019.2.13-30

Cited by 9 publications

(3 citation statements)

References 3 publications

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“…В Мало-Ботуобинском районе пласты галита залегают на глубинах 500-600 м. С учетом этого выявленные ореолы битумов являются прямыми признаками залежей нефти в песчаных и трещинно-пластовых карбонатных коллекторах венд-нижнекембрийских горизонтов на глубине до 1,5 -2 км. Что подтверждает перспективы открытия месторождений нефти в регионе [18].…”

Section: рис 3 перспективные на Cu-ni оруденение площади в ыгыаттинск...unclassified

Prospects for the discovery of strategic mineral deposits (Cu, Co, Ni, EPG, Sc, V, Li, REE, Sr, graphite, hydrocarbons) in the diamond-bearing areas of the South of Western Yakutia

Ignatov,

Eremenko,

Tolstov

et al. 2024

Izvestiya Vysshikh Uchebnykh Zavedeniy. Geologiya i Razvedka

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Background. There are prerequisites, signs and manifestations of deposits of strategic types of mineral raw materials Cu, Co, Ni, EPG, Sc, V, REE, hydrocarbons and graphite within the Nakyn, Mirninsky and Syuldyukarsky diamond-bearing fields, which are included, respectively, in the Sredne-Markhinsky, Malo-Botuobinsky and Ygyattinsky districts of the Western Yakut diamond province, there are prerequisites, signs and manifestations of deposits of strategic types of mineral raw materials Cu, Co, Ni, EPG, Sc, V, REE.Aim. To establish the presence of strategic types of minerals in the diamond-bearing regions of Western Yakutia.Materials and methods. The study is based on personal documentation of core and spot samples. ALROSA also provided the results of thousands of XRF analyzes that were systematically selected when drilling exploratory wells for kimberlites. Data processing was carried out according to standard statistical analysis methods using the capabilities of the Excel program. Mapping and maintenance of the digital database was carried out in the Quantum GIS (QGIS) environment.Results. In the Ygyatta district, in the Triassic sills of the Holomolokha intrusion, areas in the rank of potential ore fields of copper-nickel sulfide ores with platinoids of the Norilsk-Talnakh type are localized. In the Late Devonian-carboniferous crust of weathering by kimberlites, there is an ore occurrence of Sc, Co, Ni, V, cerium rare earths. In the Nakyn field, ore occurrences of scandium and manifestations of vanadium and cerium rare earths are localized in the re-deposited weathering crusts of the late Triassic-Early Jurassic age. In the Malo-Botuobinsky district, sites of manifestations of Sc, Si-Ni sulfide mineralization, brown coal, graphite and bitumen as signs of oil deposits, as well as brines with high concentrations of bromine, strontium and lithium were found.Conclusion. The presented data allows us to establish the presence of various types of minerals in different diamond-bearing regions of Western Yakutia and can become the basis for future prospecting work.

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Section: рис 3 перспективные на Cu-ni оруденение площади в ыгыаттинск...unclassified

Prospects for the discovery of strategic mineral deposits (Cu, Co, Ni, EPG, Sc, V, Li, REE, Sr, graphite, hydrocarbons) in the diamond-bearing areas of the South of Western Yakutia

Ignatov,

Eremenko,

Tolstov

et al. 2024

Izvestiya Vysshikh Uchebnykh Zavedeniy. Geologiya i Razvedka

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“…Однако по материалам промыслово-геофизических исследований обе свиты составляют толщу преимущественно грубозернистых терригенных образований аллювиального комплекса Палеовилюя [39], довольно равномерно насыщенных промышленными пластами углей. Мощность нижнемеловых отложений в разрезе Мастахского месторождения составляет 300-500 м. Их кровля в присводовых скважинах совпадает с подошвой ММП.…”

Section: обсуждение результатовunclassified

Search for technogenic deposits under the permafrost-hydrate seal within the Vilyui syneclise

Sivtsev¹,

Rozhin²

2022

SOCAR Proceedings

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The paper considers the possibility of the formation of technogenic gas deposits under the permafrost-hydrate seal. As the most promising object, the upper part of the Mastakh gas condensate field section is justified and considered. By comparing the equilibrium conditions of hydrate formation with the pressure and temperature of the formation, the lower boundary of the permafrost-hydrate seal was determined, which forms a potential trap for the accumulation of gases due to their flows through the well space from deeper horizons of the field section. Based on the results of the conducted studies, maps of the sole of permafrost rocks and the sole of the hydrate formation zone were constructed. The potential volumes of flow gases from the Lower Jurassic deposit to the upper part of the section have been estimated. The necessity of additional study of the upper part of the Khapchagai mega-shaft section is noted both for the search for technogenic gas deposits and for preventing complications and accidents associated with technogenic deposits. Keywords: Khapchagai megashaft of the Vilyui syneclise; behind-thecasing flows; Mastakhskoye field; permafrosthydrate seal; oil and gas potential.

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“…A comparison of the time of their forma tion with the international stratigraphic chart and the general stratigraphic chart, used in the period of time when they were described, is presented in Figure 2. These formations are dom inantly composed of sandstones, layers of interbedded siltstones and mudstones (Frolov et al, 2019). They were formed in continental sedimentation environments.…”

Section: Brief Geological Characteristics Of the Studied Area And Upper Permian Formationsmentioning

confidence: 99%

Advances in Raw Material Industries for Sustainable Development Goals

Litvinenko¹

2020

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Features of the structure, sedimentary complexes and hydrocarbon systems of the Leno-Vilyui oil and gas basin

Cited by 9 publications

References 3 publications

Prospects for the discovery of strategic mineral deposits (Cu, Co, Ni, EPG, Sc, V, Li, REE, Sr, graphite, hydrocarbons) in the diamond-bearing areas of the South of Western Yakutia

Prospects for the discovery of strategic mineral deposits (Cu, Co, Ni, EPG, Sc, V, Li, REE, Sr, graphite, hydrocarbons) in the diamond-bearing areas of the South of Western Yakutia

Search for technogenic deposits under the permafrost-hydrate seal within the Vilyui syneclise

Advances in Raw Material Industries for Sustainable Development Goals

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