Regional petroleum geology
| Article # 45_2023 | submitted on 11/21/2023 displayed on website on 12/11/2023 |
| 16 p. | Kontorovich V.A., Ayunova D.V., Ibragimova S.M., Kalinin A.Yu., Kalinina L.M., Solov'ev M.V. |
| Model of geological structure and prospects of petroleum bearing North Kara sedimentary basin | |
| Based on a comprehensive interpretation of seismic survey analyses and geological data on the islands and continental margin of Siberia, a model of the geological structure of the North Kara sedimentary basin is considered, and its seismostratigraphic and structural-tectonic characteristics are given. It is concluded that for most of the basin the sedimentary cover is composed of Paleozoic strata from the Cambrian to the Permian inclusive, the thickness of which in depression zones reaches 13-14 km. The thickness of Mesozoic cover in most of the basin does not exceed 1 km; in the north-west, where the North Kara basin borders the Barents Sea, the thickness of Mesozoic sedimentary rocks increases to 5-6 km, and here Paleozoic, Triassic, Jurassic and Cretaceous seismogeological intricate structures are distinguished in the sedimentary cover. In terms of oil and gas, the North Kara sedimentary basin is identified as part of the promising petroleum province of the same name, which has high potential from seismostratigraphic and structural-tectonic points of view. In the structural plans of various stratigraphic levels, large depressions and uplifts are developed, which can be associated with zones of oil and gas formation and accumulation; in various sedimentary structures from the Cambrian to the Jurassic inclusive, anticlinal and complex traps are identified - petroleum promising objects. Keywords: sedimentary cover, Paleozoic, Mesozoic, seismic stratigraphy, seismic geological structure, structural and tectonic characteristics, petroleum province, petroleum promising object, North Kara sedimentary basin. |
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| article citation | Kontorovich V.A., Ayunova D.V., Ibragimova S.M., Kalinin A.Yu., Kalinina L.M., Solov'ev M.V. Model' geologicheskogo stroeniya i perspektivy neftegazonosnosti Severo-Karskogo osadochnogo basseyna [Model of geological structure and prospects of petroleum bearing North Kara sedimentary basin]. Neftegazovaya Geologiya. Teoriya I Praktika, 2023, vol. 18, no. 4, available at: http://www.ngtp.ru/rub/2023/45_2023.html EDN: KLCVZD |
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