Geochemical research
| Article # 40_2022 | submitted on 10/05/2022 displayed on website on 11/01/2022 |
| 25 p. | Spiridonov D.A., Nemova V.D., Matyukhina T.A., Astarkin S.V., Shakhov A.S. |
| Characteristics of organic matter contents in bituminous Upper Jurassic rocks of the southwestern and central regions of Western Siberia according to pyrolytic studies results | |
| The paper presents the pyrolytic studies results of bituminous Upper Jurassic various facies core belonging to various poorly studied section types within the southwestern and central regions of Western Siberia. Based on the new obtained data were created and clarified maps of average TOC and the catagenetic maturity stage of the organic matter in the Upper Jurassic strata, determined from calculated values of the vitrinite reflectance index (R0) through the Тмах parameter. Significant changes in autochthonous organic matter compositions of the Upper Jurassic strata within the study area and their relationship with the level of its catagenetic maturity were established. The unique data of the kerogen type and the Mulymya Formation organic matter content from new exploration wells allow us to revise high-carbon Upper Jurassic rocks regional distribution patterns, which contained huge hydrocarbon resources. Keywords: organic matter, Upper Jurassic strata, bituminous rocks, pyrolytic studies, Western Siberia. |
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| article citation | Spiridonov D.A., Nemova V.D., Matyukhina T.A., Astarkin S.V., Shakhov A.S. Kharakteristika organicheskogo veshchestva bituminoznykh verkhneyurskikh porod yugo-zapadnykh i tsentral'nykh rayonov Zapadnoy Sibiri po rezul'tatam piroliticheskikh issledovaniy [Characteristics of organic matter contents in bituminous Upper Jurassic rocks of the southwestern and central regions of Western Siberia according to pyrolytic studies results]. Neftegazovaya Geologiya. Teoriya I Praktika, 2022, vol. 17, no. 4, available at: http://www.ngtp.ru/rub/2022/40_2022.html |
| DOI | https://doi.org/10.17353/2070-5379/40_2022 |
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