Stratigraphy and lithology
Section editor – PhD in geology and mineralogy Kirichkova A.I.
| Article # 32_2019 | submitted on 07/24/2019 displayed on website on 09/05/2019 |
| 24 p. | Gruzdev D.A., Kotik I.S., Vevel Ya.A., Zhuravlev A.V., Kotik O.S. |
| Lithofacial characteristics and organic matter geochemistry of the Devonian-Carboniferous section оf folded and thrust belt area of the Kosyu-Rogov Depression southeastern part (using Levogrubeyu-1 well data as reference source) | |
| The results of study of the Middle-Upper Palaeozoic bioherm-shoal association in the east of the Timan-Pechora petroleum Basin (based on the Levogrubeyu-1 well description) are presented. The core lithological study allows distinguishing the facial analogues with the succession types of the Bolshaya Nadota carbonate association. It is supposed that the bioherm-shoal association demonstrates similar architecture along the all shelf border. Foraminifera and Conodont studies allow as to improve the biostratigraphic subdivision of the succession discovered by the borehole. The geochemical investigations reveal that the Devonian-Carboniferous rocks in the core samples disclose low hydrocarbon generation potential. On the other hand high hydrocarbon potential is supposed for the clayey-carbonate units of Middle-Late Frasnian age. Rock-Eval pyrolysis and the Conodont Alteration Index indicate a high level maturity of organic matter corresponding to the main gas generation zone (Ro > 1.5 %). Keywords: lithofacial study, organic matter, hydrocarbons, Upper Palaeozoic, Kosyu-Rogov Depression, Timan-Pechora petroleum basin. |
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| article citation | Gruzdev D.A., Kotik I.S., Vevel Ya.A., Zhuravlev A.V., Kotik O.S., Priymak P.I. Litologo-fatsial'naya kharakteristika i geokhimiya organicheskogo veshchestva devonsko-kamennougol'nykh otlozheniy skladchato-nadvigovoy zony yugo-vostoka Kos'yu-Rogovskoy vpadiny (po dannym skvazhiny Levogrubeyuskaya-1) [Lithofacial characteristics and organic matter geochemistry of the Devonian-Carboniferous section оf folded and thrust belt area of the Kosyu-Rogov Depression southeastern part (using Levogrubeyu-1 well data as reference source)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2019, vol. 14, no. 3, available at: http://www.ngtp.ru/rub/2019/32_2019.html |
| DOI | https://doi.org/10.17353/2070-5379/32_2019 |
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Khant D. Geologiya i geokhimiya nefti i gaza [Geology and oil and gas geochemistry]. Moscow: Mir, 1982, 703 p.
Peters K.E. Guidelines for evaluating petroleum source rock using programmed pyrolysis. Am. Assoc. Petrol. Geol. Bull., 1986, vol. 70, pp.318–329.
Peters K.E., Cassa M.R. Applied sourse rock geochemistry / The petroleum system – from source to trap. AAPG Memoir 60. Tulsa, Oklahoma, U.S.A, 1994, pp. 93–117. Prishchepa O.M., Bogatskiy V.I., Makarevich V.N., Chumakova O.V., Nikonov N.I., Kuranov A.V., Bogdanov M.M. Novye predstavleniya o tektonicheskom i neftegazogeologicheskom rayonirovanii Timano-Pechorskoy neftegazonosnoy provintsii [The Timan-Pechora oil-bearing province – new tectonical insight]. Neftegazovaya Geologiya. Teoriya I Praktika, 2011, vol. 6, no. 4, available at: http://www.ngtp.ru/rub/4/40_2011.pdf
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Skompski S., Paszkowski M., Krobicki M., Kokovin K., Korn D., Tomas A. & Wrzolek T. Depositional setting of the Devonian/Carboniferous biohermal Bol'shaya Nadota Carbonate Complex, Subpolar Urals. Acta Geologica Polonica, 2001, no. 3, pp. 217-235.
Spravochnik po geokhimii nefti i gaza [Handbook of oil and gas geochemistry]. St. Petersburg: Nedra, 1998, 576 p.
Yudin V.V. Orogenez severa Urala i Pay-Khoya [Orogenesis of North Urals and Pay-Khoy]. RAN, Ural. otd-nie, Komi nauch. tsentr, In-t geologii, Ekaterinburg: Nauka, 1994, 284 p.
Zhukova T.V., Petrenko E.L. Stroenie i perspektivy ranne-sredne-pozdnedevonskogo rifa v skv. 1-Levogrubeyuskaya [The structure and prospects concerning the Early-Middle-Late Devonian reef in the well 1-Levogrubeyu]. Geologiya rifov: materialy Vserossiyskogo litologicheskogo soveshchaniya. Syktyvkar: IG Komi NTs UrO RAN, 2015, pp. 45-47.
Zhuravlev A.V. Otsenka stepeni termal'nogo katageneza paleozoyskikh otlozheniy severa Pay-Khoyskogo paravtokhtona po indeksam okraski konodontov [Estimation of Palaeozoic sedimentary rocks thermal maturity of Northern Pay-Khoy parautochthone on the basis of Conodont colour alteration index]. Litosfera, 2017, no. 1, pp. 44–52.
Zhuravlev A.V. Sedimentatsionnaya model' oblasti sochleneniya Eletskoy i Lemvinskoy formatsionnykh zon Pripolyarnogo Urala v pogranichnom devonsko-kamennougol'nom intervale [Sedimentation model of the transitional zone from the Elets to Lemva formation belts (Devonian-Carboniferous boundary, Cis-Polar Urals)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2012, vol. 7, no. 4, available at: http://www.ngtp.ru/rub/2/59_2012.pdf