THE BERRIASIAN-APTIAN OF THE WESTERN GYDAN PENINSULA (West Siberia): BIOFACIES AND LITHOFACIES MODELS
L.G. Vakulenko1,2, S.V. Ershov1, O.D. Nikolenko1, E.B. Pestchevitskaya1, A.Yu. Popov1,2, P.A. Yan1,2
1Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch of the Russian Academy of Sciences, pr. Akademika Koptyuga 3, Novosibirsk, 630090, Russia
2Novosibirsk State University, ul. Pirogova 1, Novosibirsk, 630090, Russia
Keywords: Lower Cretaceous, sequence stratigraphy, biofacies analysis, lithofacies analysis, northern West Siberia
Abstract
Well logs and core analyses of Berriasian-Aptian petroliferous sediments from the western Gydan Peninsula are used to model their biofacies and lithofacies and to reconstruct the respective sequence stratigraphy. The sedimentological and palynological data, along with logging results, provide constraints on the history of transgressive and regressive events and make a basis for paleogeographic reconstructions for the Lower Cretaceous deposition of reservoir sand beds.
DOI: 10.15372/RGG2019109
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