Key words: lenticular structure, correlation, depositional environment, BU161-4-BU171-2 formation units.
The Vostochno-Urengoiskoye field has a complex geologic architecture. The paper presents the methodology of building the model of BU161-4-BU171-2. Integrated approach to the study of Valanginian interior architecture provided more accurate and reasonable mapping of the structure of the formations under study, identifying of their lenticular structure, determining of boundaries of lens-shaped bodies using seismic sections, paleotectonical maps and well data, and also three-dimensional distribution of sand bodies.
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