Conditions of formation and forecast of natural reservoirs in clinoform complex of the Lower Cretaceous of the Barents-Kara shelf

Unique Leningradsky and Rusanovsky gascondensate fields in the Barrem-Cenomanian layer are discovered in the Kara Sea. Non-industrial accumulations of oil and gas have been discovered in the Lower Cretaceous sediments of the western part of the Barents Sea shelf. However, the structure and oil and g...

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Bibliographic Details
Published in:Georesursy
Main Authors: A.V. Mordasova, A.B. Stoupakova, A.A. Suslova, D.K. Ershova, S.A. Sidorenko
Format: Article in Journal/Newspaper
Language:English
Russian
Published: Georesursy Ltd. 2019
Subjects:
Barents-Kara shelf
Cretaceous sediments
seismic stratigraphic analysis
clinoform
cyclite
disagreement
surface flooding
paleogeography
natural reservoir
Geology
QE1-996.5
Barents Sea
Kara Sea
Online Access:https://doi.org/10.18599/grs.2019.2.63-79
https://doaj.org/article/053749f62df143d59626e5bb2cdd8504
Description
Summary:Unique Leningradsky and Rusanovsky gascondensate fields in the Barrem-Cenomanian layer are discovered in the Kara Sea. Non-industrial accumulations of oil and gas have been discovered in the Lower Cretaceous sediments of the western part of the Barents Sea shelf. However, the structure and oil and gas potential of the Lower Cretaceous sediments of the Barents-Kara shelf remain unexplored. Based on the seismic-stratigraphic and cyclostratigraphic analysis, a regional geological model of the Lower Cretaceous deposits of the Barents-Kara shelf was created, the distribution area and the main stages of the accumulation of clinoforms were identified. As a result of a detailed analysis of the morphology of clinoform bodies, paleogeographic conditions were restored in the Early Cretaceous and a forecast of the distribution of sandy reservoirs was given

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