Methodological approach to predicting oil and gas occurrence in the Chkalov field (Tomsk region) according to comprehensive interpretation of geological and geophysical information
https://doi.org/10.18303/2619-1563-2025-1-78
Abstract
We present a methodological approach to predicting oil and gas occurrence by the example of the Chkalov field, which is located in the southeast of the West Siberian petroleum basin. The M bed of the Paleozoic weathering crust and the Yu11 bed of the Upper Jurassic Vasyugan Formation contain oil and gas accumulations. Hydrocarbon traps were already formed during the Jurassic stage of the development of the basin. Throughout geological history, the structures remained closed, changing their shape and amplitude insignificantly. According to the comprehensive interpretation of seismic exploration and deep drilling data and basin modeling technology, oil and gas accumulations, as well as a number of prospective oil and gas traps, have been identified. Structural, lithological, and tectonic factors provide hydrocarbon trapping.
Supporting agencies: The work was supported by the Project “Digital geological, geophysical and petrophysical models of sedimentary deposits with hard-to-recover oil reserves in Western and Eastern Siberia as fund for extension of reserves and production”, project number FWZZ-2022-0012.
About the Authors
M. O. Fedorovich
Trofimuk Institute of Petroleum Geology and Geophysics, SB RAS
Russian Federation
Russian Federation
Marina O. Fedorovich
Koptyug Ave., 3, Novosibirsk, 630090
A. Y. Kosmacheva
Trofimuk Institute of Petroleum Geology and Geophysics, SB RAS
Russian Federation
Russian Federation
Alina Yu. Kosmacheva
Koptyug Ave., 3, Novosibirsk, 630090
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Review
For citations:
Fedorovich M.O., Kosmacheva A.Y. Methodological approach to predicting oil and gas occurrence in the Chkalov field (Tomsk region) according to comprehensive interpretation of geological and geophysical information. Russian Journal of Geophysical Technologies. 2025;(1):78-90. (In Russ.) https://doi.org/10.18303/2619-1563-2025-1-78
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