Morphometric Approach to Quantitative Assessment of Thickness of Sediments Meandering Paleochannels of the Tyumen Formation of the West Siberian Oil and Gas Basin
https://doi.org/10.18599/grs.2024.3.15
Abstract
The article is devoted to implementation of morphometric analysis in process of qualitative and quantitative dynamic interpretation of seismic data. Essence of new approach is to predict reservoir capacity of channel genesis based on established dependencies between parameters “width of channel formation belt” and “thickness of channel deposits”. Interpretation of meandering river system demonstrates on example of one productive interval identified in the Tyumen formation. This article presents three variants of dependencies, two of which are the author’s and published for the first time. Authors have developed a program code in Python to automate morphometric analysis. Ranges of values predicted on basis of dependencies are correlated with results of quantitative dynamic analysis performed by inversion transformations, as well as with general ideas about sediment thickness of both modern river systems and paleosystems in geological formations of different ages.
Keywords
Tyumen formation,
morphometric analysis,
meandering paleochannels,
channel formation belt,
forecast of paleochannel sediments thickness,
Khanty-Mansi Autonomous Okrug
Supporting agencies: Authors express their gratitude to reviewers for valuable comments and suggestions that contributed to improving the work.
About the Authors
T. V. Olneva
Gazpromneft Group of Companies
Russian Federation
Russian Federation
Tatyana V. Olneva – Dr. Sci. (Geology and Mineralogy), Leading expert on seismic and geological interpretatio
3–5 Pochtamtskaya str., St. Petersburg, 190000
M. Yu. Oreshkova
Empress Catherine II Saint Petersburg Mining University
Russian Federation
Russian Federation
Maria Yu. Oreshkova – Postgraduate student, Department of Geophysics
21 Line, 2 Vasilevsky Island, St. Petersburg, 199106
A. V. Butorin
Gazpromneft Group of Companies; St. Petersburg State University
Russian Federation
Russian Federation
Alexandr V. Butorin – Cand. Sci. (Geology and Mineralogy), Associate Professor; Head of seismic discipline
3–5 Pochtamtskaya str., St. Petersburg, 190000
A. S. Egorov
Empress Catherine II Saint Petersburg Mining University
Russian Federation
Russian Federation
Alexey S. Egorov – Dr. Sci. (Geology and Mineralogy), Professor, Head of the Department of Geophysics
21 Line, 2 Vasilevsky Island, St. Petersburg, 199
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Review
For citations:
Olneva T.V., Oreshkova M.Yu., Butorin A.V., Egorov A.S. Morphometric Approach to Quantitative Assessment of Thickness of Sediments Meandering Paleochannels of the Tyumen Formation of the West Siberian Oil and Gas Basin. Georesursy = Georesources. 2024;26(3):143-150. (In Russ.) https://doi.org/10.18599/grs.2024.3.15
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