Neftyanaya Provintsiya
electronic peer-reviewed scholarly publication
Neftyanaya provintsiya No. 2(42), 2025
On necessity of studying facies variability in mature oil fields
V.A. Dekhtyarev
DOI: https://doi.org/10.25689/NP.2025.2.1-20
V.A. Dekhtyarev
DOI: https://doi.org/10.25689/NP.2025.2.1-20
Abstract
Special attention is given to methods of facies prediction, their interaction and distribution based on the integrated core data analysis and digital tools as applied to an area in a mature field. These methods improve accuracy of geological modeling and analyze the effect of facies variability on hydrocarbon recovery efficiency. The analytical methods described in this paper rely primarily on the validity of conceptual understanding of subsurface geology and its effect on crude oil production within various facies zones.
Preliminary analysis of reservoir potential productivity within various facies zones has been performed, as well as assumptions on their heterogeneity in terms of fluid flowing within the identified geological bodies have been made. The study underscores the need to integrate sedimentological, petrophysical, and dynamic data to optimize development strategies for structurally complex reservoirs.
Key words:
lithofacies variability, geological model, core analysis, field development, well grid, lateral heterogeneity, well placement
References
2. Proshlyakov B.K., Kuznetsov B.G. Litologiya i litologo-facialnyj analiz [Lithology and facies analysis]. Moscow, Nedra Publ., 1981, 284 p. (in Russian)
3. Belozerov V.B. Lovushki nefti i gaza, modelirovanie zalezhej uglevodorodov [Oil and gas traps, reservoir modeling]. Tomsk, 2011, 142 p. (in Russian)
4. Chernova O.S. Nauchnye osnovy postroeniya geostaticheskih modelej i geometrizaciya yursko-melovyh prirodnyh rezervuarov Zapadnoj Sibiri na baze petrofizicheskih i sedimentologicheskih issledovanij kerna [Scientific base for geostatic modeling, geometrizing Jurassic-Cretaceous reservoirs in Western Siberia based on petrophysical and sedimentological core analysis]. 25.00.16. National Research Tomsk Polytechnic University, Tomsk, 2018, 522 p. (in Russian)
5. Korovin M.O. Primenenie effektov anizotropii pronicaemosti v gidrodinamicheskoj modeli na primere terrigennogo kollektora plasta YU1m [Use of permeability anisotropy effects in dynamic models: case study of YU1m terrigenous reservoir]. Nauki o Zemle [Geoscience], 2022, No.2, pp. 325-332 (in Russian)
6. Nikonov A.I. Problemy nesovershenstva geologicheskih modelej i optimizacii razrabotki mestorozhdenij UV i podzemnyh hranilishch gaza [Problems of geological model imperfection and optimization of field development and underground gas storage]. Geo-Sibir, 2006, No. 1, 10 p. (in Russian)
7. Junwei Zhao. Research on meandering river reservoir deposition architecture and 3D modeling of the Gudao Oil field in the Bohai Bay Basin/ Junwei Zhao, Huaimin Xu, Gongyang Chen, Cui He, Dali Yue, Shenghe Wu, Lifeng Wen// Journal of Petroleum Exploration and Production Technology, 2018, No.8, pp.73-83
8. Xie Pengfei. Distribution of remaining oil based on a single sand body analysis: a case study of Xingbei Oilfield / Xie Pengfei, Yin Yanshu, Li Weiqiang, Li Feng, Zhao Lei // Journal of Petroleum Exploration and Production Technology, 2018, No.8, pp.1159-1167
9. Silantev V.V., et al. Vizejskie terrigennye otlozheniya YUzhno-Tatarskogo svoda (Volgo-Uralskaya neftegazonosnaya provinciya) – raznofacialnoe zapolnenie zakarstovannoj poverhnosti turnejskoj izolirovannoj karbonatnoj platformy [Visean terrigenous sediments of the South Tatar arch (Volga-Urals oil and gas province): multi-facies filling of the karst surface of the Tournaissian isolated carbonate platform]. Georesursy [Georesources], 2023, Vol.25, No.4, pp. 3-28 (in Russian)
Authors
V.A. Dekhtyarev, Head of the Department of Geology and Geological Modeling at the TatNIPIneft Institute of PJSC Tatneft
88, Telman Str., Almetyevsk, 423451, Russian Federation
E-mail: DekhtyarevVA@tatneft.ru
For citation:
V.A. Dekhtyarev O neobkhodimosti issledovaniya fatsial'noy izmenchivosti kollektorov na pozdney stadii razrabotki mestorozhdeniy [On necessity of studying facies variability in mature oil fields]. Neftyanaya Provintsiya, No. 2(42), 2025. pp. 1-20. DOI https://doi.org/10.25689/NP.2025.2.1-20. EDN ZQVKLI (in Russian)
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