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Title: HYDROGEOCHEMICAL CHARACTERIZATION OF CARBONATE OIL DEPOSITS: INSIGHTS INTO IONIC COMPOSITION, FRACTURING AND CONNECTIVITY
HYDROGEOCHEMICAL CHARACTERIZATION OF CARBONATE OIL DEPOSITS: INSIGHTS INTO IONIC COMPOSITION, FRACTURING AND CONNECTIVITY

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Maria Shipaeva; Kamilya Talipova; Nil Fakhriev; Vladislav Sudakov
10.5593/sgem2024/1.1/s06.74
10.5593/sgem2024/1.1
1314-2704
978-619-7603-67-5
English
24
1.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
6.Oil and Gas Exploration
In this work, the ionic composition of formation water of three oil deposits (C2vr, C2b, C1pr) was studied. The study of these deposits holds both practical and scientific interest. Due to their complex geological structure, they are difficult to develop. Productive deposits are characterized by the presence of widespread unconsolidated zones with high vertical and horizontal fracturing, high layered heterogeneity, the absence of significant regional reservoir-seal rock, and difficulties in cross-well section correlation. The close position of the Oil-Water Contact (OWC) and the high degree of fracturing contribute to the rapid watering of production wells.
Reservoir brines are characterized by an unusual hydrogeological composition: this is a significantly lower mineralization (30 g/l) of C2b and C1pr deposits instead of 250 g/l in comparison with brines of the same age in neighboring areas. We found the different ratio of the main ions, a lower position of the upper boundary of the zone of distribution of calcium chloride-type brines, lower content microcomponents.
In the work, the ionic composition of about 200 brine samples of the deposits was studied. Mass concentrations of six macrocomponents: HCO3-, SO42-, Cl-, Ca2+, Mg2+, Na+K+—were determined, along with measurements of TDS, acidity, and density of formation waters. Based on the results of the analysis, the features of the hydrogeochemical properties within the carbonate deposits were established. Zones of hydrodynamic connectivity of the deposits with each other have been identified. New fractures were found. The results obtained are recommended to be used for identifying the water source in case of well interventions.
[1] Alexeev, S.V., Alexeeva, L.P., Vakhromeev, A.G. Brines of the Siberian platform (Russia): Geochemistry and processing prospects, Applied Geochemistry, 2020. DOI: 10.1016/j.apgeochem.2020.104588.
[2] Bazarevskaya, V.G., Dulaeva, E.N., Lykov, G.A., Martynov, A.N., Galimov, I.F., Akhmetshina, A.S., Determination of fracturing of Bashkirian and Serpukhovian sediments in Romashkinskoye field deposits 301-303. Methods analysis and integration, 2015. ISSN: 0028-2448.
[3] Guskov, D.V., Galimov, I.F. Features of oil-bearing carbonate reservoirs of Kuakbash swell (belonging to the Romashkino field) related with flooding process of producing wells. Petroleum Geology - Theoretical and Applied Studies, 2012, vol.7, no.4, pp. 9-28.
[4] Karcev, A. A., Vagin, S. B., Matusevich, V. M. Hydrogeology of Oil- and Gas-Bearing Basins. Moscow, Nedra Publ., 1986, 224 p.
[5] Khisamov R.S., Gatiyatullin N.S., Ibragimov R.L., Pokrovsky V.A. Hydrogeological conditions of oil fields of Tatarstan. «Fan». Kazan, 2009.
[6] Kolchugin, A., Morozov, V.P., Korolev, E., Eskin, A., Gazeeva, F.M., Typical sections of Bashkirian carbonate rocks and structure of oil deposits in southeast part of the Republic of Tatarstan. 2013, Neftyanoe khozyaystvo - Oil Industry, pp. 84-86.
[7] Kovalev, V. S. Determination of fracturing of carbonate reservoir A4, Kuleshov field, Tr. Giprovostokneft’, 1965, vol. 9, p. 95-52.
[8] Mingazov, M.N., Ibragimov, R.L., Karimov, M.Z., Khvoronova, T.N., Strizhenok, A.A., Anoshina, M.M. Specification of geological structure of Kuakbashskiy bank on the basis of a complex of searches. 2007, Neftyanoe khozyaystvo, pp. 25-29.
[9] Renpu Wan, Advanced Well Completion Engineering (Third Edition) 2011, pp. 1-74. DOI: 10.1016/B978-0-12-385868-9.00001-4
[10] Shajdullin, R. G., Gus'kov, D. V. Model of fracture formation in carbonate massive of 302, 303 oil deposits of Romashkin field, Georesursy, 2007, no.4, pp. 4-17.
[11] Shipaeva, M. S., Nurgaliev, D. K., Sudakov, V. A., Shakirov, A. A., Ganiev, B. G., and A. A. Lutfullin, Flow Profile Evaluation in Producer Wells by Geochemical Studies of Oil and Water and Analysis of Anomalies Associated with Deep Fault Zones, 2023. DOI: 10.2118/216170-MS
[12] Sulin, V. A. Waters of petroleum formations in the system of natural water. 1946. Gostoptekhiz-dat, Moscow (in Russian), 3596.
[13] Zinina, I.A., Andronov, S.N., Kurochkin, B.M. Opening of a productive formation with zones of high-intensity circulation loss in wells of 301-303 deposits of Romashkinsky field. Construction of oil and gas wells on land and sea, 2013, no.4, pp. 29-32.
This work was supported by the Ministry of Science and Higher Education of the Russian Federation under agreement No. 075-15-2022-299 within the framework of the development program for a world-class Research Center “Efficient development of the global liquid hydrocarbon reserves”.
conference
https://doi.org/10.5593/sgem2024/1.1/s06.74
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Proceedings of 24th International Multidisciplinary Scientific GeoConference SGEM 2024
24th International Multidisciplinary Scientific GeoConference SGEM 2024, 1 - 7 July, 2024
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
591-598
1 - 7 July, 2024
website
9902
watercut, ionic composition, carbonate reservoirs, fracturing, connectivity

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