Dan'shchikova I.I.

iidanshikova@geo.komisc.ru


Graduated from Syktyvkar State University (2011), specialization “geology”.
Junior Researcher, I.I. Yushkina Institute of Geology of the Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences.
Scientific interest area: oil and gas geology, carbonate rocks, reservoirs, lithology, sedimentation conditions.
Author of 27 publications.
Stratigraphy and lithology
Section editor – PhD in geology and mineralogy Kirichkova A.I.
Article # 32_2020 submitted on 07/29/2020 displayed on website on 09/30/2020
21 p.
pdf Void space structures inside Silurian carbonate rocks of northeast Timan-Pechora petroleum province
This work presents the results of a comprehensive study of the structure of the void space of low-capacity Silurian carbonate reservoires in the northeastern regions of Timan-Pechora petroleum province. The morphology of void spaces is shown, the porous medium and channels are described and their relationship with each other. The conducted research shows the complex multicomponent nature of the reservoir void spaces due to the presence of various types of voids: primary matrix intercrystalline and interform porosity, secondary micro- and macrocavernosity and fracture providing void spaces. Their typification will allow a differentiated approach to the assessment of oil and gas reserves and create a detailed geological basis for the design of a rational development system.

Keywords: reservoir void space, matrix porosity, microfracture, Silurian carbonate rock, Timan-Pechora petroleum province.
article citation Dan'shchikova I.I., Maydl' T.V., Zhuravlev A.V., Ryazanov K.P. Struktura pustotnogo prostranstva v siluriyskikh karbonatnykh porodakh severo-vostoka Timano-Pechorskoy provintsii [Void space structures inside Silurian carbonate rocks of northeast Timan-Pechora petroleum province]. Neftegazovaya Geologiya. Teoriya I Praktika, 2020, vol. 15, no. 3, available at: http://www.ngtp.ru/rub/2020/32_2020.html
DOI https://doi.org/10.17353/2070-5379/32_2020
References
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   Dan'shchikova I.I., Maydl' T.V. Litologo-fatsial'naya kharakteristika grebenskogo gorizonta Tal'beyskogo bloka (gryada Chernysheva) [Lithologic-facial characteristics of the Greben level of the Talbey block (Chernyshev ridge)]. Geodinamika, veshchestvo, rudogenez Vostochno-Evropeyskoy platformy i ee skladchatogo obramleniya: materialy Vserossiyskoy nauchnoy konferentsii s mezhdunarodnym uchastiem. Syktyvkar: IG Komi NTs UrO RAN, 2017, pp.67-69.
   Danshikova I.I., Maydl T.V. Usloviya formirovaniya porod-kollektorov siluriyskikh otlozheniy tsentral'noy chasti gryady Chernysheva [Formation genesis of Silurian reservoirs belonging to the central part of the Chernyshev Ridge]. Neftegazovaya Geologiya. Teoriya I Praktika, 2019, vol. 14, no. 2, available at: http://www.ngtp.ru/rub/2019/20_2019.html. DOI: https://doi.org/10.17353/2070-5379/20_2019
   Danshikova I.I., Maydl T.V., Mityusheva Т.P. Epigeneticheskie izmeneniya karbonatnykh porod i ikh svyaz' s khimicheskim sostavom vody v verkhneordoviksko-nizhnedevonskom neftegazonosnom komplekse gryady Chernysheva i vostochnogo borta Khoreyverskoy vpadiny [Carbonate rocks epigenetic changes and their connection with chemical composition water of Upper Ordovician-Lower Devonian petroleum bearing area of the Chernyshev Ridge and eastern side of the Khoreyver Depression]. Neftegazovaya Geologiya. Teoriya I Praktika, 2019, vol. 14, no. 4, available at: http://www.ngtp.ru/rub/2019/44_2019.html. DOI: https://doi.org/10.17353/2070-5379/44_2019
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   Wilson M.E. Global and regional influences on equatorial shallowmarine carbonates during the Cenozoic. Palaeogeography, Palaeoclimatology, Palaeoecology, 2008, vol. 265, issue 3-4, pp. 262-274. DOI: https://doi.org/10.1016/j.palaeo.2008.05.012
   Yudovich Ya.E. Regional'naya geokhimiya osadochnykh tolshch [Regional geochemistry of sedimentary formations]. Leningrad: Nauka, 1981, 276 p.
Regional petroleum geology
Section editor – PhD in geology and mineralogy Makarevich V.N.
Article # 44_2019 submitted on 10/16/2019 displayed on website on 12/19/2019
20 p.
pdf Carbonate rocks epigenetic changes and their connection with chemical composition water of Upper Ordovician-Lower Devonian petroleum bearing area of the Chernyshev Ridge and eastern side of the Khoreyver Depression
We presented results of a complex interpretation of core material and chemical composition of waters for Lower Paleozoic (O3-D1) section of the junction zone of the Khoreyver Depression and Chernyshev Ridge. We for the first time discussed influence of Cl-Na and Cl–Na–Ca brines on carbonate, carbonate-sulfate rocks and the processes of formation of new minerals in the O3-D1 reservoir of the petroleum bearing area. The calculations of degree of water saturation with respect to carbonate and sulfate minerals and their comparison with catagenetic mineralization allowed and show main reasons for the formation of mineral new structures. As a result, additional data were obtained that contributed to the prediction of the reservoir properties of the Lower Paleozoic carbonate section in the northeastern part of the Timan-Pechora petroleum province.

Keywords: carbonate and carbonate-sulfate rocks, post-sedimentation changes, formation water, brines, Chernyshev Ridge, Khoreyver Depression, Timan-Pechora petroleum province.
article citation Danshikova I.I., Maydl T.V., Mityusheva Т.P. Epigeneticheskie izmeneniya karbonatnykh porod i ikh svyaz' s khimicheskim sostavom vody v verkhneordoviksko-nizhnedevonskom neftegazonosnom komplekse gryady Chernysheva i vostochnogo borta Khoreyverskoy vpadiny [Carbonate rocks epigenetic changes and their connection with chemical composition water of Upper Ordovician-Lower Devonian petroleum bearing area of the Chernyshev Ridge and eastern side of the Khoreyver Depression]. Neftegazovaya Geologiya. Teoriya I Praktika, 2019, vol. 14, no. 4, available at: http://www.ngtp.ru/rub/2019/44_2019.html
DOI https://doi.org/10.17353/2070-5379/44_2019
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   Dan'shchikova I.I. Kharakteristika postsedimentatsionnykh protsessov v siluriyskikh karbonatnykh otlozheniyakh severnoy chasti gryady Chernysheva (Tal'beyskiy blok) [Description of post-sedimentation processes in Silurian carbonate sequences of the northern part of Chernyshev's ridge (Talbei block)] Geologiya i mineral'nye resursy Evropeyskogo Severo-Vostoka Rossii: materialy XVI Geologicheskogo s"ezda RK, Syktyvkar: IG Komi NTs UrO RAN, 2014, vol. II, pp. 241-242.
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Stratigraphy and lithology
Section editor – PhD in geology and mineralogy Kirichkova A.I.
Article # 20_2019 submitted on 05/17/2019 displayed on website on 06/28/2019
21 p.
pdf Formation genesis of Silurian reservoirs belonging to the central part of the Chernyshev Ridge
The lithology of Silurian rocks, poorly studied by drilling in the area of strong dislocations occuring in the central part of the Chernyshev Ridge (Timan-Pechora petroleum basin) was investigated. The methods of the litho-facial analysis, analysis of the GIS data, and petrophysical analysis were used. The facial model according to which the territory of the central part of Chernyshev Ridge in Silurian time was located in a border area between tough Bolshezemlya and plastic Kosyyu-Rogov base blocks and can be carried to situations of a ramp slope of the Bolshezemlya raising is proposed. Predictabilities of deposits formation are compared with features of the reservoir volumetric capacity. The most part of the studied samples of a core are characterized by low reservoir properties. The most perspective for formation of reservoir are the facies of carbonate shallows zones with a high share of primary porosity having the best collector properties.

Keywords: facial model, Silurian rock, sedimentation conditions, reservoir, Chernyshev Ridge, Timan-Pechora petroleum basin.
article citation Danshikova I.I., Maydl T.V. Usloviya formirovaniya porod-kollektorov siluriyskikh otlozheniy tsentral'noy chasti gryady Chernysheva [Formation genesis of Silurian reservoirs belonging to the central part of the Chernyshev Ridge]. Neftegazovaya Geologiya. Teoriya I Praktika, 2019, vol. 14, no. 2, available at: http://www.ngtp.ru/rub/2019/20_2019.html
DOI https://doi.org/10.17353/2070-5379/20_2019
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Stratigraphy and lithology
Section editor – PhD in geology and mineralogy Kirichkova A.I.
Article # 5_2017 submitted on 10/06/2016 displayed on website on 02/22/2017
15 p.
pdf  Micromorphology of the free spacees of the carbonate reservoirs of the north of Timan-Pechora Basin
The article presents the results of studying the structure of the Middle Ordovician-Lower Devonian carbonate complex in the north of the Timan-Pechora Basin. We examined the reservoir properties of the rocks by means of X-ray tomography, scanning electron microscopy, lithological and petrophysical method. We described of the porosity of the Silurian-Devonian deposits.

Keywords: computed microtomography, carbonate rocks, porosity, permeability, deposits of low-permeability reservoirs, Timan-Pechora Basin.
article citation Danshikova I.I., Maydl T.V., Zhuravlev A.V., Statsenko E.O., Filippov V.N. Mikromorfologiya pustotnogo prostranstva v karbonatnykh kollektorakh na severe Timano-Pechorskoy provintsii [Micromorphology of the free spacees of the carbonate reservoirs of the north of Timan-Pechora Basin]. Neftegazovaya Geologiya. Teoriya I Praktika, 2017, vol. 12, no. 1, available at: http://www.ngtp.ru/rub/2/5_2017.pdf
DOI https://doi.org/10.17353/2070-5379/5_2017
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