Zagranovskaya D.E.
Zagranovskaya.DE@gazpromneft-ntc.ru
Graduated from the Ivano-Frankivsk Institute of Oil and Gas (1991), specialization "oil and gas geology".Candidate of Geological and Mineralogical Sciences.
Expert of Gazpromneft Scientific and Technical Center LLC, St. Petersburg.
Area of scientific interests: geology of unconventional reservoirs and hard-to-recover reserves..
Author of 57 publications and 2 patents.
Stratigraphy and lithology
| Article # 2_2024 | submitted on 02/27/2024 displayed on website on 03/15/2024 |
| 14 p. | Zagranovskaya D.E., Korobov A.D. |
| Changes in the structure of void spaces in Jurassic strata under conditions of hydrothermal alteration on the Krasnoleninsk Arch, West Siberian basin | |
| As a result of studies of the Bazhenov Formation prospects, underestimated reservoir properties were revealed in the Tyumen Formation sandstones; and in the basal level overlying the basement rocks or weathering crust, the porosity and permeability properties are increased. Petrographic observations, confirmed by X-ray studies, showed the sealing of the intergranular spaces of the Tyumen Formation sandstones, manifested by the regeneration of quartz and leaching products, such as silica minerals, and less commonly, sulfates and carbonates, which occurred as a result of the hydrothermal alteration. The leaching processes took place in the underlying strata – the basal level and basement rocks as a result of the dissolution of unstable minerals and the removal of mineral matter, forming intergranular and intercrystal porosity. The processes of conductive and convective heat and mass transfer in the overlying promising Bazhenov Formation are confirmed not only by the transformation of organic matter but also by secondary dolomitization. Keywords: Tyumen Formation, Bazhenov Formation, basal level, basement rocks, secondary processes, hydrothermal solution, conductive and convective heat and mass transfer, Krasnoleninsk Arh, West Siberian basin. |
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| article citation | Zagranovskaya D.E., Korobov A.D. Izmenenie struktury pustotnogo prostranstva v yurskikh otlozheniyakh v usloviyakh gidrotermal'noi prorabotki na territorii krasnoleninskogo svoda Zapadno-Sibirskogo basseina changes in [Changes in the structure of void spaces in Jurassic strata under conditions of hydrothermal alteration on the Krasnoleninsk Arch, West Siberian basin]. Neftegazovaya Geologiya. Teoriya I Praktika, 2024, vol. 19, no. 1, available at: http://www.ngtp.ru/rub/2024/1_2024.html. EDN: BDIWMG |
References
Grabovskaya F.R., Zhukov V.V., Zagranovskaya D.E. Stroenie i usloviya formirovaniya bazhenovskogo gorizonta Pal'yanovskoi ploshchadi Zapadnoi Sibiri [Structure and formation conditions of the Bazhenov Formation in the Pal’yanovo Area, West Siberia]. Litologiya i poleznye iskopaemye, 2018, no. 3. pp. 195-206. (In Russ.). DOI: 10.7868/S0024497X18030011
Gramberg I.S., Goryainov I.N., Smekalov A.S. Opyt issledovaniya napryazhenno-deformirovannogo sostoyaniya Krasnoleninskogo svoda (Zapadnaya Sibir') [The experience of studying the stress-strain state of the Krasnoleninsk Arch (Western Siberia)]. Doklady RAN, 1995, vol. 345, no. 2. pp. 227-230. (In Russ.).
Korobov A.D., Ahlestina E.F., Korobova L.A., Gordina R.I., Loginova M.P., Kolotukhin A.T., Mukhin V.M. Vtorichnye terrigennye ekrany tyumenskoi svity - nadezhnyi faktor sokhraneniya produktivnosti bazheno-abalakskogo kompleksa [Secondary terrigenous screens of the Tyumen Formation - reliable factor of preservation of productivity Bazhenov-Abalak Formations]. Izvestiya of Saratov University. Earth Sciences, 2017, vol. 17, iss. 4, рр. 276-280 (In Russ.). DOI: 10.18500/1819-7663-2017-17-4-276-280
Korobov A.D., Akhlestina E.F., Gordina R.I., Zagranovskaya D.E., Korobova L.A., Kolotukhin A.T., Mukhin V.M. Razvitie vtorichnogo dolomita, soputstvuyushchikh minerallov i produktivnost' zalezhei v bituminoznykh porodakh bazhenovskoi svity (Zapadnaya Sibir') [Development of secondary dolomite, associated minerals and productivity of the Bazhenov Formation bituminous rocks (Western Siberia)]. Nedra Povolzh'ya i Prikaspiya, 2017, no. 91. pp. 3-21. (In Russ.). EDN: XSHQRN
Korobov A.D., Korobova L. A. Neftegazoperspektivnyi riftogenno-osadochnyi formatsionnyi kompleks kak otrazhenie gidrotermal'nykh protsessov v porodakh fundamenta i chekhla [Oil and gas perspective of the rift-sedimentary formation as a reflection of hydrothermal processes in the rocks of the basement and cover]. Geologiya nefti i gaza, 2011, no. 3, pp. 14-23. (In Russ.). EDN: NURDWJ
Korobov A.D., Korobova L.A., Zagranovskaya D.E. K probleme vydeleniya kontura produktivnosti bazhenovskoi svity na osnove epigeneticheskogo minerageneza [On the problem of isolating the productivity contour of the Bazhenov Formation based on epigenetic minerogenesis]. Geologiya, razvedka i razrabotka neftyanykh mestorozhdeniy, 2018, no. 8, pp. 21-29. (In Russ.). DOI: 10.30713/2413-5011-2018-8-21-29
Matusevich V.M., Rylkov A.V., Ushatinsky I.N. Geoflyuidnye sistemy i problemy neftegazonosnosti Zapadno-Sibirskogo megabasseina [Geofluid systems and problems of petroleum potential of the West Siberian megabasin]. Tyumen: Tyumen State University, 2005, 225 p. (In Russ.).
Patent RF na izobretenie RU 2596181 S1. Sposob poiska zalezhei uglevodorodov v netraditsionnykh kollektorakh bazhenovskoi svity [Patent RF for invention RU 2596181 C1. A method for searching for hydrocarbon accumulations in unconventional reservoirs of the Bazhenov Formation]. A.A. Vashkevich, K.V. Strizhnev, D.E. Zagranovskaya, V.V. Zhukov. Declared 25.05.2015. Published 09.08.2016. The patent holder is Gazpromneft STC LLC. (In Russ.).
Patent RF na izobretenie RU 2650852 C1. Sposob poiska lokal'nykh zalezhei uglevodorodov v vysokouglerodistykh otlozheniyakh bazhenovskoi svity [Patent RF for invention RU 2650852 C1. A method for searching for local hydrocarbon accumulations of the Bazhenov high-carbon Formation]. A.D. Korobov, D.E. Zagranovskaya, L.A. Korobova, A.A. Vashkevich, K.V. Strizhnev, O.A. Zakharova, V.V. Zhukov. Declared 20.06.2017. Published 17.04.2018. The patent holder is Gazpromneft STC LLC. (In Russ.). EDN: WMKUDU
Strizhnev K.V., Zagranovskaya D.E., Zhukov V.V. Vydelenie perspektivnykh neftegazonosnykh ploshchadei dlya netraditsionnykh kollektorov bazhenovskoi svity [Selection of promising oil and gas bearing area levels for unconventional reservoirs Bazhenov Formation]. Nedropol'zovanie XXI vek, 2015, no. 1, pp.120-129. (In Russ.). EDN: TONSOV
Zubkov M.Yu. Kollektory v bazheno-abalakskom komplekse Zapadnoi Sibiri i sposoby ikh prognoza [Reservoirs in the Bazhenov-Abalak strata of Western Siberia and the methods of their forecast]. Geologiya nefti i gaza, 2014, no. 5, pp. 58-72. (In Russ.). EDN: SXTHAH
Gramberg I.S., Goryainov I.N., Smekalov A.S. Opyt issledovaniya napryazhenno-deformirovannogo sostoyaniya Krasnoleninskogo svoda (Zapadnaya Sibir') [The experience of studying the stress-strain state of the Krasnoleninsk Arch (Western Siberia)]. Doklady RAN, 1995, vol. 345, no. 2. pp. 227-230. (In Russ.).
Korobov A.D., Ahlestina E.F., Korobova L.A., Gordina R.I., Loginova M.P., Kolotukhin A.T., Mukhin V.M. Vtorichnye terrigennye ekrany tyumenskoi svity - nadezhnyi faktor sokhraneniya produktivnosti bazheno-abalakskogo kompleksa [Secondary terrigenous screens of the Tyumen Formation - reliable factor of preservation of productivity Bazhenov-Abalak Formations]. Izvestiya of Saratov University. Earth Sciences, 2017, vol. 17, iss. 4, рр. 276-280 (In Russ.). DOI: 10.18500/1819-7663-2017-17-4-276-280
Korobov A.D., Akhlestina E.F., Gordina R.I., Zagranovskaya D.E., Korobova L.A., Kolotukhin A.T., Mukhin V.M. Razvitie vtorichnogo dolomita, soputstvuyushchikh minerallov i produktivnost' zalezhei v bituminoznykh porodakh bazhenovskoi svity (Zapadnaya Sibir') [Development of secondary dolomite, associated minerals and productivity of the Bazhenov Formation bituminous rocks (Western Siberia)]. Nedra Povolzh'ya i Prikaspiya, 2017, no. 91. pp. 3-21. (In Russ.). EDN: XSHQRN
Korobov A.D., Korobova L. A. Neftegazoperspektivnyi riftogenno-osadochnyi formatsionnyi kompleks kak otrazhenie gidrotermal'nykh protsessov v porodakh fundamenta i chekhla [Oil and gas perspective of the rift-sedimentary formation as a reflection of hydrothermal processes in the rocks of the basement and cover]. Geologiya nefti i gaza, 2011, no. 3, pp. 14-23. (In Russ.). EDN: NURDWJ
Korobov A.D., Korobova L.A., Zagranovskaya D.E. K probleme vydeleniya kontura produktivnosti bazhenovskoi svity na osnove epigeneticheskogo minerageneza [On the problem of isolating the productivity contour of the Bazhenov Formation based on epigenetic minerogenesis]. Geologiya, razvedka i razrabotka neftyanykh mestorozhdeniy, 2018, no. 8, pp. 21-29. (In Russ.). DOI: 10.30713/2413-5011-2018-8-21-29
Matusevich V.M., Rylkov A.V., Ushatinsky I.N. Geoflyuidnye sistemy i problemy neftegazonosnosti Zapadno-Sibirskogo megabasseina [Geofluid systems and problems of petroleum potential of the West Siberian megabasin]. Tyumen: Tyumen State University, 2005, 225 p. (In Russ.).
Patent RF na izobretenie RU 2596181 S1. Sposob poiska zalezhei uglevodorodov v netraditsionnykh kollektorakh bazhenovskoi svity [Patent RF for invention RU 2596181 C1. A method for searching for hydrocarbon accumulations in unconventional reservoirs of the Bazhenov Formation]. A.A. Vashkevich, K.V. Strizhnev, D.E. Zagranovskaya, V.V. Zhukov. Declared 25.05.2015. Published 09.08.2016. The patent holder is Gazpromneft STC LLC. (In Russ.).
Patent RF na izobretenie RU 2650852 C1. Sposob poiska lokal'nykh zalezhei uglevodorodov v vysokouglerodistykh otlozheniyakh bazhenovskoi svity [Patent RF for invention RU 2650852 C1. A method for searching for local hydrocarbon accumulations of the Bazhenov high-carbon Formation]. A.D. Korobov, D.E. Zagranovskaya, L.A. Korobova, A.A. Vashkevich, K.V. Strizhnev, O.A. Zakharova, V.V. Zhukov. Declared 20.06.2017. Published 17.04.2018. The patent holder is Gazpromneft STC LLC. (In Russ.). EDN: WMKUDU
Strizhnev K.V., Zagranovskaya D.E., Zhukov V.V. Vydelenie perspektivnykh neftegazonosnykh ploshchadei dlya netraditsionnykh kollektorov bazhenovskoi svity [Selection of promising oil and gas bearing area levels for unconventional reservoirs Bazhenov Formation]. Nedropol'zovanie XXI vek, 2015, no. 1, pp.120-129. (In Russ.). EDN: TONSOV
Zubkov M.Yu. Kollektory v bazheno-abalakskom komplekse Zapadnoi Sibiri i sposoby ikh prognoza [Reservoirs in the Bazhenov-Abalak strata of Western Siberia and the methods of their forecast]. Geologiya nefti i gaza, 2014, no. 5, pp. 58-72. (In Russ.). EDN: SXTHAH