Determining traps of lithological type of BU15 formation within Vostochno-Messoyakhskiy license area based on lithofacies analysis

Authors: E.A. Potapova, L.A. Dubrovina (TNNC LLC, RF, Tyumen)

Key words: Vostochno-Messoyakhskiy license area, geological structure, facies analysis, traps of lithological type.

The article introduces the results of geology and geophysics data integral analysis based on determination of depositional environment. The work objective is to build an actual lithofacies model. The model resulted from conducted research serves as a basis for reserves and resources estimation within the studied formation as well as for effective placement of exploration wells. Based on facies division of reservoirs, presumed traps of lithological type are determined and shaling lines between wells with different WOC level are justified.

References
1. Zakrevskiy K.E., Nassonova N.V., Geologicheskoe modelirovanie klinoform
neokoma Zapadnoy Sibiri (Geological modeling of Neocomian clinoform of
Western Siberia), Tver': GERS Publ., 2012, 84 p.
2. Kozubovskaya I.G. et al., Report on the theme: “Sozdanie Seysmogeologicheskoy modeli osadochnogo chekhla Zapadno-Sibirskoy geosineklizy v predelakh severnykh rayonov YaNAO” (Creation of seismic and geological model of the sedimentary cover of the West Siberian geosyneclise within
northern regions YaNAO), Tyumen': OOO LNTNG Petrograf Publ., 2007, 229 p.
3. Filippovich Yu.V. et al., Report on the theme: “Litologo-fatsial'nyy analiz po
osnovnym rezervuaram yury i mela Vostochno-Messoyakhskogo i Zapadno-
Messoyakhskogo mestorozhdeniy” (Lithofacies analysis on the main reservoirs
of the Jurassic and Cretaceous of East and West Messoyakhskoye fields), St.
Petersburg: Publ. of OOO “Gazprom-neft' NTTs”, 2011, 172 p.
4. Muromtsev V.S., Elektrometricheskaya geologiya peschanykh tel – litologicheskikh lovushek nefti i gaza (Electrometric geology of sandbodies -
lithologic oil and gas traps), Leningrad: Nedra Publ., 1984, 260 p.
5. Zhemchugova V.A., Zhukov A.P., Epov K.A., Tekhnologii seysmorazvedki,
2007, no. 4, pp. 17-34.
6. Ezhova A.V., Litologiya (Litology), Tomsk: Publ. of TPU, 2009, 351 p.
7. Malyarova T.N., Proceedings of Scientific and Practical Conference “Informatsionnye tekhnologii pri razrabotke mestorozhdeniy” (Information Technology by development of deposits), Ufa, 25-25 April 2007, 16 p. 

Key words: Vostochno-Messoyakhskiy license area, geological structure, facies analysis, traps of lithological type.

The article introduces the results of geology and geophysics data integral analysis based on determination of depositional environment. The work objective is to build an actual lithofacies model. The model resulted from conducted research serves as a basis for reserves and resources estimation within the studied formation as well as for effective placement of exploration wells. Based on facies division of reservoirs, presumed traps of lithological type are determined and shaling lines between wells with different WOC level are justified.

References
1. Zakrevskiy K.E., Nassonova N.V., Geologicheskoe modelirovanie klinoform
neokoma Zapadnoy Sibiri (Geological modeling of Neocomian clinoform of
Western Siberia), Tver': GERS Publ., 2012, 84 p.
2. Kozubovskaya I.G. et al., Report on the theme: “Sozdanie Seysmogeologicheskoy modeli osadochnogo chekhla Zapadno-Sibirskoy geosineklizy v predelakh severnykh rayonov YaNAO” (Creation of seismic and geological model of the sedimentary cover of the West Siberian geosyneclise within
northern regions YaNAO), Tyumen': OOO LNTNG Petrograf Publ., 2007, 229 p.
3. Filippovich Yu.V. et al., Report on the theme: “Litologo-fatsial'nyy analiz po
osnovnym rezervuaram yury i mela Vostochno-Messoyakhskogo i Zapadno-
Messoyakhskogo mestorozhdeniy” (Lithofacies analysis on the main reservoirs
of the Jurassic and Cretaceous of East and West Messoyakhskoye fields), St.
Petersburg: Publ. of OOO “Gazprom-neft' NTTs”, 2011, 172 p.
4. Muromtsev V.S., Elektrometricheskaya geologiya peschanykh tel – litologicheskikh lovushek nefti i gaza (Electrometric geology of sandbodies -
lithologic oil and gas traps), Leningrad: Nedra Publ., 1984, 260 p.
5. Zhemchugova V.A., Zhukov A.P., Epov K.A., Tekhnologii seysmorazvedki,
2007, no. 4, pp. 17-34.
6. Ezhova A.V., Litologiya (Litology), Tomsk: Publ. of TPU, 2009, 351 p.
7. Malyarova T.N., Proceedings of Scientific and Practical Conference “Informatsionnye tekhnologii pri razrabotke mestorozhdeniy” (Information Technology by development of deposits), Ufa, 25-25 April 2007, 16 p. 


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