Lithological models of reservoir rocks for upper cretaceous deposits in East Caucasian Region
https://doi.org/10.18599/grs.2021.3.11
Abstract
The article describes the results of lithological and petrophysical investigations that would be a base for characterization of reservoir rocks in Upper Cretaceous deposits. These investigations include thin sections description, SEM and NMR analysis. As found that three main factors have constrained final quality of reservoir rocks: 1) depositional settings favorable for coccoliths and chalk sedimentation; 2) late diagenesis changes – compaction and recrystallization degree; 3) fracture intensity.
About the Authors
O. V. SivalnevaRussian Federation
Оlga V. Sivalneva – Associate Professor, Department of Lithology, PhD (Geology and Mineralogy)
65 Leninsky Av., Moscow, 119991
A. S. Rakhmatullina
Russian Federation
Aysylu S. Rakhmatullina – Research Assistant, Department of Lithology, PhD (Geology and Mineralogy
65 Leninsky Av., Moscow, 119991
A. V. Postnikov
Russian Federation
Аlexander V. Postnikov – Head of the Lithology Department, DSc (Geology and Mineralogy), Professor
65 Leninsky Av., Moscow, 119991
O. V. Postnikova
Russian Federation
Olga V. Postnikova – Dean of the Faculty of Oil and Gas Geology and Geophysics, DSc (Geology and Mineralogy), Professor
65 Leninsky Av., Moscow, 119991
O. A. Zueva
Russian Federation
Оlga А. Zueva – Research Assistant, Department of Lithology
65 Leninsky Av., Moscow, 119991
E. K. Idrisova
Russian Federation
Elizaveta K. Idrisova – Postgraduate student, Hydrocarbon Production Centre
30, bld. 1, Bolshoy Boul., Moscow, 121205
V. V. Poshibaev
Russian Federation
Vladimir V. Poshibaev – Leading Specialist in Geophysical Research, PhD (Geology and Mineralogy)
3, bld.1., Pokrovsky Boul., Moscow, 109028
References
1. Borisenko Z.G., Danilin V.P., Litvinov S.A. (2007). Features of the spatial distribution of oil and gas deposits of the Upper Cretaceous sediments of the Central and Eastern Ciscaucasia. Vestnik Rossiiskoi akademii estestvennykh nauk, 2007/2, pp. 8–13. (In Russ.)
2. Bramwell N.P. et al. (1999). Chalk exploration, the search for a subtle trap. Proc. 5th Conference: Petroleum Geology of Northwest Europe. Published by the Geological Society, London, pp. 911–937. https://doi.org/10.1144/0050911
3. Fabricius I.L. (2003). How burial diagenesis of chalk sediments controls sonic velocity and porosity. AAPG Bulletin, 87(11), pp. 1755–1778. https://doi.org/10.1306/06230301113
4. Geology and oil and gas potential of the Eastern Ciscaucasia. (2001). Ed. V.E. Orel. Moscow: GEOS, 299 p. (In Russ.)
5. Glennie K.W. (ed.) (1998). Petroleum Geology of the North Sea. Basic Concepts and Recent Advances, 4ed. Blackwell, pp. 324–349. https://doi.org/10.1002/9781444313413
6. Gorkushin A.S, Naidenova L.A. (1978). Some aspects of prospecting and exploration of oil deposits in the Upper Cretaceous deposits of the Eastern Stavropol region. Neftegazovaya geologiya i geofizika, 1978/12, pp. 17–21. (In Russ.)
7. Likov A.G., Chepak G.N., Shaposhnikov V.M. (1980). Features of the structure of oil deposits in carbonate rocks of the Upper Cretaceous of the Prikum oil and gas region. Neftegazovaya geologiya i geofizika, 1980/5, pp. 18–20. (In Russ.)
8. Paporotnaya A.A. (2011). Geological-geochemical conditions of oil and gas content of the Mesozoic deposits of the East Stavropol depression. Abstract Sci. Diss. Stavropol, 23 p. (In Russ.)
9. Postnikov A.V., Musikhin A.D., Osintseva N.A., Sival’neva O.V., Rakhmatullina A.S. (2016). Influence of rock pore structure on deposits development of Khadum formation in East Caucasian Region. Geofizika, 6, pp. 30–37. (In Russ.)
10. Scholle P.A. (1977). Chalk Diagenesis and Its Relation to Petroleum Exploration: Oil from Chalks, a Modern Miracle? AAPG Bulletin, 61(7), pp. 982–1009. https://doi.org/10.1306/C1EA43B5-16C9-11D7-8645000102C1865D
Review
For citations:
Sivalneva O.V., Rakhmatullina A.S., Postnikov A.V., Postnikova O.V., Zueva O.A., Idrisova E.K., Poshibaev V.V. Lithological models of reservoir rocks for upper cretaceous deposits in East Caucasian Region. Georesursy = Georesources. 2021;23(3):83-89. (In Russ.) https://doi.org/10.18599/grs.2021.3.11