МЕНЮ


Timonina N.N.

nntimonina@geo.komisc.ru




Graduated from Moscow State University named after M.V. Lomonosov (1982), Geological Faculty.
PhD in Geology and Mineralogy.
Head of the Laboratory of Institute of Geology, Komi Science Center, Ural Branch of the Russian Academy of Sciences.
Area of scientific interest: geology of oil and gas, lithology.
Author of 83 publications.
Stratigraphy and lithology
Article # 5_2025 submitted on 11/18/2024 displayed on website on 02/07/2025
18 p. Timonina N.N.
pdf Garnets from the Lower Triassic clastic reservoirs of the northern part of Kolva megaswell (Timan-Pechora petroleum province)
Recent years, when studying terrigenous reservoirs of oil and gas regions, more and more attention has been paid to the study of accessory minerals of clastic rocks, in order to clarify the composition of provenances and the conditions of formation of terrigenous rocks, as well as the correlation of "barren" beds. The article presents the results of lithological and mineralogical study of the Lower Triassic sandstones of the north of the Kolva megaswell of the Timan-Pechora petroleum province. It is shown that almandine predominates among the minerals of the garnet group. It is suggested that one of the sources of clastic material was metamorphic rocks that were widespread in the northern part of the Lyapin anticlinorium. In the Early Triassic time, the reorganization of the structural plan continued, associated with the formation of uplifts in the Paleo-Urals region, which led to an increased removal of polymictic material to remote areas of the platform. It is assumed that garnet group minerals can be used as indicator minerals in the search for lithological and lithological-stratigraphic hydrocarbon traps. The presence of these minerals in the clastic part of sandstones is determined not only by the sources of material removal, but also by the nature of the change in terrigenous components depending on the conditions of sedimentation; it depends on the size of the clastic material and on the physicochemical properties of the minerals.

Keywords: garnet group minerals, sedimentation condition, sources of material removal, Lower Triassic clastic reservoir, Kolva megaswell, Timan-Pechora petroleum province.
article citation Timonina N.N. Metodika veroyatnostnoy otsenki geologo-ekonomicheskikh pokazateley pleev na poiskovo-otsenochnom etape geologorazvedochnykh rabot [Garnets from the Lower Triassic clastic reservoirs of the northern part of Kolva megaswell (Timan-Pechora petroleum province)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2025, vol. 20, no. 1, available at: https://www.ngtp.ru/rub/2025/5_2025.html EDN: PZUGXS
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Stratigraphy and lithology
Section editor – PhD in geology and mineralogy Kirichkova A.I.
Article # 28_2017 submitted on 07/06/2017 displayed on website on 08/29/2017
28 p. Timonina N.N., Mochalova I.L.
pdf  Lithological features of productive sequences of the Lower Triass Shapkin-Yuryakha Shaft (Timan-Pechora Petroleum Province)
Lower Triassic sequences Shapkin-Yuryakha Shaft of the Timan-Pechora Petroleum Province were studied by the complex lithological, petrophysical and geochemical methods. It is established that productive deposits are represented by sandstones that formed in arid climates amid a vast alluvial-lacustrine plain. The research allowed to study and characterize the structure features of rock and mineral aggregates, forming pore free space textures. The high heterogeneity of the composition and structure of the cement minerals of the reservoir caused by local facies-paleogeographic sedimentation conditions, were the cause of the significant variability of the void space. Rocks reservoirs are complex, with high content of clay component; an effective field development requires special methods of stimulation.

Keywords: lithological types, clay minerals, pore space, Lower Triassic reservoirs, Timan-Pechora Petroleum Province.
article citation Timonina N.N., Mochalova I.L. Litologicheskie osobennosti produktivnykh otlozheniy nizhnego triasa Shapkina-Yur'yakhinskogo vala (Timano-Pechorskaya neftegazonosnaya provintsiya) [Lithological features of productive sequences of the Lower Triass Shapkin-Yuryakha Shaft (Timan-Pechora Petroleum Province)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2017, vol. 12, no. 3, available at: http://www.ngtp.ru/rub/2/28_2017.pdf
DOI https://doi.org/10.17353/2070-5379/28_2017
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