2022 marks the 70th anniversary of the birth of A. K. Karabanov. He was a prominent Belarusian geologist and science organizer, a specialist in the field of the Quaternary geology and paleogeography, geomorphology, neotectonics and neogeodynamics, Doctor of geological and mineralogical sciences, Professor, Academician of the NAS of Belarus, Director of the Institute for Nature Management of the NAS of Belarus (2008—2019). He developed an original complex methodology for reconstructing amplitudes of neotectonic movements in the area of ancient continental glaciation. A. K. Karabanov formulated the concept of neotectonic evolution and the neogeodynamics of the western part of the East European Platform territory. He proposed methodology for making neotectonic maps. It is based on mapping of structural-formational complexes of the sedimentary cover, which have important theoretical and practical value. A review of main scientific achievements of Academician A. K. Karabanov is presented in this paper.
Decoding the seismic-velocity structure of the earth crust and the upper mantle on the basis of deep seismic sounding according to the Georift-2013 program along the Pripyat and Dnieper troughs along the Nesvizh-Bragin-ChernigovPoltava profile allows one to develop the ideas about the structure and Hercynian synriftic geodynamics of the contiguous adjacent structures of the Pripyat-Dnieper-Donets aulacogene. The abnormally powerful regional high-speed body, which is interpreted as a rift pillow, established in the lower crust under the Dnieper graben, is one of the indicators of manifestation of active plume tectonics in the process of Hercynian rifting in this segment of the aulacogen PDD. In the Pripyat segment, separated from the Dnieper segment by echeloned deep structures in the zone of the Bragin-Loevsky saddle, the structure of the crust– mantle boundary differs in comparison with the Dnieper segment by a lower level of the Moho surface; it is subhorizontal in the cross sections of the Pripyat paleorift. There were no active plume-tectonic events in scale.
The results of geological exploration for oil within the Elsky, Shatilkovsky, Savichsky and Petrikovsko-Shestovichsky sections of the Pripyat trough are analyzed. The analysis covers almost 70 years from the drilling of the first exploratory wells laid by the "wild cat" method to the modern comprehensive justification. During the analyzed period, from 12 to 23 deep wells were drilled with a total penetration of 42.3 thousand meters to 68.3 thousand meters in each section. The initial stage of work after the first oil inflow is characterized by a higher activity of drilling new exploratory wells, justified by the methods available at that time. The negative result of exploratory drilling in certain areas is also due to the significant fragmentation of the intrasalt perspective horizons and the areal unevenness of reservoir layers in the subsalt complex. Within the boundaries of the sites, deposits with recoverable oil reserves of no more than 450 thousand tons are established, which can be determined as a low economic efficiency of prospecting operations. However, the work has played a positive role in determining real models of hydrocarbon traps for use in the study of other sites.
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