scholarly journals About the reliability of preparing the traps by seismic exploration for drilling in the Upper Jurassic (the Middle Ob River Region)

2019 ◽  
Author(s):  
I.V. Kasyanov
Keyword(s):  
Upper Jurassic ◽  
Seismic Exploration ◽  
Ob River ◽  
River Region

scholarly journals S-wave experiments for the exploration of a deep geothermal carbonate reservoir in the German Molasse Basin

2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Britta Wawerzinek ◽  
Hermann Buness ◽  
Hartwig von Hartmann ◽  
David C. Tanner
Keyword(s):  
Upper Jurassic ◽  
Carbonate Reservoir ◽  
P Wave ◽  
Seismic Survey ◽  
Seismic Exploration ◽  
Molasse Basin ◽  
S Wave ◽  
Induced Earthquakes ◽  
Conversion Point ◽  
Facies Classification

AbstractThere are many successful geothermal projects that exploit the Upper Jurassic aquifer at 2–3 km depth in the German Molasse Basin. However, up to now, only P-wave seismic exploration has been carried out. In an experiment in the Greater Munich area, we recorded S-waves that were generated by the conventional P-wave seismic survey, using 3C receivers. From this, we built a 3D volume of P- to S-converted (PS) waves using the asymptotic conversion point approach. By combining the P-volume and the resulting PS-seismic volume, we were able to derive the spatial distribution of the vp/vs ratio of both the Molasse overburden and the Upper Jurassic reservoir. We found that the vp/vs ratios for the Molasse units range from 2.0 to 2.3 with a median of 2.15, which is much higher than previously assumed. This raises the depth of hypocenters of induced earthquakes in surrounding geothermal wells. The vp/vs ratios found in the Upper Jurassic vary laterally between 1.5 and 2.2. Since no boreholes are available for verification, we test our results against an independently derived facies classification of the conventional 3D seismic volume and found it correlates well. Furthermore, we see that low vp/vs ratios correlate with high vp and vs velocities. We interpret the latter as dolomitized rocks, which are connected with enhanced permeability in the reservoir. We conclude that 3C registration of conventional P-wave surveys is worthwhile.

Standard characteristics of clay soils with admixture of plant remains for the middle Ob' river region

1973 ◽  
Vol 10 (2) ◽  
pp. 122-123
Author(s):  
P. A. Konovalov ◽  
Yu. K. Ivanov ◽  
G. B. Kul'chitskii
Keyword(s):  
Clay Soils ◽  
Ob River ◽  
Plant Remains ◽  
River Region

scholarly journals Female Headdress of the Golden Horde Time from Tomsk Ob River Region

2019 ◽  
Vol 4 (30) ◽  
pp. 119-128
Author(s):  
Evgeny V. Vodyasov ◽  
◽  
Olga V. Zaitceva ◽  
Keyword(s):  
Ob River ◽  
River Region

scholarly journals On Interpretation of Kočidyk-Crutches Used by the Population of the Upper Ob River Region in the Early Iron Age

2019 ◽  
Vol 18 (3) ◽  
pp. 90-99
Author(s):  
N. N. Golovchenko
Keyword(s):  
Iron Age ◽  
Point Of View ◽  
The Body ◽  
Early Iron Age ◽  
Traditional Use ◽  
Historical Interpretation ◽  
Ob River ◽  
River Region ◽  
Steppe Belt ◽  
The Right

Purpose. The work is devoted to functional, ceremonial and cultural-historical interpretation of the so-called kočidykcrutches often found at the sites belonging to various cultures of the steppe belt of Eurasia and popular during the Early Iron Age. The aim of our study is to describe different interpretations of this group of finds. We considered the accumulated historiographical experience and also tried to model experimentally the functional use of the artifacts analyzed. The scientific novelty of the study lies in the possibility of referring to these materials from the point of view of the hypothesis of multiculturalism. We discuss a number of variants how to reconstruct the functional use of this category of finds. In particular, the crutches considered could have been used as suspensions and as belt fasteners. Results. We noticed that regardless of the sex of the buried people, the location of the crutches in graves is the same, i. e. they are found on the right or left side, at least two on the femur or pelvic bones of the skeleton if the buried person had a belt and it was buttoned, and on the chest, knees or feet, if the belt was unbuttoned and was lying along the body. The crutches can either be a part of the complex, or the only element of the waist fittings that indirectly points to a certain self–sufficiency of crutches as a part of the burial shroud. There are controversial interpretations of the ceremonial meaning of the artifacts. Based on the hypothesis of multiculturalism of the population of the Upper Ob River region during the Early Iron Age, we provide some new cultural and historical interpretations of the crutches. A variety of types of crutches confirms the assumption that within the existence of the subject complex of clothing worn by the population of the Upper Ob River region in the second half of the I Millennium BC, there were clear signs of innovations. Conclusion. Studying the range of issues associated with the interpretation of crutches remains a relevant and promising task in archaeological research. Further accumulation of material and its understanding in a broader rather than narrow territorial context might allow us to identify the centers of distribution of certain types of crutches and the processes of their trans cultural incorporation into the traditional use by the population of the Upper Ob River region in the Early Iron Age.

scholarly journals Cultural background and chronology of the multisegment populated settlement Salekhard-4 located in the Lower Ob River region

2019 ◽  
Vol 8 (4) ◽  
pp. 131-138
Author(s):  
Olga Sergeevna Tupakhina ◽  
Daniel Sergeevich Tupakhin
Keyword(s):  
Bronze Age ◽  
Middle Ages ◽  
Northern Taiga ◽  
The Arctic ◽  
Late Bronze Age ◽  
13Th Century ◽  
Ob River ◽  
Taiga Forest ◽  
River Region ◽  
Cultural Layers

In this paper the authors study the issues of the cultural and chronological attribution of the Salekhard-4 settlement, the historic site, which was studied during the field works in 2017 for the first time. The site is located within the Salekhard city territory. Considering the vast historical and landscape context it should be noted that the territory of the Lower Ob River region (within the area of the modern Yamalo-Nenets Autonomous Okrug) includes several natural ranges: Northern taiga, forest tundra and tundra, and geographically spreads up to the Arctic coast. Moreover, it should be outlined that the historical retrospective displays multiple shifts of borders of the abovesaid nature and climatic ranges both, south and the northward, and such shifts affected migration of the ancient population considerably, which is clearly reflected on the archaeological remains. For instance the lower cultural layers of the Salekhard-4 settlement should be referred to the Chalcolithic Period (end of the 4th - beginning of the 3rd thousand years AD); this can be confirmed by the found ceramics referred to the Gorny Samotnel settlement. The cultural layers discovered above and containing the settlement and the burial complexes can be attributed to the Heyakh culture of the Late Bronze age (approx. 13th century AD). One of the tombs partially containing relics and remains is the subject of special interest as it contains the unviolated funeral accessories. The unique nature of this finding is that for today it is the only Late Bronze age burial located in the region under study. Undamaged condition of the antropological material made it possible to establish the sex and the race of the buried, as well as to determine the approximate age at death. The upper cultural layers of the site under study can be referred to the culture of the Lower Ob River region of the early Middle Ages (1st-4th centuries DC), they contain residuals of a wooden flooring, a fire-forge, and some amount of ceramics.

ON THE STRATIGRAPHIC SIGNIFICANCE OF THE LOW TERRACES OF THE SUZUN STRATA OF THE UPPER OB RIVER REGION

2021 ◽  
pp. 7-17
Author(s):  
I. D. Zolnikov ◽  
◽  
◽  
Keyword(s):  
20Th Century ◽  
Flood Plain ◽  
Alluvial Sediments ◽  
Ob River ◽  
Aeolian Deposits ◽  
Lower Stage ◽  
River Region

Studies of the end of the 20th century showed that there are no sediments of the glacial-dammed lakesea, as well as sediments of periglacial alluvium in sections of low terraces of the Upper Ob River region, known as the Suzun Strata. The lower stage of terraces is composed of alluvial sediments, and the upper one is epresented by subaerial complex, which includes both deluvium and aeolian deposits. The height of areas varies significantly and is predetermined by thickness of the subaerial complex in each particular area. Сonsequently, the geomorphological principle does not work when differentiating the Suzun Strata into heterochronous geological bodies of accumulative terraces above the flood-plain.

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