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Turtas Formation

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Spore-pollen diagram of the <span class="search-highlight">Turtas</span> <span class="search-highlight">Formation</span> section (village of Zashchitin...

Spore-pollen diagram of the Turtas Formation section (village of Zashchitin...

Published: 01 February 2016
Fig. 4. Spore-pollen diagram of the Turtas Formation section (village of Zashchitino to the north of the city of Tobolsk). 1, clay, 2, sands 3, silts, 4, a break in sedimentation, 5, palynomorphs content of less than 1%.
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Location of the investigated sections of the <span class="search-highlight">Turtas</span> <span class="search-highlight">Formation</span>. 1 – boreho...

Location of the investigated sections of the Turtas Formation. 1 – boreho...

Published: 01 January 2000
Fig. 1. Location of the investigated sections of the Turtas Formation. 1 – borehole sections investigated for microphytofossils (spores, pollen, conjugates, and dinoflagellates); 2 – exposures investigated for microphytofossils and paleomagnetism; 3 – area of the Turtas lake-sea; 4
Journal Article

THE NATURE OF THE LATE OLIGOCENE TURTAS LAKE-SEA IN WEST SIBERIA

V. S. Volkova, Z. N. Gnibidenko, I. A. Kul’kova
Published: 01 January 2000
Russ. Geol. Geophys. (2000) 41 (1): 58–66.
...Fig. 1. Location of the investigated sections of the Turtas Formation. 1 – borehole sections investigated for microphytofossils (spores, pollen, conjugates, and dinoflagellates); 2 – exposures investigated for microphytofossils and paleomagnetism; 3 – area of the Turtas lake-sea; 4...
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Journal Article

The Paleogene/Neogene boundary in continental deposits of the West Siberian Plain

V.S. Volkova, O.B. Kuz’mina, Z.N. Gnibidenko, A.G. Golovina
Published: 01 February 2016
Russ. Geol. Geophys. (2016) 57 (2): 303–315.
DOI: https://doi.org/10.1016/j.rgg.2016.02.007
...Fig. 4. Spore-pollen diagram of the Turtas Formation section (village of Zashchitino to the north of the city of Tobolsk). 1, clay, 2, sands 3, silts, 4, a break in sedimentation, 5, palynomorphs content of less than 1%. ...
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Detailed geological profiles of the right bank of the Ob’ River between E 6...

Detailed geological profiles of the right bank of the Ob’ River between E 6...

Published: 01 December 2019
are indicated above the sections as dip azimuth (1st number) and dip angle (2nd number). 1, Quaternary fluvioglacial and alluvial sands; 2, diamictons of Pleistocene moraines; 3, silty rhythmites of the Abrosimovka Formation (N j ab); 4, silt-clay rhythmites of the Turtas Formation ( ₽ 3 3 trt
Journal Article

PALYNOSTRATIGRAPHY OF PALEOGENE AND NEOGENE SEDIMENTS OF THE BARABA-KULUNDA FACIES ZONE OF WEST SIBERIA

V.S. Volkova, I.A. Kul’kova, O.B. Kuz’mina
Published: 01 November 2011
Russ. Geol. Geophys. (2002) 43 (11): 1017–1037.
... reaches 150 m. Fruit, seed, spore and pollen data define their age as Early Oligocene. Deposits of the Upper Oligocene, the Zhuravka and Turtas Formations, form a horizon combining the deposits of an epicontinental freshwater basin, which occupied the large area of the Ob’—Irtysh interfluve...
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Journal Article

Stratigraphic, paleomagnetic, and palynological data on the Paleogene–Neogene continental sediments of southwestern West Siberia

Z.N. Gnibidenko, V.S. Volkova, O.B. Kuz’mina, Zh.A. Dolya, I.V. Khazina, A.V. Levicheva
Published: 01 April 2011
Russ. Geol. Geophys. (2011) 52 (4): 466–473.
DOI: https://doi.org/10.1016/j.rgg.2011.03.009
... (68.8–56.6 m) lies the Zhuravka Formation (= Turtas Formation in the central West Siberian Plain). It overlies the Novomikhailovka Formation with local erosion. The Zhuravka Formation consists of nonuniformly interbedded silts and sands with subordinate clay bands. The sediments are greenish-gray...
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Journal Article

PALEOCARPOLOGY AND PROBLEMS OF THE PALEOGENE STRATIGRAPHY OF WEST SIBERIA

V.P. Nikitin
Published: 01 November 2005
Russ. Geol. Geophys. (2005) 46 (11): 1151–1158.
... Formation in the southeast of the West Siberian Plain but also in the Baturovo Formation in the Kamen’-Barnaul Ob’ region [ 15 ] and in the glauconite-bearing deposits of the Zhuravka and Turtas Formations in the Ob’-Irtysh interfluve (no less than 40 localities of such complexes are known today...
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Journal Article

Paleogene and Neogene stratigraphy and paleotemperature trend of West Siberia ( from palynologic data )

V.S. Volkova
Published: 01 July 2011
Russ. Geol. Geophys. (2011) 52 (7): 709–716.
DOI: https://doi.org/10.1016/j.rgg.2011.06.003
... and brown coal (Novomikhailovka Formation, 70–140 m). The Late Oligocene was marked by the buildup of the clays of the Turtas and Zhuravka Formations interbedded with greensands (Turtas–Znamenka Formations, 40–140 m) ( Kuz’mina and Volkova, 2008 ; Kuz’mina et al., 2003 ; Volkova and Kuzmina, 2004...
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Deformation structures of Tertiary <span class="search-highlight">formations</span> in northern bank of the Ob’ R...

Deformation structures of Tertiary formations in northern bank of the Ob’ R...

Published: 01 December 2019
Novomikhailovka Formation ( A ) with lignite layer ( a ) upthrusted along a listric fault over upper Oligocene Turtas rhythmites ( B ) with a drag fold in the footwall block ( b ); 5.5 km in Fig. 8 a ; e , glaciotectonic mélange of the folded Novomikhailovka interbedding sands, silts and clays; station 9 km
Journal Article

MARINE AND CONTINENTAL PALEOGENE AND MIOCENE OF SOUTHERN BARABA FACIES REGION OF WEST SIBERIA: STRATIGRAPHY AND MICROPHYTOFOSSILS

V.S Volkova, O.B Kuz’mina, I.A Kul’kova
Published: 01 January 2005
Russ. Geol. Geophys. (2005) 46 (1): 60–71.
... Oligocene basin was the Zhuravka (=Turtas) lake-sea. In recent years, in some boreholes drilled in the south of West Siberia, dinoflagellates of the genus Pseudokomewuia have been found at the bottom of the Zhuravka Formation. This genus was first described from the lacustrine Oligocene deposits of China...
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Journal Article

Quaternary Glaciotectonics of the Ural-Siberian North

V.I. Astakhov
Published: 01 December 2019
Russ. Geol. Geophys. (2019) 60 (12): 1353–1367.
DOI: https://doi.org/10.15372/RGG2019136
... are indicated above the sections as dip azimuth (1st number) and dip angle (2nd number). 1, Quaternary fluvioglacial and alluvial sands; 2, diamictons of Pleistocene moraines; 3, silty rhythmites of the Abrosimovka Formation (N j ab); 4, silt-clay rhythmites of the Turtas Formation ( ₽ 3 3 trt...
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Journal Article

One-dimensional modelling of air injection into abandoned oil fields for heat generation

Benjamin M. Storey, Richard H. Worden, David D. McNamara, John Wheeler, Julian Parker, Andre Kristen
Journal: Geoenergy
Published: 08 April 2024
Geoenergy (2024) 2 (1): geoenergy2023-050.
DOI: https://doi.org/10.1144/geoenergy2023-050
... ( Storey et al. 2022 ), and thus lead to more examples of highly successful and long-running air-injection projects such as the one at Bellevue Oil Field, Louisiana, USA, which has been running for over 50 years ( Joseph et al. 1983 ; Turta et al. 2007 ; Sharma et al. 2021 ). Despite the various...
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Journal Article

Foam Delivery of Amendments for Vadose Zone Remediation: Propagation Performance in Unsaturated Sediments All rights reserved. No part of this periodical may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or any information storage and retrieval system, without permission in writing from the publisher.

Lirong Zhong, Jim E. Szecsody, Fred Zhang, Shas V. Mattigod
Published: 01 August 2010
Vadose Zone Journal (2010) 9 (3): 757–767.
DOI: https://doi.org/10.2136/vzj2010.0007
... EOR applications have been reported, with the first one conducted decades ago ( Turta and Singhal, 1998 ). More recently, foam has been evaluated as an environmental remediation medium. In water-saturated systems, the simultaneous injection of a surfactant solution and air generated foams...
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Journal Article

Paleomagnetism of the Paleogene–Neogene continental sediments of the Om’ basin ( southern West Siberia )

Z.N. Gnibidenko, N.N. Semakov A.V. Levicheva
Published: 01 July 2014
Russ. Geol. Geophys. (2014) 55 (7): 881–891.
DOI: https://doi.org/10.1016/j.rgg.2014.06.007
... magnetization (ChRM). The compiled paleomagnetic section, which includes seven regional horizons and same-named formations (Oligocene Atlym, Novomikhailovka, and Zhuravka Formations and Neogene Abrosimovka, Beshcheul, Tavolzhan, and Novaya Stanitsa Formations), was compared with the Cenozoic polarity scale...
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Journal Article

Problems of Paleogene stratigraphy and paleogeography in the middle latitudes of Eurasia

M.A. Akhmet’ev
Published: 01 October 2011
Russ. Geol. Geophys. (2011) 52 (10): 1075–1091.
DOI: https://doi.org/10.1016/j.rgg.2011.09.004
... was followed by the formation of an N-S-directed river network in the vast areas of West Siberia, Turgai, and the northern cis-Aral region. The climate was unstable, moderately warm to subtropical, with variable humidity. The formation of the Turgai ecotype of mesophytic conifer-broadleaved flora was completed...
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Journal Article

MICROPHYTOFOSSILS AND MAGNETOSTRATIGRAPHY OF UPPER CRETACEOUS AND CENOZOIC DEPOSITS OF THE SOUTHEASTERN WEST SIBERIAN PLAIN

O.B. Kuz’mina, V.S. Volkova, Z.N. Gnibidenko, N.K. Lebedeva
Published: 01 April 2003
Russ. Geol. Geophys. (2003) 44 (4): 338–352.
... and suggests that at the early stage of the formation of the Zhuravka (Turtas) lake-sea, ingression of sea waters along river valleys reached 54° N. However, this requires additional proof. Three SPAs were established in the Abrosimovka Formation. The first of them is transitional and close to the Zhuravka...
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Book Chapter

Screening Criteria and Technology Sequencing for In-situ Viscous Oil Production

Author(s)
Maurice B. Dusseault
Book: Heavy-oil and Oil-sand Petroleum Systems in Alberta and Beyond
Series: AAPG Studies in Geology
Publisher: American Association of Petroleum Geologists
Published: 01 January 2013
DOI: 10.1306/13371598St643565
EISBN: 9781629812649
... of capillary barrier formation, leading to high residual oil values. By maintaining a continuous oil film, slow drainage continues, and high R F values can be reached (as high as 0.97 has been achieved in the laboratory). As with all gravity processes, height is needed; 10 m (33 ft) is suggested as a minimum...
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Abstract On a worldwide basis, approximately 70 to 80% of the 9 to 10 trillion bbl original oil in place of viscous oil reserves (in-situ u &gt; 100 cp) occur in unconsolidated sandstones, with high porosity and permeability. The remaining viscous oil reservoirs are hosted within fractured carbonates. Both types of viscous oil reservoirs are characterized by highly variable in-situ reservoir conditions. Different technologies are best for different lithostratigraphic and geometric conditions. New and emerging production and drilling technologies (i.e., horizontal wells, multilaterals, logging while drilling, and others), along with production-technology sequencing, allow tailoring of the drilling and production schemes to each specific reservoir considering the inherent geologic variability of these unconventional reservoirs. Geotailoring for viscous oil production generates a need for geoscience and engineering screening criteria.