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Browsing by Author "Kolchugin A."

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A comparative study of two Mississippian dolostone reservoirs in the Volga-Ural Basin, Russia

Kolchugin A.; Immenhauser A.; Morozov V.; Walter B.; Eskin A.; Korolev E.; Neuser R. (2020)

© 2020 Elsevier Ltd A significant proportion of the remaining oil reserves worldwide is concentrated in dolostone rock bodies. The present paper focuses on Tournaisian and Visean limestones and geologically younger diagenetic ...
Accessory mineralization of dolomite reservoirs as the factor of fluids variability composition

Eskin A.; Korolev E.; Bakhtin A.; Kolchugin A.; Barieva E. (2017)

© SGEM2017. All Rights Reserved. Oil-saturated Visean dolomite reservoirs were studied from the Tatarstan Republic, east of Russian platform. The main methods of study were X-ray and SEM analysis. Dolomite forms interstratified ...
Carbonate formation of the Lower Carboniferous in central part of Volga-Ural basin

Kolchugin A.; Morozov V.; Korolev E.; Eskin A. (2014)

Carbonate rocks of the Lower Carboniferous (Tournaisian stage) of the central Volga-Ural basin (the eastern portion of the East European platform) are of practical scientific interest to geologists, particularly because ...
Changing of carbonate reservoir rocks on the final phase evolution petroleum geofluid systems

Korolev E.; Morozov V.; Kolchugin A.; Eskin A.; Nurieva E. (2015)

The authors studied conditions of changing carbonate reservoir rocks of Tournaisian stage in phase of water-flooding of oil reservoirs. We studied the sequence of changes in the pore volume in the limestone caused by oil ...
Crystal chemical and geochemical features of genetically different paleozoic dolomites in the Volga–Ural region

Kuznetsov V.; Morozov V.; Eskin A.; Kolchugin A. (2017)

© 2017, Pleiades Publishing, Inc.The comparative analysis of primary sedimentary and secondary catagenetic dolomites revealed that they differ in many typomorphic properties. Sedimentary dolomites are characterized by the ...
Diagenesis of carboniferous carbonate rocks reservoirs case study: (Central part of Volga-Ural basin)

Morozov V.; Korolev E.; Kolchugin A. (2013)

Nowadays carbonate reservoirs of oil and gas have a great practical interest and scientific value. They contain about 40%world reserves of oil. Many publications considered diagenesis of carbonate rocks, but many of them ...
Diagenesis of the palaeo-oil-water transition zone in a Lower Pennsylvanian carbonate reservoir: Constraints from cathodoluminescence microscopy, microthermometry, and isotope geochemistry

Kolchugin A.; Immenhauser A.; Walter B.; Morozov V. (2016)

© 2016. Oil-water transition zones in carbonate reservoirs represent important but rarely studied diagenetic environments that are now increasingly re-evaluated because of their potentially large effects on reservoir ...
Diagenetic dolomite reservoirs in carboniferous rocks of Melekess depression and South-Tatar arch

Korolev E.; Morozov V.; Eskin A.; Kolchugin A. (2016)

It was studied secondary dolomite reservoirs in Carboniferous oil saturated carbonate rocks from the Melekess depression and South-Tatar arch. It was revealed three morphological types of non-anticlinal dolomite traps: ...
Features of the structure of zones of water-oil contacts in carbonate rocks of the Bashkirian stage (using Akanskoye oilfield in the Volga-Ural petroleum and gas province as an example)

Kolchugin A.; Morozov V.; Korolev E.; Eskin A. (2014)

The problem of secondary transformation of rocks in the zones of water-oil contacts has been a concern of geologists studying terrigenous and carbonate reservoir rocks. A rather important aspect in studying the zones of ...
Geochemical conditions of exogenous minerals formation of the weathering zone in the upper jurassic depositions of the middle Volga region

Korolev E.; Kolchugin A.; Eskin A.; Bakhtin A.; Barieva E. (2019)

© 2019, International Multidisciplinary Scientific Geoconference. All rights received. Upper Jurassic deposits on the territory of the Tatarstan Republic are represented by the coastal-marine, terrigenous complex. In its ...
Influence of diffusion from oil reservoirs to clay minerals in Bashkirian oil-saturated carbonate rocks

Kolchugin A.; Korolev E.; Morozov V.; Eskin A.; Barieva E. (2019)

© 2019, International Multidisciplinary Scientific Geoconference. All rights received. Oil deposits in Bashkirian strata regionally oil-saturated, within the Volga-Ural oil and gas bearing province. They contain up to 30% ...
Peculiarities of structure and formation of oil reservoirs in carbonate rocks of Tournaisian stage of the Republic of Tatarstan

Korolev E.; Morozov V.; Kolchugin A. (2012)

As a result of comprehensive research of limestone Tournaisian stage, the authors identified two major structural and genetic types of carbonate rocks with different petrophysical properties. The most productive limestone ...
Secondary silicified oil reservoirs of Bashkirian carbonate successions of southeast of the Republic of Tatarstan

Korolev E.; Morozov V.; Eskin A.; Kolchugin A.; Eskina G. (2015)

Secondary silicified reservoirs were studied from east flank of Melekesskaya depression and west side of South-Tatarian arch in Bashkirian carbonates succession. Silicified reservoirs in carbonates are located in dome part ...
Some features of the oil-saturated dolomite reservoirs from the lower mississippian of the volga-ural basin, russia

Kolchugin A.; Morozov V.; Korolev E.; Eskin A. (2019)

© 2019, International Multidisciplinary Scientific Geoconference. All rights reserved. The dolomite problem is very popular among geologists, who are especially working with oil-saturated carbonate rocks. Probably, this ...
Structure of oil-water contact zones of Bashkirian carbonate reservoirs

Kolchugin A.; Korolev E.; Morozov V. (2015)

The authors have shown principle structure of oil-water contact zones in Bashkirian carbonate reservoirs of Volga-Ural region. There were established structural and mineral characteristics of oil-water contact zones and ...
Structure of vereysky oil reservoir from akanskoye oilfield of the tatarstan republic

Barieva E.; Kolchugin A.; Eskin A.; Korolev E.; Morozov V. (2019)

© 2019, International Multidisciplinary Scientific Geoconference. All rights reserved. The oil fields of the Vereysky horizon (C2vr) are regional oil saturated on the Tatarstan Republic and located in the oil-and-gas-bearing ...
The reasons of low efficiency of oil extraction from reservoirs of the Vereyskian horizon at Akanskoye oilfield

Korolev E.; Kolchugin A.; Morozov V.; Nizamutdinov N.; Pronin N. (2014)

The authors researched oil reservoirs of Vereyskian horizon at Akanskoye oilfield. Oilfield is located on the east of the Melekess depression (the Tatarstan Republic). Two types of reservoir were identified: clastic and ...
The relationships between petroleum composition and viscosity of oil and petrophysical properties of oil reservoirs

Korolev E.; Eskin A.; Morozov V.; Kolchugin A.; Plotnikova I.; Pronin N.; Nosova F. (2013)

The objects of research were carbonate oil reservoirs of lower and middle Carboniferous on the south-east of the Republic of Tatarstan. They have a complex structure caused by not only heterogeneity of lithology, also ...
The use of horizontal wells in inhomogeneous carbonate reservoirs (Cherepetsky horizon of the south-east of the Tatarstan Republic)

Yarakhanova D.; Kolchugin A. (2016)

Due to the deterioration of the development of oil deposits in clastic reservoirs, last time actively are introduced to the development of carbonate reservoirs with heavy and viscosity oil. Such reservoirs are often ...
Typical sections of Bashkirian carbonate rocks and structure of oil deposits in southeast part of the Republic of Tatarstan

Kolchugin A.; Morozov V.; Korolev E.; Eskin A.; Gazeeva F. (2013)

Carbonate rocks of Bashkirian stage are regional oil saturation in southeast part of the Republic of Tatarstan. Bashkirian reservoir rocks are not all oil saturation that is caused by environments of carbonate sedimentation. ...

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