Search Results - "Sitnov, Sergey A."

Aquathermolysis of Heavy Crude Oil: Comparison Study of the Performance of Ni(CH3COO)2 and Zn(CH3COO)2 Water-Soluble Catalysts by Yasser I. I. Abdelsalam, Firdavs A. Aliev, Oybek O. Mirzayev, Sergey A. Sitnov, Vladimir E. Katnov, Leysan A. Akhmetzyanova, Rezeda E. Mukhamatdinova, Alexey V. Vakhin

“…Aquathermolysis is one of the crucial processes being considered to successfully upgrade and irreversibly reduce the high viscosity of heavy crude oil during…”
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The Composition and Structure of Ultra-Dispersed Mixed Oxide (II, III) Particles and Their Influence on In-Situ Conversion of Heavy Oil by Irek I. Mukhamatdinov, Aliya R. Khaidarova, Rumia D. Zaripova, Rezeda E. Mukhamatdinova, Sergey A. Sitnov, Alexey V. Vakhin

“…This paper discusses the role of magnetite in the conversion of heavy oil from the Ashal'cha reservoir. The effect of catalysts on the in-situ upgrading of…”
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Underground Upgrading of the Heavy Crude Oil in Content-Saturated Sandstone with Aquathermolysis in the Presence of an Iron Based Catalyst by Sergey A. Sitnov, Irek I. Mukhamatdinov, Dmitry A. Feoktistov, Yaroslav V. Onishchenko, Vladislav A. Sudakov, Marat I. Amerkhanov, Alexey V. Vakhin

“…Increasing the efficiency of thermal recovery methods is an important and relevant task. This study is devoted to reducing heavy components (resins and…”
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Nonylphenol Ethoxylate Surfactants Modified by Carboxyl Groups for Foam EOR at High-Salinity Conditions by Saifullin, Emil R., Zhanbossynova, Shinar, Zharkov, Dmitrii A., Pavelyev, Roman S., Yuan, Chengdong, Varfolomeev, Mikhail A., Mirzakimov, Ulukbek Zh, Ivanov, Sergey Yu, Sitnov, Sergey A.

“…High mineralization of water complicates the use of foam in reservoir conditions. Anionic–nonionic surfactants are one of the best candidates for these…”
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Integrated Modeling of the Catalytic Aquathermolysis Process to Evaluate the Efficiency in a Porous Medium by the Example of a Carbonate Extra-Viscous Oil Field by Ilgiz F. Minkhanov, Vladislav V. Chalin, Aidar R. Tazeev, Alexander V. Bolotov, Irek I. Mukhamatdinov, Sergey A. Sitnov, Alexey V. Vakhin, Mikhail A. Varfolomeev, Sergey I. Kudryashov, Igor S. Afanasiev, Alexey V. Solovyev, Georgiy V. Sansiev, Dmitry A. Antonenko, Kirill A. Dubrovin, Iaroslav O. Simakov

“…In order to evaluate the efficiency of the catalytic aquathermolysis process, physical modeling was carried out on bituminous sediments of Paleocene–Miocene…”
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Innovative dual injection technique of nonionic surfactants and catalysts to enhance heavy oil conversion via aquathermolysis by Kholmurodov, Temurali, Khelkhal, Mohammed A., Galyametdinov, Yuriy, Ayaz, Nezih, Tajik, Arash, Sitnov, Sergey A, Vakhin, Alexey V.

“…[Display omitted] •Co-injection of surfactant & nanocatalyst decreases oil viscosity by 62% via synergistic pathways.•Surfactant unpacks asphaltenes, enabling…”
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Impact of Iron Tallate on the Kinetic Behavior of the Oxidation Process of Heavy Oils by Khelkhal, Mohammed A, Eskin, Alexey A, Sitnov, Sergey A, Vakhin, Alexey V

“…Oxidation of heavy and extra-heavy oils is recognized as a complicated process due to the heterogeneous nature of its reaction medium and the lack of knowledge…”
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Extra-Heavy Oil Aquathermolysis Using Nickel-Based Catalyst: Some Aspects of In-Situ Transformation of Catalyst Precursor by Alexey V. Vakhin, Firdavs A. Aliev, Irek I. Mukhamatdinov, Sergey A. Sitnov, Sergey I. Kudryashov, Igor S. Afanasiev, Oleg V. Petrashov, Danis K. Nurgaliev

“…In the present work, we studied the catalytic performance of an oil-soluble nickel-based catalyst during aquathermolysis of oil-saturated crushed cores from…”
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Aquathermolysis of heavy oil in reservoir conditions with the use of oil-soluble catalysts: part III - changes in composition resins and asphaltenes by Vakhin, Alexey V., Sitnov, Sergey A., Mukhamatdinov, Irek I., Aliev, Firdavs A., Kudryashov, Sergey I., Afanasiev, Igor S., Petrashov, Oleg V., Varfolomeev, Mikhail A., Nurgaliev, Danis K.

“…This paper discusses aquathermolysis process of heavy crude oil from Boca de Jaruco reservoir, which is developed by CSS method. The catalysts based on cobalt,…”
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Aquathermolysis of heavy oil in reservoir conditions with the use of oil-soluble catalysts: part I – changes in composition of saturated hydrocarbons by Vakhin, Аlexey V., Aliev, Firdavs. A., Kudryashov, Sergey I., Afanasiev, Igor S., Petrashov, Oleg V., Sitnov, Sergey A., Mukhamatdinov, Irek I., Varfolomeev, Mikhail A., Nurgaliev, Danis K.

“…This paper is devoted to the study of aquathermolysis processes of heavy oil produced by CSS technology on Boca de Jaruco oil field. Various catalysts based on…”
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Aquathermolysis of heavy oil in reservoir conditions with the use of oil-soluble catalysts: part II - changes in composition of aromatic hydrocarbons by Vakhin, Alexey V., Mukhamatdinov, Irek I., Aliev, Firdavs A., Kudryashov, Sergey I., Afanasiev, Igor S., Petrashov, Oleg V., Sitnov, Sergey A., Chemodanov, Artyom E., Varfolomeev, Mikhail A., Nurgaliev, Danis K.

“…This paper discusses aquathermolysis process of heavy crude oil from Boca de Jaruco reservoir, which is developed by CSS method. The catalysts based on cobalt,…”
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Effects of calcite and dolomite on conversion of heavy oil under subcritical condition by Sitnov, Sergey A., Vakhin, Alexey V., Mukhamatdinov, Irek I., Onishchenko, Yaroslav V., Feoktistov, Dmitriy A.

“…This paper discusses the physical simulation of aquathermolysis for heavy oil in the presence of minerals - dolomite and calcite. According to the…”
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The aquathermolysis of heavy oil from Riphean-Vendian complex with iron-based catalyst: FT-IR spectroscopy data by Mukhamatdinov, Irek I., Sitnov, Sergey A., Slavkina, Olga V., Bugaev, Konstantin A., Laikov, Alexander V., Vakhin, Alexey V.

“…In this paper, we investigated the influence of steam treatment on structural group composition of resins and asphaltenes of heavy oil. The object of…”
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Aquathermolysis of heavy oil in the presence of bimetallic catalyst that form in-situ from the mixture of oil-soluble iron and cobalt precursors by Baygildin, Emil R., Sitnov, Sergey A., Vakhin, Alexey V., Sharifullin, Andrey V., Amerkhanov, Marat I., Garifullina, Elvira I.

“…The design of highly efficient catalysts of cracking reactions for intensification of thermal enhanced oil recovery technologies is a relevant task. Moreover,…”
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Iron oxide nanoparticles impact on improving reservoir rock minerals catalytic effect on heavy oil aquathermolysis by Sitnov, Sergey A., Khelkhal, Mohammed Amine, Mukhamatdinov, Irek I., Feoktistov, Dmitriy A., Vakhin, Alexey V.

“…•Fe3O4 nanoparticles are effective catalysts for heavy oil aquathermolysis.•Fe3O4 nanoparticles showed the highest efficiency at 250 °C.•Fe3O4 nanoparticles…”
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In Situ Combustion of Heavy, Medium, and Light Crude Oils: Low-Temperature Oxidation in Terms of a Chain Reaction Approach by Ushakova, Alexandra S., Zatsepin, Vladislav, Khelkhal, Mohammed A., Sitnov, Sergey A., Vakhin, Alexey V.

“…Oil oxidation reactions have attracted considerable interest in terms of mechanism comprehension for thermally enhanced oil recovery applications. Many…”
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Development of a Nanodispersed Catalyst Based on Iron and Nickel for In Situ Upgrading Ashal′cha Heavy Oil by Mukhamatdinov, Irek I., Mahmoud, Ahmed Raad, Affane, Boudkhil, Mukhamatdinova, Rezeda E., Sitnov, Sergey A., Vakhin, Alexey V.

“…In this study, we conducted physical modeling to investigate the effectiveness of nanodispersed catalysts, specifically pure magnetite and magnetite with…”
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Kinetic model for Boca de Jaruco heavy crude oil catalytic aquathermolysis using NiSO4 catalyst by Félix, Guillermo, Tirado, Alexis, Varfolomeev, Mikhail A., Suwaid, Muneer A., Al-Muntaser, Ameen, Mukhamatdinov, Irek I., Sitnov, Sergey A., Vakhin, Alexey V., Kudryashov, Sergey I., Ancheyta, Jorge

“…•Asphaltenes conversion to maltenes and in-series condensation reactions predominate.•The agglomeration of aromatics to produce resins is not performed at…”
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Enhanced pyrolysis of oil sludge and polymer waste in sub and supercritical water: Production of low-carbon syngas, and liquid hydrocarbons using bimetallic catalyst based on nickel-cobalt by Djimasbe, Richard, Varfolomeev, Mikhail A., Abdelaal, Mohamed A., Galiullin, Eduard A., Feoktistov, Dmitry A., Davletshin, Rustam R., Al-Muntaser, Ameen A., Suwaid, Muneer A., Emelyanov, Dmitry A., Rodionov, Aleksandr A., Zinnatullin, Almaz L., Vakhin, Alexey V., Mukhamatdinov, Irek I., Sitnov, Sergey A., Galiakhmetova, Liliya K., Prochukhan, Konstantin Yu

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Catalytic activity of bimetallic nanoparticles based on iron and nickel sulfides for hydrogenolysis of heavy oil in case of Boca de Jaruco reservoir by Vakhin, Alexey V., Aliev, Firdavs A., Mukhamatdinov, Irek I., Sitnov, Sergey A., Pyataev, Andrew V., Kudryashov, Sergey I., Afanasiev, Igor S., Solovev, Aleksey V., Sansiev, Georgi V., Antonenko, Dmitry A., Dubrovin, Kirill A., Simakov, Iaroslav O., Sharifullin, Andrey V., Nurgaliev, Danis K.

“…•Catalysts promoted the hydrogenolysis of resins and asphaltenes.•The bimetallic catalyst based on nickel and iron metals with the mass ratio of 1:1 exhibits…”
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