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Yurij A. Egorov, Marina S. Vorobyova, Artem M. Vorobyov

FDET Algorithm for Building Space of Classification Patterns in Graph Model

This paper considers the graph model of the complex objects classification. Within this model’s framework the authors consider g...

Elena G. Brunova, Yuliya V. Bidulya

Algorithm with formal grammar elements for sentiment analysis

This study carried out within computational linguistics presents the analysis of the subjective information from user-generated content. The sentiment lexicon (583 i...

Alexander Ya. Gilmanov, Tatyana N. Kovalchuk, Rodion M. Skoblikov, Anton O. Fedorov, Yesinjon N. Khodzhiev, Alexander P. Shevelev

Analysis of the influence of the thermophysical parameters of the reservoir and fluid on the process of cyclic steam stimulation

Currently, the existing models of cyclic steam stimulation do not allow to research the development of the heat front at the stage of steam injection into the reserv...

Yuriy A. Keller

The influence of wave dimensions of a dielectric ellipsoid on the modelling accuracy in the presence of near placed thin wires

We suggest a variant of auxiliary sources method to simulate electromagnetic scattering on a three-dimensional dielectric body in the presence of near placed thin w...

Ksenia A. Batishcheva, Yuliya N. Vympina, Evgenia G. Orlova

The influence of laser treatment of aluminum-magnesium alloy surface on the “self-assembly” of nanoparticles during the evaporation of colloidal solution

Establishing the characteristics of the self-assembly of micron and sub-micron particles when colloidal solution droplets evaporate from solid surfaces is an ...

Yuri V. Pakharukov, Rustam T. Alimhanov, Ruslan F. Mazitov, Vjacheslav V. Halin

Effect of heat convection on periodic hydrophobization collectors

The paper considers the effect of thermal convection on the structure formation of adsorbed layers during the hydrophobization process. It is shown that the periodic...

Yuri V. Pakharukov, Rustam Sh. Salikhov

Displacement of residual oil from low permeable hydrophobized collectors

The article describes a mechanism of oil displacement in the tertiary stage of field development. It is shown that the most important element in solving the problem ...

Yakov V. Shirshov, Sergey P. Rodionov

Computational technology for reservior pressure and hydoconductivity based on production data

The paper presents the computational technology of generating isobar maps and hydraulic permeability maps according to the production data (bottomhole pressure, well...

Nelli F. Chistyakova, Yuliya M. Onishchuk

Hydrodynamic Modeling of the Production of Petroleum Hydrocarbons in the Conditions of Different-Speed Production of Carbonate Reservoirs

A filtration model of carbonate reservoirs of the studied deposit is constructed using the basic geological basis that takes into ...

Oleg A. Simonov, Lyudmila N. Filimonova, Yuliya Yu. Erina

Determining applicability limits for the analytical calculation of the effective radius in a two-capillary channel

This paper analyzes an approach for calculating the effective radius of a channel consisting of two segments of cylindrical capillaries, through which the flow is hy...

Yuri V. Pakharukov, Konstantin S. Voronin

Dislocation mechanism of leaching of carbon at the grain boundaries in the aging process of pipe steels

In this paper we consider the aging mechanism of pipe steels as a hierarchical process of displacement of carbon atoms and the formation of carbide inclusions at the...

Rustam Sh. Salikhov, Ruslan F. Mazitov, Yuri V. Pakharukov

The heat exchange intensification under incomplete hydrophobization oil reservoirs

High-viscosity oil recovery often requires thermal methods of enhanced oil recovery combining surface acting agent (SAA) injection. Thermal treatment allows ...

Yuri V. Pakharukov, Farid K. Shabiev, Ruslan F. Safargaliev, Boris S. Yezdin, Valery V. Kalyada

Use of nanofluids based on carbon nanoparticles to displace oil from the porous medium model

Graphene, due to its two-dimensional structure, has some unique properties. For example, the thermal conductivity and electrical conductivity of graphene...

Yakov V. Shirshov, Sergei V. Stepanov

The effect of the digital core image resolution on permeability

Digital core analysis using three-dimensional tomographic images of the internal structure of porous media has received significant development in recent years. Thre...

Boris S. Yezdin, Valery V. Kalyada, Sergey A. Vasiliev, Farid K. Shabiev, Yuri V. Pakharukov, Ruslan F. Safargaliev

Research on the thermodynamic conditions for the pyrolysis of monosilane in a cyclic compression reactor

In this work the pyrolysis of monosilane under adiabatic compression conditions in an argon atmosphere is investigated. Cyclic compression reactor is used to create ...

Yaroslav A. Kryazhev, Alexander P. Shevelev, Alexander Ya. Gilmanov

Study of the efficiency of displacement of high-viscosity fluid by a two-phase heat carrier depending on the rate of heat supply to a porous medium and the magnitude of heat losses

The paper considers the problem of displacement of high-viscosity oil by saturated steam continuously injected into the formation. For this process, a system of math...

Yuriy N. Loginov, Yuliya V. Zamaraeva