Zobrazeno 1 - 10
of 212
pro vyhledávání: '"A. V. Lekomtsev"'
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 333, Iss 12, Pp 178-189 (2022)
The relevance. A promising direction for the development of oil fields is the use of unconventional methods for extraction of hard-to-recover oil reserves. Carbon dioxide technologies are of particular interest in the context of a policy to reduce th
Externí odkaz:
https://doaj.org/article/9b5240e09ec040bd9cc334a3fceb9369
Autor:
Alexander V. Lekomtsev, Victor А. Mordvinov, Romas V. Dvoreckas, Ivan B. Stepanenko, Vitaliy S. Bakaneev, Maxim A. Silichev, Konstantin V. Kornilov
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 332, Iss 5, Pp 101-109 (2021)
The relevance. Preparation of wells production to the requirements of the first quality group for the commercial purposes is becoming more relevant every year in the Perm region. Most operational facilities are in the final stages of development and
Externí odkaz:
https://doaj.org/article/5b15a3d8768c4ce8a55aebd420358296
Autor:
Alexander V. Lekomtsev, Konstantin A. Derendyaev, Andrey S. Burtsev, Ivan B. Stepanenko, Daniel B. Zhigarev
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 331, Iss 10, Pp 178-186 (2020)
The relevance. One of the main problems of the oil and gas industry in the field of oil and gas production is the production of large volumes of ballast water. The average multiplicity of pumped water to oil can be 4:1 or more. On the territory of th
Externí odkaz:
https://doaj.org/article/691ab2ec2d20461b977b199ab7ba8e9a
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 22, Iss 3, Pp 557-573 (2018)
This paper is concerned with the dynamic behavior of an elastic cylindrical pipe with surface defects interacting with the internal flow of a compressible fluid. A defect in the form of a ring of rectangular cross-section is located on the inner or o
Externí odkaz:
https://doaj.org/article/3fe39f10836a402c80d2be22720a6e23
Autor:
Pavel Yu. Ilyushin, Aleksandr V. Lekomtsev, Tatyana S. Ladeyshchikova, Ruslan M. Rakhimzyanov
Publikováno v:
Perm Journal of Petroleum and Mining Engineering, Vol 18, Iss 1, Pp 53-62 (2018)
Mechanisms of formation of deposition of asphaltenes, resins and paraffins (DARP) are considered. Molecular diffusion based on the influence of the temperature gradient is the main mechanism for DARP formation. The analysis of existing methods agains
Externí odkaz:
https://doaj.org/article/3c7a78f3e29142cfa22d15959a1f23b9
Publikováno v:
Зерновое хозяйство России, Vol 0, Iss 5, Pp 67-70 (2018)
The conducted researches estimated a present phyto sanitary situation of spring wheat sowings in the north-west of Non Black earth area. A phyto sanitary situation is usually characterized with an average level of weediness, moderate infection with l
Externí odkaz:
https://doaj.org/article/29c59dbb614e4fbdb51450f4bb4ab049
Publikováno v:
PNRPU Mechanics Bulletin. :23-35
This work is devoted to the numerical analysis of vertical elastic coaxial cylindrical shells completely or partially filled with a quiescent compressible fluid with account for sloshing of its free surface. The problem is solved in the axisymmetric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5147f50d0be6a9eda2d85342482c1f11
https://doi.org/10.15593/perm.mech/2022.1.03
https://doi.org/10.15593/perm.mech/2022.1.03
Autor:
Sergey A Bochkarev, Sergey V Lekomtsev
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 20, Iss 3, Pp 552-566 (2016)
The paper presents the results of a numerical study of the dynamic behavior of the deformable plate interacting both with the external supersonic gas flow and the internal fluid flow. The constitutive relations describing the behavior of ideal compre
Externí odkaz:
https://doaj.org/article/7d0f2a1eb8134ff39221362ffbe3d2d1
Publikováno v:
30TH RUSSIAN CONFERENCE ON MATHEMATICAL MODELLING IN NATURAL SCIENCES.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::481d4e7b85525d6f6a24d0925b6e98c8
https://doi.org/10.1063/5.0117507
https://doi.org/10.1063/5.0117507
Publikováno v:
30TH RUSSIAN CONFERENCE ON MATHEMATICAL MODELLING IN NATURAL SCIENCES.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ca4b441a282fab547de6ec6982ce034
https://doi.org/10.1063/5.0117558
https://doi.org/10.1063/5.0117558