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2019/4
Characterization and oil-oil correlation for the Mil Qasim and Sarqala oilfields based on bio-markers analysis, Kurdistan, Northern Iraq
Geosciences

Authors: Sergey F. KHAFIZOV graduated from Gubkin Russian State University of Oil and Gas in 1987. He is Doctor of Geological and Mineralogical Sciences, professor, member of the Russian Academy of Natural Sciences and AAPG, head of the Geology of Hydrocar- bon Systems Department at Gubkin Russian State University of Oil and Gas (National Research University). He is specialist in the field of oil and gas fields exploration. He is author of 4 monographs and more than 60 scientific publications in Russian and international perio- dicals. E-mail: khafizov@gubkin.ru
Rebaz Abdalaziz HAMA AMIN graduated from University of Sulaimani in 2012 and Gubkin Russian State University of Oil and Gas (National Research University) in 2016. He is post-graduate student at the Department of Geology of Hydrocarbon Systems at Gubkin Russian State University of Oil and Gas (National Research University). His scientific interests are related with geochemical studies of oils and source rock samples and basin modeling. He is author of 2 scientific publications. E-mail: Rebaz_1989sa@yahoo.com
Natalia N. KOSENKOVA graduated from Lomonosov Moscow State University in 1980. She is Candidate of Geological and Mineralogical Sciences, associate professor of the Department of Geology of Hydrocarbon Systems at Gubkin Russian State University of Oil and Gas (National Research University). She is specialist in the field of oil and gas fields exploration. She is author of 4 monographs and more than 20 scientific publications in Russian and international periodicals. E-mail: N.N.Kosenkova@gubkin.ru
Marina I. TRUNOVA graduated from Gubkin Russian State University of Oil and Gas in 1982. She is Candidate of Geological and Mineralogical Sciences, associate professor of the Department of Geology of Hydrocarbon Systems of Gubkin Russian State University of Oil and Gas (National Research University). She is specialist in the field of oil and gas fields exploration. She is author of more than 20 scientific publications. E-mail: mtrunova@gmail.com

Abstract: Gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS) methods are used to analyze crude oils obtained from Mil Qasim (MQ-1) and Sarqala (S-1) oilfields of south-eastern part of Iraqi Kurdistan using different biomarkers coefficients. Biomarkers characterization are used to provide information on the source of the organic matter, depositional environment, degree of maturity, age determination of the crude oils and their correlation between each other. The used data include normal alkanes and acyclic isoprenoids distributions, terpans, hopanes, steranes and diasternes aliphatic biomarkers, the distribution of aromatic biomarkers naphthalenes, dibenzothiophene, phenanthrene, methyldibenzothiophenes and stable carbon isotope. The oil samples from Mil Qasim and Sarqala oilfields are characterized by a low Pr/Ph ratio (< 1,0), a relatively low oleanane ratio, abundance of moderate C27 regular steranes and diasteranes, a relatively high C30 sterane index, the presence of tricyclic terpenes, relatively high dibenzothiophene / phenanthrene ratios, high CPI ratio (≥ 1,0) and high Ph/nC18 ratio. All of the above parameters indicate that the source rocks represented by calcareous marls were deposited under anoxic — reducing marine environments with type II of organic matter and were generated at moderate stage of maturity. All of the age diagnosed biomarker parameters indicate that the source of oils in Mil Qasim and Sarqala oilfield are the Lower Cretaceous formations (Balambo-Qamchuqa formations). Two samples of oil from the Mil Qasim field (MQ-1) and oil samples from the Sarkal field (S-1) show an excellent oil-oil correlation based on the comparison of biomarker characteristics.<

Index UDK: 550.4+553.98(55)

Keywords: biomarker, correlation, Iraqi Kurdistan, organic matter, oil, depositio- nal environment, maturity of the oil

Bibliography:
1. Grantham P.J., Wakefield L.L. Variations in the sterane carbon number distributions of marine source rock derived crude oils through geological time. Organic Geochemistry, 1988, vol. 12, p. 61-73.
2. Hama Amin R.A. Geochemical characterization of the Upper Cretaceous Shiranish formation speak of his high potential in the south-eastern part of Iraqi Kurdistan. Oil&Gas Journal Russia, 2017, no. 8 (118), p. 50-55.
3. Mohialdeen I.M.J., Hakimi M.H., Al-Beyati F.M. Geochemical and petrographic characterization of Late Jurassic-Early Cretaceous Chia Gara Formation in Northern Iraq: palaeoenvironment and oil generation potential. Mar Pet Geol, 2013, vol. 43, p. 166–177.
4.
Killops K., Killops V. Introduction to Organic Geochemistry, second edition, Black well publishing, 2005, 393 р.
5. Osuji L.C., Antia B.C. Geochemical Implication of some Chemical Fossils as Indicators of Petroleum Source Rocks, AAPL Journal, Sci. Environ. Mgt, 2005, vol. 9, no.1, p. 45-49.
6. Peters K.E., Walters C.C., Moldowan J.M. The Biomarker Guide, Second Edition, vol. II. Biomarkers and Isotopes in Petroleum Systems and Earth History. United Kingdom at the Cambridge University Press, 2005, 684 p.
7. Shanmugam G. Significance of coniferous rain forests and related organic matter in generating commercial quantities of oil, Gippsland Basin, Australia. AAPG Bulletin, 1985, no. 69 (8), p. 1241-1254.
8. Sofer Z. Stable carbon isotope compositions of crude oils-application to source depositional environments and petroleum alteration. AAPG Bulletin, 1984, vol. 68, no. 1, p. 31-49.
9. Wang Y., Cerling T.E., Effland W.R. Stable isotope ratios of soil carbonate and soil organic matter as indicators of forest invasion of prairie near Ames, Iowa. Oecologia, 1993, no. 95, р. 3-365.
10. Waples D.W., Machihara T. Biomarkers for geologists, A practical guide to the application of steranes and triterpanes in petroleum geology. AAPG Methods in Exploration, 1991, vol. 9, no. 91, 69 р.
11. Wan Hasiah A., Abolins P. Organic petrological and organic geochemical characterization of the Tertiary coal-bearing sequence of Batu Arang, Selangor, Malaysia. Journal of Asian Earth Sciences, 1998, vol. 16, no. 4, p. 315-367.
12. Younes M.A., Philp R.P. Source Rock Characterization based on Biological Marker Distribution of Crude Oils in the Southern Gulf of Suez, Egypt. Journal of Petroleum Geology, 2005, vol. 28, no. 3, p. 301-317.

2019/4
Тhe model of the geological structure of the lower crayric and jurician deposits of the aquatoria of the Ob guba of the Kara sea in connection with the prospects of oil and gas
Geosciences

Authors: Alexander D. DZUBLO graduated from Gubkin University in 1972. He is Doctor of Geological and Mineralogical Sciences, Professor of the Department of Development of Offshore Oil and Gas Fields of the Gubkin Russian State University of Oil and Gas (National Research University). He is specialist in the field of geology and geophysics of oil and gas fields and author of more than 130 scientific publications. E-mail: dzyublo.a@gubkin.ru
Ilya L. EVSTAFIEV graduated from Gubkin Russian State University of Oil and Gas in 2007. PhD in offshore technics and technologies, head of Exploration Department “Gazprom neft shelf” LLC. Scientific interests in geology and hydrocarbons potential of Russian Arctic and Far East offshore. Аuthor of more than 30 scientific publications. E-mail: evstafev.il@gazprom-neft.ru
Vadim V. MASLOV graduated from Gubkin Russian State University of Oil and Gas in 1995. He is Candidate of Geological and Mineralogical Sciences, associate professor of the Dept. of Geology of Gubkin Russian State University of Oil and Gas (National Research University). The scope of his scientific interest includes petroleum potential of Upper Paleozoic complex deposits in the Ustyurt region, as well as oil and gas potential shelves of marginal seas. He is author of 15 publications. E-mail: maslov.v@gubkin.ru

Abstract: On the basis of many years of geological and geophysical research and a large amount of factual material, the rationale for the discovery of oil deposits in the Lower Cretaceous and Jurassic sediments of the Ob Bay of the Kara Sea has been given.
On the territory of the Yamalo-Nenets Autonomous District, including the Ob-Taz Bay, more than 2,700 hydrocarbon (HC) deposits have been explored. The most studied is the middle part of the Ob Bay, where large gas-condensate deposits are discovered in Cretaceous sediments.
Promising oil and gas complexes of the Jurassic and Neocom are characterized by the presence of seasoned fluid seals separating the selected productive complexes. The reservoir potential of the main productive strata is confirmed by the results of testing deposits on the adjacent land. From the test results of a group of large deposits located on land (Parusovoye, Novoportovskoe, and others) on both sides of the Ob Bay, oil shows that oil is present both in neocom sediments and in the Jurassic.
The geochemical data from studies of the oil-bearing strata, the degree of their catagenetic transformation, as well as a detailed analysis of the properties and composition of hydrocarbon fluids of the Lower-Middle Jurassic and Pre-Jurassic deposits of the northern part of the West Siberian NGB, showed the possibility of the presence of oil deposits in the sediments that have not yet been studied by drilling.
The task of prospecting works in the lips of the lips is currently to identify new deep-seated anticlinal structures capable of containing industrial deposits not only of gas, but also of oil.

Index UDK: 553.98.001

Keywords: the water area of the Ob and Taz Bay, Kara Sea, shelf, geological structure, stratigraphy, Lower Cretaceous and Jurassic sediments, reservoir, oil, gas, resource base, oil and gas potential.<

Bibliography:
1. Plesovskih I.A., Nesterov I.I. (ml.), Nechiporuk L.A., Bochkarev V.S. Geological features of the northern part of the West Siberian geosyneclise and new promising objects for hydrocarbon exploration. Geology and Geophysics, Siberian Branch of the Russian Academy of Sciences, 2009, vol. 50, no. 9, p. 1025-1034.
2. Brehuntsov A.M., Nesterov I.I., Nechiporuk L.A., Shabalina T.D., Teploukhova E.N. The state of the hydrocarbon resource base of the Yamalo-Nentsky Autonomous District. Results of 2015. Geology of oil and gas, 2016, no. 5, p. 45-49.
3. Brehuntsova E.A., Kisluhin V.I. Features of the formation and oil and gas bearing of the sedimentary cover of the Yamal Peninsula. Geology, geophysics and development of oil fields, 2001, no. 5, p. 18-34.
4. Nikitin B.A., Dzyublo A.D., Kholodilov V.A., Tsemkalo M.L. Oil and gas potential of the Jurassic and perspectives of pre-Jurassic deposits of the Ob-Taz Bay and the West Yamal Shelf. Gas industry, 2011, no. 661, p. 16-24.
5. Raykevich A.I., Parasyna V.S., Kholodilov V.A., Turenkov N.A., Nezhdanov A.A., Kosa- rev I.V., Ognev A.F. Features of the geological structure and oil and gas potential of the Ob and Taz Bay. Geology, Geophysics and development. M., 2008, p. 31-37.
6. Zonn M.S., Dzyublo A.D. Collectors of the Jurassic oil and gas complex in the north of Wes- tern Siberia. М.: Science, 1990, 88 p.
7. Nikitin B.A., Dzyublo A.D., Shuster V.L. Geological and geophysical assessment of oil and gas potential prospects of deep-lying horizons of the Yamal Peninsula and the Priyamalsky shelf of the Kara Sea. Oil industry, 2014, no. 11, p. 102-106.
8. Dzyublo A.D., Maslov V.V., Evstafyev I.L. Geological structure and prospects for the discovery of oil deposits in the Lower Cretaceous and Jurassic sediments of the Ob and Taz Bay of the Kara Sea. Oil and gas industry, 2019, no. 1, p. 11-15.
9. Ulyanov G.V., Dzyublo A.D., Kholodilov V.A., Tsemkalo M.L., Kiryukhina T.A. Geoche- mical aspects of the gas and oil-bearing capacity of the Jurassic and Pre-Jurassic deposits of the north of Western Siberia and the adjacent shelf. Gas industry, 2011, no. 7, p. 66-70.
10. Kiryukhina T.A., Zonn M.S., Dzyublo A.D. Geological and geochemical preconditions of petroleum potential of the Lower Middle Jurassic and Pre-Jurassic sediments of the north of Western Siberia. Geology, geophysics and development of oil and gas fields. Moscow, 2004, p. 22-30.

2019/4
Geodynamic evolution and conditions for formation of hydrocarbon traps in junction zone of Pre-Ural marginal trough and advanced folds of Urals based on structural-kinematic modeling
Geosciences

Authors: Liana I. MINLIGALIEVA graduated from Gubkin Russian State University of Oil and Gas (National Researh University) in 2016. Assistant at the Department of Theoretical Foundations of Oil and Gas Exploration and Exploration. The author of more than 20 scientific publications.
E-mail: liana_abril@mail.ru
Alexander V. BONDAREV graduated from Gubkin Russian State University of Oil and Gas in 2011. He is Candidate of Geological and Mineralogical Sciences, Assistant Professor of the Department Theoretical Fundamentals of Prospecting and Exploration of Oil and Gas of Gubkin Russian State University of Oil and Gas (National Research University). He is author of more than 50 scientific publications.E-mail: jcomtess@yandex.ru
Alexander V. OSIPOV graduated from Gubkin Russian State University of Oil and Gas in 2010. He is Candidate of Geological and Mineralogical Sciences, Assistant Professor of the Department Theoretical Fundamentals of Prospecting and Exploration of Oil and Gas of Gubkin Russian State University of Oil and Gas (National Research University). He is author of more than 50 scientific publications. E-mail: osipov.a@gubkin.ru
Alexandra S. MONAKOVA graduated from Gubkin Russian State University of Oil and Gas in 2011. Senior Lecturer of the Department Theoretical Fundamentals of Prospecting and Exploration of Oil and Gas of Gubkin Russian State University of Oil and Gas (National Research University). The author of more than 30 scientific publications. E-mail: a.monakova@mail.ru
Victor I. ERMOLKIN is Doctor of Geological and Mineralogical Sciences, Professor of the Department of Theoretical Fundamentals of Prospecting and Exploration of Oil and Gas of Gubkin Russian State University of Oil and Gas (National Research University). He is author of more than 200 scientific publications. E-mail: viktor-ermolkin@yandex.ru

Abstract: Currently, there are many promising objects for the search for accumulations of hydrocarbons (HC). In many drilled oil and gas fields, intense oil and gas occurrences, evidence of possible accumulations of oil and gas are noted. Despite a rather wide regional geological exploration and development of hydrocarbon resources, poorly studied structures characterized by the development of folded-thrust dislocations are promising from oil and gas perspective.
The use of kinematic modeling technology allows to restore the history of the geological development of the region, to study the features of the formation of the modern morphostructure of the sedimentary cover, and also to assess the balance of structural plans and the direction of tectonic movements over the area and in time, as well as to typify discontinuous disturbances and determine the time of their formation.
The article presents the results of a detailed study of the features of the tectonic structure and geodynamic evolution of the sedimentary basin of the Ural fold system, as well as the mechanisms of formation of reverse-thrust structures based on structural-kinematic modeling. The conditions for the formation of hydrocarbon traps associated with dislocational thrust type dislocations are determined, faults are typified within the junction zone of the Ural marginal trough and the Ural folds based on the analysis of paleotectonic reconstructions.

Index UDK: 550.8.013

Keywords: reverse-thrust structures, kinematic modeling, аdvanced Ural folds, Pre-Ural marginal deflection, hydrocarbons, discontinuous faults

Bibliography:
1. Ivanov S.N., Puchkov V.N., Ivanov K.S. i dr. Formirovaniye zemnoy kory Urala [The formation of the crust of the Urals]. M.: Nauka, 1986, 248 p.
2. Kopp M.L., Vasiliev N.Yu., Kolesnichenko A.A. i dr. Kaynozoyskoye pole napryazheniy vostoka Russkoy ravniny i Yuzhnogo Urala (rezul’taty komp’yuternogo modelirovaniya po dannym strukturnykh nablyudeniy) [Cenozoic stress field of the east of the Russian Plain and the South Urals (results of computer modeling according to structural observations)] [Electronic resource]. Access mode: http://www.ifz.ru/fileadmin/user_upload/subdivisions/506/OMTS/2014/20.11/Kopp.pdf
3. Kerimov V.Yu., Kuznetsov N.B., Mustayev R.N. i dr. Usloviya formovaniya skopleniy uglevodorodov vo vzryvoopasnoy strukture vostochnogo bora predural’skogo progiba [Conditions of formation of hydrocarbon accumulations in the thrust structures of the eastern side of the Pre-Ural downwarp]. Neftyanoye khozyaystvo [Oil industry], 2017, no. 7, p. 36-41.
4. Kuznetsov N.B., Kerimov V.Yu., Osipov A.V. i dr. Evolyutsiya, geodinamika i geome- khanicheskoye modelirovaniye skopleniy uglevodorodov [Evolution, geodynamics of sub-thrust zones of the Pre-Ural marginal deflection and geomechanical modeling of the formation of hydrocarbon accumulations]. Geotektonika [Geotectonics], 2018, no. 3, p. 3-20.
5. Minligaliyeva L.I. Prognoz neftegazonosnosti yuzhnoy chasti Predural’skiy progib i zony peredovykh skladok Urala na osnove geomekhanicheskogo i basseynovogo modelirovaniya [Forecast of oil and gas potential of the southern part of the Preduralsk downwarp and the zone Advanced warehouses of the Urals based on geomechanical and basin modeling]. XI Mezhdunarodnyye nauchno-prakticheskiye konferentsii studentov, aspirantov i molodykh uchenykh [Geology in the developing world, a collection of scientific papers on the materials of the XI International Scientific and Practical Conference of Students, Postgraduates and Young Scientists]. Permskiy gosudarstvennyy natsional’nyy issledovatel’skiy universitet [Perm State National Research University], 2018, p. 145-148.
6. Minligalieva L.I., Kerimov V.Yu. Usloviya formirovaniya lovushek i zalezhey uglevodorodov v podnadvigovykh zonakh Predural’ya [Conditions for the formation of traps and hydrocarbon deposits in the subthrust zones of the Urals]. Nedropol’zovaniye XXI vek [Subsoil use XXI century], 2019, no. 4 (80), p. 34-45.
7. Minligalieva L.I., Kerimov V.Yu., Osipov A.V. i dr. Geomekhanicheskoye modelirovaniye vzbroso-nadvigovykh struktur Predural’skogo progiba [Geomechanical modeling of thrust-thrust structures of the Ural trough]. Sbornik: “Novyye idei v naukakh o Zemle”. Materialy XIV Mezhdunarodnoy nauchno-prakticheskoy konferentsiii. [In the collection: New ideas in Earth sciences Materials of the XIV International scientific-practical conference], 2019, p. 264-267.
8. Minligalieva L.I., Monakova A.S. Geomekhanicheskoye modelirovaniye zony sochleneniya Predural’skogo krayevogo progiba i peredovykh skladok Urala. [Geomechanical modeling of the articulation zone of the Ural marginal deflection and advanced folds of the Urals]. Sbornik: “Bakirovskiye chteniya”. [In the collection: Bakirov readings collection of scientific papers], 2018, p. 151-156.
9. Osipov A.V., Bondarev A.V., Mustaev R.N. i dr. Rezul’taty geologo-s’yemochnykh rabot na vostochnom bortu yuzhnoy chasti Predural’skogo progiba [Results of geological survey work on the eastern side of the southern part of the Ural trough]. Izvestiya vysshikh uchebnykh zavedeniy. Geologiya i razvedka [News of higher educational institutions. Geology and exploration], 2018, no. 3, p. 42-50.
10. Osipov A.V., Vasilenko E.I., Minligalieva L.I. i dr. Uglevodorodnyye sistemy gluboko-pogruzhennykh otlozheniy yugo-vostochnoy chasti Volgo-Ural’skoy neftegazonosnoy provintsii. [Hydrocarbon systems of deeply submerged sediments of the southeastern part of the Volga-Ural oil and gas province]. Nedropol’zovaniye XXI vek [Subsoil use XXI century], 2018, no. 6 (76), p. 40-49.
11. Osipov A.V., Monakova A.S., Minligaliyeva L.I. Generatsionno-akkumulyatsionnyye ugle-vodorodnyye sistemy yuzhnoy chasti Predural’skogo krayevogo progiba [Generation-accumula- tion hydrocarbon systems of the southern part of the Pre-Ural marginal deflection]. Sbornik: “No- vyye napravleniya neftegazovoy geologii i geokhimii. Razvitiye geologorazvedochnykh rabot”. [New directions of oil and gas geology and geochemistry. Development of geological], 2017, p. 285-293.
12. Puchkov V.N. Geologiya Urala i Priural’ya (aktual’nyye voprosy stratigrafii, tektoniki, geodinamiki i metallogenii) [Geology of the Urals and Cisurals (topical issues of stratigraphy, tectonics, geodynamics and metallogeny)]. Ufa: DesignPolygraphService, 2010, 280 p.
13. Puchkov V.N. Paleogeodinamika Yuzhnogo i Srednego Urala [Paleogeodynamics of the Southern and Middle Urals]. Ufa: GILEM, 2000, 146 p.
14. Puchkov V.N. Obrazovaniye Uralo-Novozemel’skogo skladchatogo poyasa — rezul’tat neravnomernoy kosooriyentirovannoy kollizii kontinentov [The formation of the Ural-Novaya Zemlya fold belt is the result of an uneven oblique-oriented collision of the continents]. Geotektonika [Geotectonics], 1996, no. 5, p. 66-75.
15. Sychev S.N. Stroyeniye i evolyutsiya glavnogo Ural’skogo razloma (yuzhnaya chast’ polyarnogo Urala) [Structure and evolution of the main Ural fault (southern part of the polar Urals)]: Author. diss. cand. geol min sciences. Moscow, 2015, 25 p.
16. Brown D., Alvarez-Marron J., Perez-Estaun A., Gorozhanina Y., Puchkov V. The structure of the south Urals foreland fold and thrust belt at the transition to the Precaspian Basin. J. of Geol. Society, 2004, vol. 161, p. 813-822.
17. Wygrala B.P. Integrated study of an oil field in the southern Po basin, northern Italy: Ph.D. dissertation. Köln University: Jülich, Research Centre Jülich, 1989, 217 p.

2019/4
Method for determining reservoir pressure in horizontal gas wells of various profiles
Geosciences

Authors: Elena M. KOTLYAROVA graduated from Gubkin Russian State University of Oil and Gas in 1988. She is Candidate of Technical Sciences, associate professor of the Dept. of Gas and Condensate Field Development and Operation of Gubkin Russian State University of Oil and Gas (National Research University). She is expert in the field of development and operation of gas and gas-condensate fields and UGS. She is author of 50 publications. E-mail: kotlyarova_gubkin@mail.ru

Abstract: This paper discusses the possibility of determining one of the main parameters — reservoir pressure in the specific volume of drainage of a horizontal gas well; reliable determination of reservoir pressure determines the effectiveness of decisions made to control a rational system for developing hydrocarbon deposits. An algorithm for determining the reservoir pressure of a zone drained by a horizontal gas well with various profiles is presented.

Index UDK: 622.276

Keywords: formation pressure, horizontal wellbore profile, horizontal profile cross-section, static pressure, ascending profile, supercompressibility coefficient

Bibliography: 1. Gritsenko A.I., Aliev Z.S. Rukovodstvo po issledovaniyu skvazhin. M.: Nauka, 1995, 523 р.
2. Aliev Z.S. i dr. Opredeleniye osnovnykh parametrov gorizontal’nykh gazovykh skvazhin. M.: Izd. tsentr RGU nefti i gaza imeni I.M. Gubkina, 2012, 228 р.
3. Aliev Z.S. i dr. Teoreticheskie i tekhnologicheskie osnovy primeneniya gorizontal’nyh skvazhin dlya osvoeniya gazovyh i gazokondensatnyh mestorozhdenij. M.: Nedra, 2014, 450 р.
4. Aliyev Z.S., Sheremet V.V. Opredelenie proizvoditel’nosti gorizontal’nyh skvazhin, vskryvshih gazovye i gazoneftyanye plasty. M.: Nedra, 1995, 131 р.
5. Aliyev Z.S., Kotlyarova Ye.M. Gazogidrodinamicheskiye osnovy i ekonomicheskaya otsenka effektivnosti primeneniya gorizontal’nykh skvazhin. M: RGU nefti i gaza imeni I.M. Gubkina, 2016, 92 р.

2019/4
Improving development efficiency of porous fractured carbonate reservoirs’ with respect for wettability characteristics
Geosciences

Authors: Elsa R. SHAIKHLISLAMOVA graduated from Gubkin Russian State University of Oil and Gas (National Research University) (master’s degree) in 2016. She is postgraduate student of the Department of Oil and Field Development and Operation of Gubkin Russian State University of Oil and Gas (National Research University). She is author of 2 scientific works. E-mail: Shaykhlislamova.e@gubkin.ru
Igor T. MISHCHENKO was born in 1937, graduated from Ufa Petroleum Institute in 1961 and completed a course of postgraduate studies at Gubkin Moscow Institute of Petrochemical and Gas Industry in 1965. Нe is Doctor of Technical Sсiences, Head of the Department of Oil Field Development and Operation at Gubkin Russian State University of Oil and Gas (National Research University). He is specialist in the development and operation of oil fields and author of over 350 scientific works. E-mail: info_oil@list.ru
Kirill A. BRAVICHEV was born in 1971, graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1992. Candidate of Technical Sciences, assistant-pro-fessor of the Department of Oil Field Development and Operation of Gubkin Russian State University of Oil and Gas (National Research University). He published over 30 works. E-mail: bravicheva_t_b@mail.ru
Maxim V. KOLESNIKOV was born in 1993, graduated of Gubkin Russian State University of Oil and Gas (National Research University) in 2019. He is postgraduate student of the Department of Oil and Field Development and Operation of Gubkin Russian State University of Oil and Gas (National Research University). He is author of more than 10 scientific works. E-mail: MKolesnikov@vniineft.ru

Abstract: The results of physical modelling and numerical studies of the efficiency of development processes for porous fractured type carbonate reservoirs with low-permeability matrix at steady and cyclic water flooding are presented. Quantitative patterns of influence on specific indicators of the development of natural and technological parameters for the development of scientific and methodological foundations of new energy-saving waterflooding technologies are obtained.

Index UDK: 622.276

Keywords: carbonate reservoir, low-permeability matrix, porous fractured reservoir, steady water flooding, cyclic water flooding, reservoir properties, technology parameters, scientific and methodological foundations, energy-saving water flooding technologies, core material, extragents, core cleaning agents, laboratory research

Bibliography:
1. Golf-Raht T.D. Osnovy neftepromyslovoj geologii i razrabotki treshhinovatyh kollektorov: Per. s angl. N.A. Bardinoj, P.K. Golovanova, V.V. Vlasenko, V.V. Pokrovskogo pod red. A.G. Kovaleva. M.: Nedra, 1986, 608 р.
2. Izvlechenie nefti iz karbonatnyh kollektorov. M.L. Surguchev, V.I. Kolganov, A.V. Gavura i dr. M.: Nedra, 1987, 230 р.
3. Mishhenko I.T., Bravichev K.A., Zagajnov A.N. Povyshenie jeffektivnosti razrabotki karbonatnyh kollektorov porovo-treshhinnogo tipa s nizkopronicaemoj gidrofil’noj matricej. Neft’, gaz i biznes, 2013, no. 10, p. 34-42.
4. GOST 26450.0-85 — GOST 26450.2-85. Porody gornye. Metody opredelenija kollektorskih svojstv.
5. Cuiec L.E. Rock/Crude Oil Interactions and Wettability: An Attempt To Understand Their Interrelation, paper SPE 13211 presented at the 1985 Annual Conference and Exhibition, Houston, 16-19 September.
6. Gant P.L., Anderson W.G. Core Cleaning for Restoration of Native Wettability, paper SPE 14875 prepared for presentation at the Rocky Mountains Regional Meeting of the Society of Petroleum Engineers held in Billings, MT, May 19-21, 1986.
7. Tul’bovich B.I. Metody izuchenija porod-kollektorov nefti i gaza. M.: Nedra, 1979, 199 p.
8. OST 39-180-85. Neft’. Metod opredelenija smachivaemosti uglevodorodosoderzhashhih porod.
9. Kovaljov K.M., Kolesnikov M.V. i dr. Issledovanija smachivaemosti karbonatnyh kollektorov na osnove iskusstvennogo starenija. SPE-182064. Moscow: SPE Russian Petroleum Technology Conference and Exhibition, 2016.

Authors: Alina R. ZILEEVA graduated from Gubkin Russian State University of Oil and Gas (National Research University) in 2019. She is master’s degree student of the Department of Oil Field Development and Operation of Gubkin Russian State University of Oil and Gas (National Research University). E-mail: alinazileeva@gmail.com
Mikhail A. MOKHOV is Professor of the Department of Oil Field Development and Operation of Gubkin Russian State University of Oil and Gas (National Research University), Doctor of Technical Sciences. He teaches courses in “Well Operation in Complicated Conditions”, “Technology and Equipment of Oil Production by Submersible pumps in Complicated Conditions”, “Borehole Oil Production”. He is Honorary Worker of Higher Professional Education of the Russian Federation, Honorary oilman, Laureate of the Russian Government prize in science and technology. He is author of 10 textbooks, 80 scientific works, including 5 monographs. E-mail: gasseparator@mail.ru

Abstract: Currently, the field in article is a brown oil field, characterized by high costs of extracting remaining oil reserves. Dual production is actively used at the deposit, with all productive layers being developed by mechanized methods. To increase the efficiency of oil recovery and reduce operating costs, it was proposed to optimize the equipment layout for dual production of two objects and use a mechanical pressure transducer in combination with a sucker rod pump. In this study the candidate well was selected, the technical data of the pressure multiplier was calculated and equipment was selected using existing methods. The device does not require the supply of energy from the surface, which allows reducing the cost of operating development facilities.

Index UDK: 622.24(075.8

Keywords: mechanical transducer, pressure multiplier, dual production, brown field

Bibliography:
1. Mishchenko I.T., Sakharov V.A., Gron V.G., Bogomolny G.I. Sbornik zadach po tekhnologii i tekhnike neftedobychi [Collection of tasks on the technology and techniques of oil production]. M.: Nedra, 1984, 272 p.
2. Gadiev S.G.I., Sakharov V.A., Vasilevsky V.L. Sposob ekspluatatsii zalezhey zhidkikh poleznykh iskopayemykh [The method of liquid mineral deposits exploitation]. Patent RF, no. 1630366, 20.07.1997. Bul. no. 20.
3. Sakharov V.A., Vasilevsky V.L., Nazaretova A.A. Ustroystvo dlya ekspluatatsii zalezhi zhidkikh poleznykh iskopayemykh [Device for exploitation of a liquid mineral deposit]. Utility Model Certificate, no. 29334, 10.05.2003. Bul. no. 13.
4. Sereda N.G., Sakharov V.A., Timashev A.N. Sputnik neftyanika i gazovika. Spravochnik [Companion of the oilman and gasman. Reference book]. M.: Nedra, 1986, 325 p.

2019/4
Features of the organization of diagnostic maintenance of equipment and pipelines of oil and gas productions operated in difficult engineering and geological conditions
Geosciences

Authors: Alexey P. ZAV’YALOV graduated from Gubkin Russian State University of Oil and Gas in 2002. Candidate of technical Sciences, associate Professor of the Department of oil and gas processing equipment of Gubkin Russian State University of Oil and Gas (National Research University). Specialist in the field of reliability and technical diagnostics of pipeline systems. Author of about 70 scientific publications. E-mail: zavyalovap@yandex.ru
Igor A. GOL’DZON graduated from the Siberian state automobile and road Academy in 2008. Candidate of the Department of thermodynamics and heat engines of Gubkin Russian State University of Oil and Gas (National Research University). Specialist in the construction of CNG stations and supply pipelines. Author of 8 scientific publications. E-mail: goldzon.ia@yandex.ru

Abstract: The article deals with the problem of organization of diagnostic maintenance and hazard assessment of local defects of equipment and pipelines operated in complex engineering and geological conditions. The peculiarity of such structures is the impact on the design of non-project loads, largely affecting both the real danger of local defects, and the operational reliability of the object as a whole. The article analyzes the existing approach to assessing the danger of local defects of equipment and pipelines, offers suggestions for its improvement in relation to structures operated in complex engineering and geological conditions, and puts forward general proposals for improving the system of diagnostic maintenance of such structures.

Index UDK: 620.19

Keywords: equipment, pipeline, reliability, repair, technical diagnostics, stress-strain state, finite element method

Bibliography:
1. Gol’dzon I.A., Zav’yalov A.P. Nadezhnost’ i ekologicheskaya bezopasnost’ neftegazovyh ob’ektov v slozhnyh inzhenerno-geologicheskih usloviyah. Zashchita okruzhayushchej sredy v neftegazovom komplekse, 2019, no. 1, p. 7-9.
2. Angalev A.M., Antipov B.N., Zarickij S.P., Lopatin A.S. Diagnosticheskoe obsluzhivanie magistral’nyh gazoprovodov: Uchebnoe posobie. M.: OOO “MAKS Press”, 2009, 112 p.
3. Zav’yalov A.P. Analiz sovremennyh tendencij razvitiya sistem remontno-tekhnicheskogo i diagnosticheskogo obsluzhivaniya neftegazovyh proizvodstv. Oborudovanie i tekhnologii dlya neftegazovogo kompleksa, 2018, no. 10, p. 67-72.
4. Lopatin A.S. Nauchnye osnovy sozdaniya sistemy diagnosticheskogo obsluzhivaniya gazo-transportnogo oborudovaniya kompressornyh stancij: Diss. na soiskanie stepeni dokt. tekhn. nauk. M: RGU nefti i gaza (NIU) imeni I.M. Gubkina, 1998, 308 p.
5. Borodin V.I., Shepelev R.E., Lyapichev D.M., Lopatin A.S., Nikulina D.P. Primenenie risk-orientirovannogo podhoda k ocenke neobhodimosti i celesoobraznosti ustanovki sistem monitoringa tekhnicheskogo sostoyaniya gazoprovodov. Gazovaya promyshlennost’, 2018, no. 1 (763), p. 60-63.
6. Zav’yalov A.P. Razrabotka nauchno-metodicheskih osnov obespecheniya nadezhnosti eksplu-atacii neftegazovyh ob’ektov v usloviyah arkticheskogo shel’fa. Energosberegayushchie tekhnologii i tekhnicheskaya diagnostika. M.: RGU nefti i gaza (NIU) imeni I.M. Gubkina, 2016, p. 90-99.
7. API 580. Risk-Based Inspecton.
8. Zav’yalov A.P. Sovershenstvovanie metodov ocenki tekhnicheskogo sostoyaniya tekhnolo- gicheskih truboprovodov po rezul’tatam diagnostirovaniya: Diss. na soiskanie stepeni kand. tekhn. nauk. M: RGU nefti i gaza (NIU) imeni I.M. Gubkina, 2006, 101 p.
9. Angalev A.M., Egorov S.I., Lopatin A.S., Lyapichev D.M. Metody i sredstva nerazrushayu-shchego kontrolya oborudovaniya i truboprovodov kompressornyh stancij: Ucheb. posobie. M.: RGU nefti i gaza imeni I.M. Gubkina, 2015, 95 p.
10. Zhuchkov K.N., Zav’yalov A.P., Luk’yanov V.A. O neobhodimosti sovershenstvovaniya podhodov k ocenke parametrov nadezhnosti oborudovaniya i truboprovodov gazotransportnyh system. Gazovaya promyshlennost’, 2016, no. 11 (745), p. 54-60.
11. Gusejnov K.B., Zav’yalov A.P., Lopatin A.S. Vybor metodov diagnostiki dlya uchastkov magistral’nyh gazoprovodov, prolozhennyh v osobyh klimaticheskih usloviyah. Upravlenie kache-stvom v neftegazovom komplekse, 2014, no. 2, p. 25-26

2019/4
Mathematical model of multi-criteria optimization scheduling of branched system pipelines transportation
Geosciences

Authors: Roman M. GORINOV graduated from Gubkin Russian State University of Oil and Gas (National Research University) in computer science and computer facilities in 2017. He is Post-graduate student of Gubkin Russian State University of Oil and Gas (National Research University). E-mail: romagorinov@mail.ru
Vitaly A. SHVECHKOV graduated from Gubkin Russian state University of Oil and Gas in computer science and computer facilities in 2002. He is Candidate of Technical Sciences, Associate Professor of the Dept. of Design and Operation of Oil and Gas Pipelines of Gubkin Russian state University of Oil and Gas (National Research University). He is author of 45 scientific and methodical works: 3 educational publications, 36 scientific works, 6 copyright certificates of state registration of computer programs. E-mail: shvechkov.v@gubkin.ru
Yury P. STEPIN (born 1946) graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1969, specializing in “Industrial Electronics” in 1975 he completed his postgraduate course. He is Doctor of Technical Sciences, Professor of the Department of Automated Control Systems of Gubkin Russian State University of Oil and Gas (National Research University). He is author of 146 scientific and methodical papers, 118 scientific-papers, 23 teaching aids, 3 books and 2 patents. He has prepared 5 candidates of sciences. E-mail: stepin.y@gubkin.ru

Abstract: The article presents a mathematical model of optimal monthly scheduling of branched oil pipelines system operation. The multi-criteria nature of the task is shown. In addition to the criterion of energy consumption, the criteria for uniformity of pumping, the number of switching of pipeline operating modes and the value of the performance difference when changing the pipeline operating mode are considered. The mathematical model takes into account the following features: the presence of suppliers/consumers connected to the technological areas, the presence of technological areas with initial or final reservoir parks not available for scheduling, the presence of interval limitations on the oil intake/delivery/transshipment and the presence of partially defined schedules of oil intake/delivery/transshipment.

Index UDK: 681.5:519.86

Keywords: branched oil pipelines system, multicriteria optimization, optimal planning, trunk pipeline operation planning

Bibliography: br/> 1. Veremeenko S.A. Ratsional’naya zagruzka sistemy magistral’nykh nefteprovodov s uchetom dvukhstavochnogo tarifa energosistem. Dokt. Diss. Abstr. Ufa, 1982, 20 p.
2. Shchepetkov L.G. Metody resheniya zadachi optimizatsii v operativnom upravlenii magistral’nymi nefteprovodami. Dokt. Diss. Abstr. Moscow, 1972, 22 p.
3. Meerov M.V., Fridman V.G., Shchepetkov L.G. Metod optimizatsii plana perekachki dlya nefteprovoda. Neftyanaya promyshlennost’. Seriya “Transport i khranenie nefti i nefteproduktov” — Oil industry. “Oil and oil products transportation and storage” issue, Moscow: VNIIOENG Publ., 1970, no. 12, p. 31-34 (in Russian).
4. Meerov M.V., Fridman V.G., Shchepetkov L.G. Zadacha optimal’nogo upravleniya neftepro-vodom. Sbornik nauchnykh statey “Neft’ i gaz”. — Collection of scientific articles “Oil and Gas”. Moscow: Gubkin MINH and GP Publ., 1971, p. 35-37 (in Russian).
5. Shepetkov L.G. K zadache upravleniya sistemoy nefteprovodov. Neft’ i gaz i ikh produkty — Oil and gas and their products. Moscow: Gubkin MINH and GP Publ., 1971, p. 24-27 (in Russian).
6. Shepetkov L.G. Optimizatsiya plana perekachki dlya mnogonitochnogo nefteprovoda. Neftyanaya promyshlennost’. Seriya “Transport i khranenie nefti i nefteproduktov” — Oil industry. “Oil and oil products transportation and storage” issue, Moscow: VNIIOENG Publ., 1971, no. 3, p. 32-35 (in Russian).
7. Shammazov A.M., Kozachuk B.A., Pirogov I.N., Petrenko S.V., Lysikov E.V. Optimizatsiya grafika raboty nefteprovodov. Transport i khranenie nefteproduktov i uglevodorodnogo syr’ya. Transport and storage of oil products and hydrocarbons, 2012, no. 3, p. 3-7 (in Russian).
8. Shammazov A.M., Kozachuk B.A., Pirogov I.N., Petrenko S.V. Optimizatsiya raboty nefteprovodnykh sistem. Problemy sbora, podgotovki i transporta nefti i nefteproduktov. Problems of gathering, treatment and transportation of oil and oil products, 2011, no. 4, p. 60-67 (in Russian).
9. Veliev М.М. Nekotorye zadachi optimizatsii raspredeleniya gruzopotokov po seti magistral’nykh nefteprovodov. Dokt. Diss. Ufa, 2001, 166 p.
10. Predein O.I., Kazakov V.V. Kontseptsiya otdela glavnogo tekhnologa AO "Transneft’ - Sever v ramkakh sistemy energeticheskogo menedzhmenta. Nauka i tehnologii truboprovodnogo transporta nefti i nefteproduktov — Science & Technologies: Oil and Oil Products Pipeline Transportation, 2015, no. 3, p. 62-68 (in Russian).
11. Grishanin M.S., Andronov S.A., Katsal I.N., Kozobkova N.A. Upravlenie kachestvom nefti: informatsionnoe obespechenie. Truboprovodnyy transport nefti — Oil pipeline transportation, 2016, no. 4, p. 4-11 (in Russian).
12. Stepin Yu.P. Komp’yuternaya podderzhka formirovaniya mnogokriterial’nogo ranzhirovaniya i optimizatsii upravlencheskikh resheniy v neftegazovoy otrasli. Moscow: Nedra Publ., 2016, 421 p.

2019/4
Investigation of flow regimes of air jet from drilling tool using thermomechanical method of development of pits in gas pipelines
Geosciences

Authors: Alexey S. LOPATIN graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1979. He is Doctor of Technical Sciences, professor, Head of the Department of Termodynamics and Heat Engines of Gubkin Russian State University of Oil and Gas (National Research University). Аuthor of of more than 350 papers in the field of diagnostics, energy saving in the transport of gas and energy efficiency. E-mail: Lopatin.a@gubkin.ru
Boris L. ZHITOMIRSKIY graduated from Kamenetz-Podolsk Higher Military Engineering Command School named after Marshal of Engineering Troops Kharchenko and Kuibyshev Military Engineering Order of Lenin Red Banner Academy. He is Candidate of Technical Sciences, General Director of AO “Gazprom Orgenergogaz”. He is Professor at the Department of Termodynamics and Heat Engines of Gubkin Russian State University of Oil and Gas (National Research University). Author of more than 50 scientific papers in the field of power engineering, diagnostics, energy saving and gas transport.
E-mail: zhyitomirsky@oeg.gazprom.ru
Victor G. DUBINSKY graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1964 and the Engineering Department of the faculty of Mechanics and Mathematics of Lomonosov Moscow State University in 1966. He is Candidate of Technical Scien-ces, chief specialist of AO “Gazprom Orgenergogaz”, associate Professor at the Department of Termodynamics and Heat Engines of Gubkin Russian State University of Oil and Gas (National Research University). Author of more than 300 scientific papers, more than 100 author’s certificates and patents for inventions on methods of diagnosis, testing technology and drying of gas pipelines. E-mail: v.dubinskiy@oeg.gazprom.ru

Abstract: Ensuring reliable and safe operation of gas pipelines is a priority. The results of studies of air flow from a drilling tool during interaction with the soil using the thermomechanical method of drilling pits in gas pipelines are considered. Practical recommendations for improvement of the technology of impact on the soil of the thermomechanical boring tool with use of the gas-turbine unit as a source of thermal and electric power for diagnosing the technical condition and repair of gas pipelines under various natural and climatic conditions are made.

Index UDK: 622.691.4.004.14

Keywords: drilling, moisture content, gas pipeline, deformation, compressor, tension (stretching, shift), shrinkage of soil, cyclic air, power unit

Bibliography:
1. Charnyj I.A. Neustanovivsheesya dvizhenie real’noj zhidkosti v trubah. M.: Nedra, 1975, 275 р.
2. Lur’e M.V. Matematicheskoe modelirovanie processov truboprovodnogo transporta uglevodorodov. M.: Neft’ i gaz, 2002, 335 p.
3. Dubinskij V.G., Egorov I.F., Lopatin A.S. i dr. Teoriya i praktika ispytanij na prochnost’ i vvoda v dejstvie gazoprovodov. M.: MAKS Press, 2015, 576 p.
4. ZHitomirskij B.L., Krohmal’ S.V. Matematicheskaya model’ rabochih processov termomekhanicheskogo burovogo instrumenta. Nauchno-tekhnicheskij sbornik VIU. M.: VIU, 2005, no. 32, ch. II, p. 80-84.
5. Krohmal’ S.V., ZHitomirskij B.L. Razrabotka metodiki opredeleniya racional’nyh i konstruktivnyh parametrov TMI. Materialy nauchno-tekhnicheskoj konferencii 15 CNIII IV MO RF. Nahabino, 2005, 57 p.
6. Galyas A.A. Fiziko-tekhnicheskie osnovy termomekhanicheskogo razrusheniya krepkih gornyh porod: Avtoref. Diss. kand. tekhn. nauk. Dnepropetrovsk: Institut geotekhnicheskoj mekhaniki Akademii nauk Ukrainskoj SSR, 1986, 33 p.
7. D’yakonov YU.N., Uskov V.I. Raschyot sverhzvukovyh struj ideal’nogo gaza metodom setok. Trudy NII mekhaniki MGU “Aerodinamika bol’shih skorostej”, 1970, no. 5, p. 73-87.
8. Dubinskij V.G., Vyskrebencev K.V., Zykin A.P., Lopatin A.S. Metody modelirovaniya processov osushki truboprovodov i oborudovaniya KS posle gidroispytanij. Neft’, gaz i biznes, 2015, no. 12, p. 46-49.
9. CHuchkalov M.V., Dubinskij V.G. Fiziko-matematicheskaya model’ “stress-testa” truboprovoda. Ekspoziciya Neft’ Gaz, 2013, no. 3 (28), p. 87-89.
10. Dmitriev A.P., Goncharov S.A. Termodinamicheskie processy v gornyh porodah. M.: Nedra, 1990, 360 p.
11. Lojcyanskij M.G. Mekhanika zhidkosti i gaza. M.: Nauka, 1970, 904 p.

2019/4
Comparison of regulatory requirements for minimum distances from main gas pipelines to industrial and civil facilities taking into account technological risk
Geosciences

Authors: Valentina А. KOROLENOK graduated from Gubkin Russian State University of Oil and Gas in 2002. She is Head of the Department of Science and Education of the Scientific and Training Center “Energy-saving technologies and technical diagnostics” of Gubkin Russian State University of Oil and Gas (National Research University). E-mail: perssoft@mail.ru

Abstract: The article analyzes the system of monitoring minimum distances from pipelines to industrial and civil facilities in different countries. On the example of these countries, the principles of making technological decisions when assigning minimum distances from gas pipelines to industrial and civil facilities are considered. It is established that the indicators of technological risk associated with the reliability of the linear part of the main gas pipelines should be reduced by improving the quality of materials used, the quality of construction and operation of facilities.

Index UDK: 004.89

Keywords: monitoring, minimum distance, industrial and civil objects, database, interactive system of analysis, design and construction of pipelines

Bibliography:
1. STO Gazprom 2-2.1-249-2008. Main gas pipeline. Moscow: IRTS Gazprom, 2008, 97 p.
2. SP 36.13330.2012. Set of rules. Main pipeline. Updated version of SNiP 2.05.06-85*. Moscow: Federal center for standardization, standardization and technical assessment of conformity in construction (FAA FCS), 2012, 86 p.
3. ASME B.31.8-2012. American National Standard Code fox Pressure Piping. Gas Trasmission and Distribution Piping Systems. New York (United States of America): The american society of mechanical engineers, 2013, 228 p.
4. BS CP 2010-2:1970. Code of practice for pipelines. Design and construction of steel pipelines in land. London (United Kingdom): The British Standards Institution, 2010, 44 p.
5. CAN/CSA Z662-11. Oil and gas pipeline systems. Ottawa (Canada): The Standards Council of Canada, 2011, 750 p.
6. DIN EN 13480-1:2013. Metallic industrial piping. Part 1: General. Вerlin (Germany): German Institute for Standardization, 2013, 19 p.
7. Reshetnikov A.D., Kolotovsky P.A., Arbuzov V.M. and others. Improvement of design of capital repairs of the linear part of the main gas pipelines. Territory Neftegaz, 2009, no. 12, p. 44-49.
8. Korolenok A.M. Interactive system for analysis of safe distances from the pipeline to other facilities. Oil industry, 1997, no. 2, p. 36-38.
9. Korolenok A.M. The methodology of forecasting major repair of main gas pipelines: textbook. Moscow: IRTS Gazprom, 2004, 311 p.
Валентина Анатольевна КОРОЛЕНОК окончила РГУ нефти и газа имени И.М. Губкина в 2002 г. Начальник отдела науки и образования научно-образовательного центра “Энергосберегающие технологии и техническая диагностика” РГУ нефти и газа (НИУ) имени И.М. Губкина. E-mail: perssoft@mail.ru
Valentina А. KOROLENOK graduated from Gubkin Russian State University of Oil and Gas in 2002. She is Head of the Department of Science and Education of the Scientific and Training Center “Energy-saving technologies and technical diagnostics” of Gubkin Russian State University of Oil and Gas (National Research University). E-mail: perssoft@mail.ru