Претрага
170 items
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Анализа могућности примене метода повећања степена искоришћења на нафтном лежишту "Ј"
Иван Савић (2024)Комплексно лежиште „Ј“ је сачињено од колектор стена различите стратиграфске припадности и хетерогеног литолошког састава. Лежиште се налази у последњој фази разраде, а током животног века експлоатисано је само примарним методама. У раду је приказана анализа стања разраде лежишта, а као основни фактори који су допринели ниском степену искоришћења лежишта издвојени су вискозност нафте, хетерогеност колектора и пад лежишног притиска. Изведена је хидродинамичка симулациона студија помоћу које је издвојена најпогоднија зона за пилотну примену терцијарних метода. Коришћењем „скрининг“ критеријума ...... Oywomuny J-74/{ 3.5. HyMepuuka cuMy:ianuja ucropujara paja ne:umrra „„J“ V pany Je kopumheH codTBepcku makeT „THaBHrarop“, KoMmaHuje „Rock Flow Dynamics”. BasaHa BapujaHra Mojnena ucropHjaTa je J;BOKOMIIOHeCHTHH MOJICJI „uHpHa HaQTa“. V ocHoBH pajna ıporpaMa „THaBurarop“ je MoJIen rpoToka (paryana ...
... Engineering Handbook -— Fifth Edition”, Elsevier, 2019. 6. James J. Sheng, “Enhanced Oil Recovery Field Case Studies”, Elsevier, 2013. 7. Rock flow dynamics, “tNav User Manual English”, July 2022. 8. M. Delshad, D. H. Kim, O. A. Magbagbeola, C. Huh, G. A. Pope, F. Tarahhom. “Mechanistic interpretation ...Иван Савић. Анализа могућности примене метода повећања степена искоришћења на нафтном лежишту "Ј", 2024
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An arid phase in the Internal Dinarides during the early to middle Miocene: Inferences from Mg-clays in the Pranjani Basin (Serbia)
N. Andrić-Tomašević, V. Simić, O. Mandic, D. Životić, M. Suárez, E. García-Romero. "An arid phase in the Internal Dinarides during the early to middle Miocene: Inferences from Mg-clays in the Pranjani Basin (Serbia)" in Palaeogeography, Palaeoclimatology, Palaeoecology, Elsevier BV (2020). https://doi.org/10.1016/j.palaeo.2020.110145
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Keyword Extraction from Parallel Abstracts of Scientific Publications
... bilingual digital library for aca- demic and entrepreneurial knowledge management. In: Proceeding of 10th Inter- national Forum on Knowledge Asset Dynamics - IFKAD 2015: Culture, Innovation and Entrepreneurship: Connecting the Knowledge Dots, Bari, Italy, pp. 1764–1777 (2015) 16. Stanković, R., Krstev ...Slobodan Beliga, Olivera Kitanović, Ranka Stanković, Sanda Martinčić-Ipšić . "Keyword Extraction from Parallel Abstracts of Scientific Publications" in Sematic Keyword-Based Search on Structured Data Sources - Third International KEYSTONE Conference, IKC 2017 Gdańsk, Poland, September 11–12, 2017 Revised Selected Papers and COST Action IC1302 Reports, Springer (2017)
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Results of Recent Monitoring Activities on Landslide Umka, Belgrade, Serbia—IPL 181
Biljana Abolmasov, Uroš Đurić, Jovan Popović, Marko Pejić, Mileva Samardžić Petrović, Nenad Brodić (2021)... started dropping from high level for several meters in a short period. Fluctuation of the river level in 2014–2015 was followed by highest river discharge during floods in May 2014, particularly enhanced by dis- charge of the Djerdap lake accumulation downstream. This prominent level drop caused drawdown ...
... last ten years and recent monitoring activities conducted in the last four years. Synthesis of research results help us define the mechanism and dynamics of this large, active, and slow landslide, with the final objective to propose adequate remedial measures. Project results would also help in better ...Biljana Abolmasov, Uroš Đurić, Jovan Popović, Marko Pejić, Mileva Samardžić Petrović, Nenad Brodić. "Results of Recent Monitoring Activities on Landslide Umka, Belgrade, Serbia—IPL 181" in Understanding and Reducing Landslide Disaster Risk. WLF 2020. ICL Contribution to Landslide Disaster Risk Reduction, Springer, Cham (2021). https://doi.org/10.1007/978-3-030-60196-6_14
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Nonequilibrium athermal random-field Ising model on hexagonal lattices
Svetislav Mijatović, Dragutin Jovković, Đorđe Spasojević. "Nonequilibrium athermal random-field Ising model on hexagonal lattices" in Physical Review E, American Physical Society (APS) (2021). https://doi.org/10.1103/PhysRevE.103.032147
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Anisotropic grossular–andradite garnets: Evidence of two stage skarn evolution from Rudnik, Central Serbia
This paper presents LA-ICP-MS data for garnets from the Rudnik skarn deposit (Serbia), which range from Grs45–58Adr40–52Alm2–3 in the core and Adr70–97Grs2–29Sps1 in the rim displaying anisotropy and zoning. In spite of wide compositional variations the garnets near the end-member of andradite (Adr > 90) are generally isotropic. Fe-rich rims exhibit LREE depletion and flat HREE pattern with weak negative Eu anomaly, including higher As and W contents. On the other side, the Fe-poorer core shows flat REE pattern ...... Formation and deformation of the Pannonian Basin: Constraints from observational data. In: Gee D.G. & Stephenson R.A. (Eds.): European Lithosphere Dynamics. Geological Society, London, Memoirs 32, 191–206. Jackson S.E., Pearson N.J., Griffin W.L. & Belousova E.A. 2004: The application of laser ab ...Bojan Kostić, Danica Srećković-Batoćanin, Petyo Filipov, Pavle Tančić, Kristijan Sokol. "Anisotropic grossular–andradite garnets: Evidence of two stage skarn evolution from Rudnik, Central Serbia" in Geologica Carpathica, Central Library of the Slovak Academy of Sciences (2021). https://doi.org/10.31577/GeolCarp.72.1.2
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Димензионисање система завојних пумпи
Марија Дивац (2024)Овај завршни рад се бави димензионисањем система завојних пумпи (Progressive Cavity Pumps - PCP) које се широко користе у нафтној и гасној индустрији, нарочито за подизање тешких и вискозних флуида. Завојне пумпе су се показале као ефикасно решење у бушотинама са сложеним условима,захваљујући својој способности да транспортују флуиде са високим садржајем чврстих честица и гаса.Рад обухвата анализу кључних параметара као што су вискозност, густина, дубина бушотине и притисак, који су пресудни за избор одговарајуће пумпе.Применом софтверског алата извршена је ...завојне пумпе, димензионисање, експлоатација нафте, вискозни флуиди, софтверска симулација, PCP пумпе... rpaBHranmuoHa KoHcTaHra (9.81 m/s?), 1) — e(-)HKaCHOCT CHCTEMAa. CodQrBepcku anmara 31 mnpopauyH: PumpSizer, CFD camyanuje (Computational Fluid Dynamics) H cnemMjaHMM3OBaHH NIporpaMM 3a HaQTHy HHJIycTpHJy OMoOryhaBajy IIpeH3HO MOJIeJIHpabbe pajia 3aBOJHHX IIyMIIH. OnBH aJlarH KOpHcTe yJHa3He HapaMeTDpe ...Марија Дивац . Димензионисање система завојних пумпи, 2024
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Groundwater management by riverbank filtration and an infiltration channel, the case of Obrenovac, Serbia
Dušan Polomčić, Bojan Hajdin, Zoran Stevanović, Dragoljub Bajić, Katarina Hajdin. "Groundwater management by riverbank filtration and an infiltration channel, the case of Obrenovac, Serbia" in Hydrogeology Journal, Berlin, Heidelberg : Springer, International Association of Hydrogeologists (2013). https://doi.org/10.1007/s10040-013-1025-9
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Contribution to the geotechnical classification of municipal waste landfills in Serbia
Management, Monitoring, Policy and Law, Nature and Landscape Conservation, Geochemistry and Petrology, Waste Management and Disposal,Geotechnical Engineering and Engineering Geology,Water Science and Technology,Environmental Chemistry,Environmental EngineeringDragoslav Rakić, Irena Basarić, Laslo Čaki, Slobodan Ćorić. "Contribution to the geotechnical classification of municipal waste landfills in Serbia" in Environmental Geotechnics, Thomas Telford Ltd. (2018). https://doi.org/10.1680/jenge.18.00028
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The external aggregation Newton's method for solving nonlinear equations and applications
Marija Paunović, Dejan Ćebić, Nebojša Ralević. "The external aggregation Newton's method for solving nonlinear equations and applications" in The University Thought - Publication in Natural Sciences, Centre for Evaluation in Education and Science (CEON/CEES) (2020). https://doi.org/10.5937/univtho10-24982
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Application of Project Management Process on Environmental Management System Improvement in Mining-Energy Complexes
... of exhaust gases and dust during the operation of mining machines Discharge of waste mining and process waters Unfavorable location of the mine in relation to the catchment area A2 Irregular treatment of mine waters Discharge of untreated waste process water Occupation of large tracts of land ...
... s of exhaust gases and dust during the operation of mining machines Discharge of waste mining and process waters Unfavorable location of the mine in relation to the catchment area A2Irregular treatment of mine waters Discharge of untreated waste process water Occupation of large tracts of land ...
... consequences for environmental quality are related to temporary or permanent destruction of agricultural land, deterioration of air quality, and discharge of untreated wastewater. Daily challenges come with the depletion of economically recoverable coal reserves; desolated areas; the destruction of humus ...Jelena Malenović Nikolić, Dejan Vasović , Ivana Filipović , Stevan Mušicki, Ivica Ristović . "Application of Project Management Process on Environmental Management System Improvement in Mining-Energy Complexes" in Energies (2016). https://doi.org/https://doi.org/10.3390/en9121071
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Late and post-collisional tectonic evolution of the Adria-Europe suture in the Vardar Zone
The Vardar Zone is a product of the Triassic-Jurassic opening of the Neotethys, Jurassic obduction, Late Cretaceous/Paleogene consumption of the oceanic crust and continental collision. During the last process, the Eastern Vardar Zone was thrust over the Central and eventually both onto the Western Vardar Zone. The present paleomagnetic and structural study provided new results from the first two zones in the Belgrade area. The younger set of data, together with published ones from the third zone, provide firm ...Emő Márton, Marinko Toljić, Vesna Cvetkov. "Late and post-collisional tectonic evolution of the Adria-Europe suture in the Vardar Zone" in Journal of Geodynamics, Elsevier BV (2022). https://doi.org/10.1016/j.jog.2021.101880
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Tectonic evolution of the Vršac Mts. (NE Serbia): Inferences from field kinematic and microstructural investigations
The Vršac Mts. in NE Serbia represent the key area to investigate structural relations between the Northern Serbo-Macedonian Subunit and Supragetic Unit of the Dacia Mega-Unit. The geodynamic events during the Variscan orogeny in the Late Paleozoic colligated the two units and led to their metamorphic differentiation. The Late Cretaceous extension exhumed the medium-grade Serbo-Macedonian metamorphic rocks and structurally juxtaposed them against the low-grade metamorphosed basement of the Supragetic Unit along an E-dipping shear zone, which outcrops in the ...severna srpsko-makedonska subjedinica, supragetikum, kinematska analiza, multifazna ekstenzionalna deformacija... exhumation of Romanian Carpa- thians: inferences from kinematic and thermochronological stu- dies. In: Radoane M. & Vespremeanu-Stroe A. (Eds.): Landform Dynamics and Evolution in Romania. Springer, 15–56. Matenco L. & Radivojević D. 2012: On the formation and evolution of the Pannonian Basin: constraints ...Uroš Stojadinović, Nemanja Krstekanić, Bojan Kostić, Marija Ružić, Aleksa Luković . "Tectonic evolution of the Vršac Mts. (NE Serbia): Inferences from field kinematic and microstructural investigations" in Geologica Carpathica, Central Library of the Slovak Academy of Sciences (2021). https://doi.org/https://doi.org/10.31577/GeolCarp.72.5.3
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Numeričko modelovanje povećanja iskorišćenja naftnih ležišta injektiranjem polimera i analiza osetljivosti parametara
Jana Šujica (2024)U toku proizvodnje jednog ležišta, nakon primene sekundarnih metoda iskorišćenja, velika količina nafte ostaje zarobljena u ležištu. Ovaj “problem” rešava se upotrebom tercijarnih metoda iskorišćenja.Tercijarne metode mogu se podeliti na: hemijske, termičke, mikrobiološke i metode utiskivanja gasova u uslovima mešanja i nemešanja.U ovom radu analiziraju se hemijske metode koje se odnose na injektiranje polimera u cilju povećanja iskorišćenja naftnog ležišta “X”. Simulacija je rađena u simulatoru “Tnavigator” na sintetičkom modelu u cilju definisanja stepena iskorišćenja naftnog ležišta “X” nakon ...... “X” injektiranjem polimera. Za numeričku simulaciju utiskivanja polimera u ovom radu primenjuje se simulator tNavigator, kompanije “Rock Flow Dynamics”. Sama inicijalizacija modela podrazumeva unos ključnih reči koje definišu sekcije modela. Nakon inicijalizacije modela, model je potrebno analizirati ...Jana Šujica. Numeričko modelovanje povećanja iskorišćenja naftnih ležišta injektiranjem polimera i analiza osetljivosti parametara, 2024
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Atmospheric exposure vs burying: influences on damage intensity of built-in kersantite in the monument of the Small Staircase (Belgrade, Serbia)
Proučavan je efekat „zatrpanog kamena“ na intenzitet procesa degradacije prisutnih na kersantitu koji je ugrađen u spomenik Malo stepenište. Istraživanja su vršena na uzorcima stene iz kamenoloma i na oštećenim kamenim blokovima ugrađenim u spomenik. Dok su neki delovi stepeništa bili pod zemljom 90 godina, većina kamenih elemenata je bila izložena različitim uslovima sredine i antropogenim uticajima. Urađeno je detaljno mapiranje trenutnog stanja spomenika kako bi se istražio uticaj “zatrpavanja” i kompleksne geometrije spomenika na tip propadanja i variranje ...Nevenka Novaković, Predrag Dabić, Vesna Matović. "Atmospheric exposure vs burying: influences on damage intensity of built-in kersantite in the monument of the Small Staircase (Belgrade, Serbia)" in Environmental Earth Sciences, Springer Science and Business Media LLC (2023). https://doi.org/10.1007/s12665-023-10794-6
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Споменица 1991. – 2015. година: 135 година геологије и 70 година рударства на Универзитету у Београду
... TODOROVIĆ K., 2014: Dynamics of landslide model with time delay and periodic parameter pertubacions. Communications in nonlinear science and numerical simulation. Elsevier. KOSTIĆ S., VASOVIĆ N., JEVREMOVIĆ D., SUNARIĆ D., FRANOVIĆ I., TODOROVIĆ K., 2014: Complex Dynamics of landslides with Time ...
... PLoS One 8, е82056. KOSTIĆ S., VASOVIĆ N., FRANOVIĆ I., TODOROVIĆ K., 2013: Complex dynamics of spring-block earthquake model under periodic parameter perturbations. Journal of Computational and Nonlinear Dynamics, 9, 031019. 4. СПИСАК ИЗАБРАНИХ НАУЧНИХ И СТРУЧНИХ РАДОВА НАСТАВНИКА И САРАДНИКА ...
... FRANOVIĆ I., TODOROVIĆ K., 2013: Dynamics of simple earthquake model with time delay and variation of friction strength. Nonlinear Processes in Geophysics, 20, 857–865. KOSTIĆ S., VASOVIĆ N., FRANOVIĆ I., JEVREMOVIĆ D., MITRINOVIĆ D., TODO- ROVIĆ K., 2014: Dynamics of landslide model with time delay ...главни и одговорни уредник Душан Поломчић. Споменица 1991. – 2015. година: 135 година геологије и 70 година рударства на Универзитету у Београду, Београд : Универзитет у Београду, Рударско-геолошки факултет, 2016
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Centar za hidrogeologiju karsta - 15 godina nauke i struke
... carbonate tablets in the ground to analyse the dynamics of the carbon cycle in nature and its impact on the karst process Dr. Cao presented field equipment and devices that should be installed on karst terrains in Serbia, to observe and analyse the dynamics of the carbon cycle in nature and its impact ...
... ISSN 2364-0073, ISBN 978-3-319-12849-8, DOI 10.1007/978-3-319-12850-4, pp. 335-358 . Ristić Vakanjac, V. (2015): Forecastmg long-Term Spring Discharge, n Monography: Karst Aquifers — Characterization and Engineering (Stevanović Z. ed), Series: Professional Practice in Earth Science, pp 435-454 ...
... 2022.108488 'Kovacs, A., Stevanović, Z. (2023): A Combined Stochastic-Analytical Method for the Assessment of Climate Change Impact oh Spring Discharge. Water, 15, 629. https://doi.org/10.3390/w15040629 Petrović, B., Marinović, V., Stevanović, Z. (2023): Characterization of the eastern Suva Planina ...urednici Saša Milanović, Ljiljana Vasić, Zoran Stevanović, Branislav Petrović. Centar za hidrogeologiju karsta - 15 godina nauke i struke, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, Centar za hidrogeologiju karsta, 2023
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Hypogene speleogenesis related to porphyry magmatic intrusions and its influence on subsequent karst evolution in the Peruvian high Andes
Alexander Klimchouk, David Evans, Sasa Milanovic, Cristian Bittencourt, Mauro Sanchez, F. Carlos Aguirre (2022)Alexander Klimchouk, David Evans, Sasa Milanovic, Cristian Bittencourt, Mauro Sanchez, F. Carlos Aguirre. "Hypogene speleogenesis related to porphyry magmatic intrusions and its influence on subsequent karst evolution in the Peruvian high Andes" in Geomorphology, Elsevier BV (2022). https://doi.org/10.1016/j.geomorph.2022.108488
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A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice
Ventilation system analysis is a complex process based on the calculation and analysis of numerous parameters. These problems can be successfully solved by the SimVent numerical package, but a full understanding and use of the obtained results require the involvement of an experienced specialist in the ventilation field. The solution was found in the creation of a hybrid system INVENTS, whose knowledge base represents a formalization of the expert knowledge in the mine ventilation field. In this paper, we ...... 2 illustrates the place of INVENTS has in our approach to mine ventilation planning and design where it interacts with CFD (Computational Fluid Dynamics) software. INVENTS is a complex structure composed from several integrated software packages: ResNet, SimVent and VENTEX (Fig. 3). These packages ...Nikola Lilić, Ivan Obradović, Ranka Stanković. "A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice" in Mineral Resources Engineering 11 no. 4, Imperial College Press (2002): 361-382. https://doi.org/10.1142/S0950609802001014
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Models of Determining the Parameters of Rock Mass Oscillation Equation with Experimental and Mass Blastings
... 2015; Volume 5, pp. 221–229. 2. Kahriman, A. Analysis of Parameters of Ground Vibration Produced from Bench Blasting at a Limestone Quarry, Soil Dynamics and Earthquake Engineering 24; Elsevier: Amsterdam, The Netherlands, 2004; pp. 887–892. 3. Sambuelli, L. Theoretical Derivation of a Peak Particle ...Suzana Lutovac, Branko Gluščević, Rade Tokalić, Jelena Majstorović, Čedomir Beljić. "Models of Determining the Parameters of Rock Mass Oscillation Equation with Experimental and Mass Blastings" in Minerals, Basel : MDPI AG, Basel, Switzerland (2018). https://doi.org/10.3390/min8020070