Department of Petroleum and Natural Gas Engineering

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Publication (472)
Thesis (266)
Project (28)
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Author
Kök, Mustafa Verşan (212)
Akın, Serhat (106)
Parlaktuna, Mahmut (45)
Sınayuç, Çağlar (25)
Gumrah, F (18)

Subject
Fuel Technology (133)
Energy Engineering and Power Technology (110)
General Chemical Engineering (67)
Geotechnical Engineering and Engineering Geology (42)
Renewable Energy, Sustainability and the Environment (42)

Date Issued
1970 - 1979 (4)
1980 - 1999 (149)
2000 - 2019 (589)
2020 - 2021 (25)

Recent Submissions

Transient shape factors for dual-porosity simulation of tight rocks
Kilicaslan, Ufuk; Akın, Serhat (2021-05-01)
The shape-factor concept provides an elegant and powerful upscaling method for fractured reservoir simulation. Many different shape-factors, among which the well-known Warren and Root, and Kazemi shape-factors have been pr...
TGA and DSC investigation of different clay mineral effects on the combustion behavior and kinetics of crude oil from Kazan region, Russia
Kök, Mustafa Verşan; Varfolomeev, Mikhail A.; Nurgaliev, Danis K. (2021-05-01)
In this research, the effect of different clay minerals (bentonite, illite and kaolinite) on the combustion behavior and kinetics of crude oils from Kazan region (Russia) was studied using thermogravimetry (TGA) and differ...
Estimation of upcoming problems in Alaehir geothermal field using a numerical reservoir model
Aydin, Hakki; Akın, Serhat (2021-04-01)
Alaehir geothermal area located in Alaehir Graben, West Anatolia, is the latest target for geothermal field development in Turkey. Seven different operators are developing the power capacity in this geothermal field on a s...
Kinetic analysis of CO2 hydrate formation by the use of different impellers
Longinos, Sotirios Nik; Parlaktuna, Mahmut (2021-04-01)
This study investigates the effects of types of impellers with the use of full baffle in carbon dioxide gas hydrate formation. In single impeller experiments initial hydrate formation rate is higher with the use of rushton...
Effect of inlet pressure on crude oil combustion -laboratory approach-
Kök, Mustafa Verşan; Varfolomeev, Mikhail A.; Nurgaliev, Danis K. (Elsevier BV, 2021-03-01)
In this research, the effect of inlet pressure on combustion behavior of medium and light crude oils was analyzed with TGA and DSC experiments. The ramped temperature combustion experiments were performed at constant heati...
Are the amino acids inhibitors or promoters on methane (95%)-propane (5%) hydrate formation?
Longinos, Sotirios Nik.; Parlaktuna, Mahmut (2021-03-01)
In the present study, the effect of four amino acids is studied for inhibition or promotion of hydrate formation in methane (95%)-propane (5%) mixture-water system. Thus this study reports the impact of leucine, serine, hi...
The effect of experimental conditions on methane hydrate formation by the use of single and dual impellers
Longinos, Sotirios Nik; Parlaktuna, Mahmut (2021-02-01)
Natural gas hydrates (NGH) are proposed as gas storage and transportation media owing to their high gas content and long-term stability of hydrate crystal structure at common refrigeration temperatures and atmospheric pres...
Kinetic analysis of dual impellers on methane hydrate formation
Longinos, Sotirios Nik; Parlaktuna, Mahmut (2021-02-01)
This study investigates the effects of types of impellers and baffles onmethane hydrate formation. Induction time, water conversion to hydrates (hydrate yield), hydrate formation rate and hydrate productivity are component...
Experimental and numerical study of flow and thermal transport in fractured rock
Tavakkoli Osgouei, Yashar; Akın, Serhat (Springer Science and Business Media LLC, 2021-01-01)
An experimental and numerical study was carried out to investigate matrix-fracture thermal transport in fractured rock. Two different synthetically fractured core plugs were used during the flow-through experiments while c...
Rastlantısal parçacık hareket yöntemiyle incelenen dağılım katsayısının polimer enjeksiyonu üzerine etkisi
Durgut, İsmail; Mamak, Gökhan (2021-01-01)
Polymer injection is a chemical EOR process, where the aim is to improve sweep efficiency of water flooding in an oil reservoir by increasing the water viscosity with the thickening effect of polymer injected with water. A...
Kinetic Analysis of Methane-Propane Hydrate Formation by the Use of Different Impellers
Longinos, Sotirios Nik; Parlaktuna, Mahmut (2021-01-01)
In the present study, the effect of different kinds of impellers with different baffles or no baffle was investigated. Up-pumping pitched blade turbine (PBTU) and Rushton turbine (RT) were the two types of impellers tested...
The Effect of Experimental Conditions on Methane (95%)-Propane (5%) Hydrate Formation
Longinos, Sotirios Nik; Parlaktuna, Mahmut (MDPI AG, 2020-12-01)
In the present study, the effect of different kinds of impellers with different baffles or no baffle was investigated. Up-pumping pitched blade turbine (PBTU) and Rushton turbine (RT) were the two types of impellers tested...
A proxy model for determining reservoir pressure and temperature for geothermal wells
Aydin, Hakki; Akın, Serhat; Senturk, Erdinc (Elsevier BV, 2020-11-01)
Estimating reservoir pressure and temperature is one of the challenges of geothermal reservoir engineering. A new proxy model has been developed to estimate reservoir pressure and temperature using wellhead pressure, tempe...
Extending Voronoi-diagram based modeling of oil slick spreading to surface tension-viscous spreading regime
Durgut, İsmail; Erdoğan, Metehan; Reed, Mark (Elsevier BV, 2020-11-01)
An earlier paper demonstrated a methodology for modeling the spreading process with a Gaussian random walk procedure, but was limited to the gravity-viscous spreading regime. Here we extend the methodology of re-presenting...
Combustion mechanism and model free kinetics of different origin coal samples: Thermal analysis approach
Jayaraman, Kandasamy; Kök, Mustafa Verşan; Gokalp, Iskender (Elsevier BV, 2020-08-01)
Five coal samples from different origins are characterized for their pyrolysis and combustion features using coupled thermogravimetry - mass spectrometry (TG-MS). The samples are heated at temperatures ranging from 25 to 9...
Low-temperature oxidation reactions of crude oils using TGA-DSC techniques
Kök, Mustafa Verşan; Varfolomeev, Mikhail A.; Nurgaliev, Danis K. (Springer Science and Business Media LLC, 2020-07-01)
In this research, combustion behaviour of three crude oils with different degrees API gravities was analysed. The thermogravimetric analyser (TGA) and differential scanning calorimeter (DSC) experiments were performed usin...
Gasification kinetics of Thrace region coal by thermogravimetry analysis
Kök, Mustafa Verşan; Yildirim, Betul (Elsevier BV, 2020-05-01)
This study aimed at understanding the gasification kinetics of Thrace region coal samples performing isothermal carbon dioxide gasification experiments at five different temperatures (750, 825, 850, 900, 950 degrees C). Th...
The effect of water on combustion behavior of crude oils
Kök, Mustafa Verşan; Varfolomeev, Mikhail A.; Nurgaliev, Danis K. (Elsevier BV, 2020-03-01)
The ramped temperature oxidation experiments were performed on heavy and light crude oil samples using the TGA and DSC instruments. The crude oils were mixed with different weight percentages (10%, 20%, and 30%) of water, ...
Numerical reservoir simulation of Alaşehir geothermal field
Aydın, Hakkı; Akın, Serhat (null; 2020-02-10)
Use of a comprehensive reservoir simulation is essential for an effective geothermal reservoir management. TOUGH2 has become a widely used simulator for this purpose. In this study, one of the most exploited geothermal fie...
Characterizing the declining CO2 emissions from Turkish geothermal power plants
Akın, Serhat; Örücü, Yasemin; Frıdrıksson, Thrainn (null; 2020-02-10)
Turkish geothermal fluids have substantially higher carbon dioxide content due to the unusual geologic setting of the geothermal fields in the country. Typical emission factors at power plant commissioning range from 1,000...
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