Department of Petroleum and Natural Gas Engineering

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Kök, Mustafa Verşan (220)
Akın, Serhat (127)
Parlaktuna, Mahmut (63)
Sınayuç, Çağlar (34)
Gumrah, F (18)

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Fuel Technology (133)
Energy Engineering and Power Technology (110)
General Chemical Engineering (67)
Geotechnical Engineering and Engineering Geology (42)
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1970 - 1979 (4)
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2020 - 2022 (64)

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Journal Article (323)
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Recent Submissions

Kinetic Analysis of Methane Hydrate Formation with Butterfly Turbine Impellers
Longinos, Sotirios Nik.; Longinou, Dionisia Dimitra; Myrzakhmetova, Nurbala; Akimbayeva, Nazgul; Zhursumbaeva, Mariamkul; Abdiyev, Kaldibek; Toktarbay, Zhexenbek; Parlaktuna, Mahmut (2022-07-01)
Heat generation during gas hydrate formation is an important problem because it reduces the amount of water and gas that become gas hydrates. In this research work, we present a new design of an impeller to be used for hyd...
Laboratuvarların Kendi Aralarında Yapacağı Karşılaştırma Çalışmalarında Dikkat Edilmesi Gereken Hususlar
Petrol Araştırma Merkezi, Odtü; Bülbül, Sevtaç (2022-05-11)
Advanced workflow for multi-well tracer test analysis in a geothermal reservoir
Bayer, Peter; AKIN, TAYLAN; Akın, Serhat (2022-05-01)
Interpretation of tracer tests in geothermal reservoirs is carried out by fitting the measured data either with simplified two-dimensional (2-D) analytical solutions or with complex numerical models. Available analytical s...
Searching for the root cause of shale well rate variance: Highly variable fracture treatment response
TUĞAN, MURAT FATİH; Weijermars, Ruud (2022-03-01)
This case study highlights that shale wells drilled with tight well spacing in the same landing zone using the same fracture treatment plan, commonly show large variance in well productivity. Searching for the root cause(s...
Application of TGA-MS technique for oil shale characterization and kinetics
Kök, Mustafa Verşan; Varfolomeev, Mikhail A.; Nurgaliev, Danis K.; Kandasamy, Jayaraman (2022-03-01)
Thermal characteristics and model free kinetics of four different oil shale samples were studied using simultaneous thermogravimetry-mass spectrometer (TGA-MS) analysis performed at three different heating rates and under ...
Fluid-CO2 injection impact in a geothermal reservoir: Evaluation with 3-D reactive transport modeling
AKIN, TAYLAN; Baser, Ali; Saracoglu, Onder; Akın, Serhat (2022-01-01)
Geothermal energy is commonly recognized as an environmentally friendly source of energy. However, geothermal fluids have unusually high CO2 content, particularly, in carbonated geothermal reservoirs. An efficient method t...
The combustion performance and kinetics of Saray-Thrace region coal: The effects of particle size and heating rate
Kök, Mustafa Verşan; Yıldırım, Betül (2022-01-01)
Nanoparticle-stabilized CO2 foam to improve conventional CO2 EOR process and recovery at Bati Raman oil field, Turkey
Safran, S. Esra; Kök, Mustafa Verşan (2022-01-01)
(B.Raman), which is the largest oil field of Turkey's already existing CO2 injection system, does not produce at the desired efficiency due to the natural fracture characteristics. Therefore, this research is performed to ...
Numerical Modeling of Waterflooding Experiments in Artificially Fractured and Gel Treated Core Plugs by Embedded Discrete Fracture Model of a Reservoir Simulation Toolbox
Kaya, Onur Alp; Durgut, İsmail; Canbolat, Serhat (2022-01-01)
© 2022, Society of Petroleum Engineers.The fluid flow dynamics of the matrix and fractures are significantly different from each other. Fractures are high-permeability flow channels that serve as the main flow units. On th...
The impact of methionine, tryptophan and proline on methane (95%)-propane (5%) hydrate formation
Longinos, Sotirios Nik; Longinou, Dimitra-Dionisia; Parlaktuna, Mahmut; Toktarbay, Zhexenbek (2021-10-01)
This study examines the impact of three amino acids such as proline, methionine and tryptophan on methane (95%)-propane (5%) hydrate formation with the use of different impellers. The concentration of amino acids was 1 wt%...
Reinjection Optimization of Kızıldere Geothermal Field for Sustainable Reservoir Pressure Management
KÜÇÜK, SERHAT; başer, ali; saraçoğlu, önder; şentürk, erdinç; tüzen, mahmut kaan; Akın, Serhat (2021-10-01)
Pressure decline with respect to time is one of the main concerns in geothermal field management. In order to maintain the reservoir pressure, a sustainable reinjection strategy is needed. In this study, a numerical model ...
Optimization of Production and Injection of Geothermal Fields: A Machine Learning Approach
başer, ali; KÜÇÜK, SERHAT; saraçoğlu, önder; şentürk, erdinç; Akın, Serhat (2021-10-01)
Optimizing field injection and production requires a calibrated numerical model, typically consisting of thousands of grid blocks. Optimization carried out using such a model usually takes a very long time. If the numerica...
Soil CO2 Flux and Temperature Measurements in Kızıldere Geothermal Field
KÜÇÜK, SERHAT; başer, ali; saraçoğlu, önder; AKIN, TAYLAN; şentürk, erdinç; tüzen, mahmut kaan; Akın, Serhat (2021-10-01)
Geothermal fields in Turkey have substantially higher carbon dioxide content compared to a typical geothermal field in the world. Geothermal Emission Control (GECO) project aims to reduce carbon emissions by reinjecting pr...
CO2 Decline in Alaşehir (Turkey) Geothermal Reservoir
Akın, Serhat; Aydın, Hakkı; AKIN, TAYLAN (2021-10-01)
Reinjection of gas free of brine into the peripheries of a geothermal reservoir may gradually decline non-condensable gas (NCG) concentration in the reservoir fluid during the operation of geothermal power plants. As a res...
A Predictive Model of Wellbore Performance in Presence of Carbon Dioxide in Kizildere Geothermal Field
saraçoğlu, önder; başer, ali; AKIN, TAYLAN; KÜÇÜK, SERHAT; şentürk, erdinç; Akın, Serhat (2021-10-01)
Typically, geothermal wellbore model is used to predict the production performance of wells using a wellbore simulator based on flow tests. An iterative procedure is used to calibrate NCG content. In this study, a predicti...
AN EXPERIMENTAL INVESTIGATION OF POSSIBLE PRODUCTION MECHANISMS OF HYDRATE FORMATION
Engüçlü, Hasan Hüseyin; Parlaktuna, Mahmut; Department of Petroleum and Natural Gas Engineering (2021-9-10)
In this study, temperature, pressure and mole values of methane hydrate formation and dissociation are analyzed using different production methods under laboratory conditions. During the experiments, a cylindrical high-pre...
MODELING AND SIMULATION OF THE FLUID FLOW IN ARTIFICIALLY FRACTURED AND GEL TREATED CORE PLUGS
Kaya, Onur Alp; Durgut, İsmail; Department of Petroleum and Natural Gas Engineering (2021-9)
The dynamics of fluid flow in the matrix and in the fractures are significantly different from each other. Fractures are highly permeable flow pathways and are generally considered as the main flow unit. On the other hand,...
Kinetic study of methane hydrate formation with the use of a surface baffle
Longinos, Sotirios Nik; Longinou, Dimitra-Dionisia; Celebi, Erdem; Toktarbay, Zhexenbek; Parlaktuna, Mahmut (2021-09-01)
The kinetics of methane gas hydrate formation was obtained by different dual and dual mixed impeller experiments with surface baffle at 42.5 bars pressure and 2 degrees C temperature. The outcomes indicated that induction ...
Comprehensive approach to torque and lost circulation problems in geothermal wells in terms of drilling fluid
Sönmez, Ahmet; Kök, Mustafa Verşan; Bal, Berk; Bagatır, Gökhan; Gücüyener, I.Hakkı (2021-09-01)
Drilling in a lost circulation zone has long been a challenge in geothermal wells due to its strong potential for high torque and wellbore instability. Particularly in deviated, extended reach and horizontal wells, frictio...
Carbon dioxide sequestration and enhanced oil recovery co-optimization
Akhundov, Nuri; Sınayuç, Çağlar; Department of Petroleum and Natural Gas Engineering (2021-9)
The worldwide growth of industry leads to continuous rise of anthropogenic emission amount into the atmosphere, which causes greenhouse effect all over the world, that is heating up the atmosphere and changing the global c...
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