Department of Petroleum and Natural Gas Engineering

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Kök, Mustafa Verşan (241)
Akın, Serhat (141)
Parlaktuna, Mahmut (65)
Sınayuç, Çağlar (42)
Varfolomeev, Mikhail A. (21)

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Fuel Technology (133)
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Recent Submissions

A Screening Methodology for the Optimal Selection of AL Methods for Geothermal Wells Aydın, Hakkı; Yıldırım, Betül; Merey, Şükrü (2025-02-10) Well-flow rates significantly influence the economic viability of geothermal projects. Geothermal wells targeting natural fractures typically yield high flow rates; however, the production performance of these wells can s...
Investigating terminal film thickness in oil spreading dynamics under opposing net surface tension force on calm water Doğan, Mehmet Onur; Durgut, İsmail (2025-02-01) Heavy oils, particularly in cold water, spread slowly and eventually stop at a certain film thickness, known as the terminal film thickness. A few studies have specifically addressed the conditions and physical mechanisms ...
Developing CCUS in Mediterranean Region – Technical Evaluation of Promising Value Chains Gravaud, Isaline; Lopez, Audrey; Koumentis, Ioannis; Sleiman, Saif; Bouvier, Laurianne; Sınayuç, Çağlar; Yıldırım, Betül; Bülbül, Sevtaç; Lothe, Ane Elisabet; Wójcicki, Adam; Perimeni, Anastasios; Shogenova, Alla (2025-01-25)
A framework for regional high-level technical screening of promising CCUS value chains Lothe, Ane Elisaebt; Gravaud, Isaline; Ringstad, Cathrine; Falck Da Silva, Eirik; Skagestad, Ragnhild; Shogenova, Alla; Shogenov, Kazbulat; Sousa, Leandro Henrique Costa; Wojcicki, Adam; Sınayuç, Çağlar; Yıldırım, Betül; Bülbül, Sevtaç; Anthonsen, Karen; Perimenis, Anastasios (2025-01-20)
A framework for selection of promising CCUS value chains in the Baltic and Mediterranean regions: CCUS ZEN project study Shogenov, Kazbulat; Shogenova, Alla; Gravaud, Isaline; Sousa, Leandro; Wojcicki, Adam; Lothe, Ane Elisabet; Falck Da Silva, Eirik; Sınayuç, Çağlar; Yıldırım, Betül; Bülbül, Sevtaç; Schmitt, Florian; Honegger, Matthias; Ombudstved, Ingvild; Østgaard, Lena; Frykman, Peter; Bouvier, Laurianne (2025-01-06)
The Early Determination Method of Reservoir Drive of Oil Deposits Based on Jamalbayli Indexes Jamalbayov, Muhammad Asaf; Yıldırım, Betül; Abdullazada, Atilla (2024-07-01)
Numerical modeling of the CO2 injection in the Kızıldere geothermal field using multiple inter-well tracer tests Sevindik, Doguhan Barlas; Erol, Selcuk; Akın, Serhat (2024-05-01) Many geothermal power plants in Turkey emit high amounts of non-condensable gas (NCG), consisting mainly of CO2. Thus, it is crucial to mitigate the NCG emissions by re-injecting the captured gas back into the reservoir. I...
Experimental study and kinetic modeling of high temperature and pressure CO2 mineralization Berndsen, Maximilian; Erol, Selçuk; Akın, Taylan; Akın, Serhat; Nardini, Isabella; Immenhauser, Adrian; Nehler, Mathias (2024-02-01) The potential for in-situ CO2 sequestration was analyzed experimentally for one basaltic hyaloclastite sample from the Nesjavellir geothermal reservoir in Iceland and three metasedimentary rock samples from the Kızıldere g...
Characterization and kinetics of diesel-biodiesel blends by non-isothermal thermal analysis techniques Kök, Mustafa Verşan; Güresci, Ece Topa; Varfolomeev, Mikhail A.; Nurgaliev, Danis K. (2024-01-01) This study investigated the combustion-pyrolysis characteristics and kinetics of blends consisting of diesel and biodiesel at varying concentrations. To assess these characteristics, thermogravimetry (TG-DTG) and a differe...
Geochemical and thermal characterization and kinetics of oil shale samples from Çeltek, Türkiye Kök, Mustafa Verşan (2024-01-01) This research delves into the geochemical aspects, non -isothermal thermogravimetric analysis, and model -free kinetics of oil shale samples from the & Ccedil;eltek region in Amasya, T & uuml;rkiye. Shifting the focus to t...
Rheological and PVT Behavior of Synthetic Based Drilling Fluids Under Temperature-Pressure Conditions of the Riser in Deepwater Drilling Yanik, S.; Gucuyener, I.H.; Sınayuç, Çağlar; Akel, O.F. (2024-01-01) Invert emulsion drilling fluids (IEDFs) are water-in-oil emulsions in which the water phase is usually calcium chloride brine as the internal phase and the non-aqueous fluid forms the external phase. They are widely used t...
Comparison of Reservoir Simulation Techniques for Gas Reservoirs: Semi-Analytical Tank Flow Model Approach versus Finite Volume Solutions Doğan, Mehmet Onur; Jamalbayli, Tayfun; Jamalbayov, Mahammad (2023-11-22) Comparison of Reservoir Simulation Techniques for Gas Reservoirs: Semi-Analytical Tank Flow Model Approach versus Finite Volume SolutionsMehmet Onur Doğan a, Tayfun Jamalbayli* a, Mahammad Jamalbayov ba Middle East Technic...
New Definition and Numerical Analysis of Local Thermal Non-Equilibrium (LTNE) Conditions in Porous Media: Considering Convection and Conduction Processes for Darcy Scale Problems Doğan, Mehmet Onur; Tavakkoli Osgouei, Yashar (2023-11-22) New Definition and Numerical Analysis of Local Thermal Non-Equilibrium (LTNE) Conditions in Porous Media: Considering Convection and Conduction Processes for Darcy Scale ProblemsMehmet Onur Dogan a, *, Yashar Tavakkoli ...
Extended Multiple Interacting Continua (E-MINC) Model Improvement with a K-Means Clustering Algorithm Based on an Equi-dimensional Discrete Fracture Matrix (ED-DFM) Model Doğan, Mehmet Onur (2023-11-01) Modeling fluid flow in fractured reservoirs can be complicated, not only because ofthe permeability differences between fractures and matrix, but also due to the com-plex network of fractures. If the exact fracture geometr...
A Numerical Study on the Effect of Flue Gas Composition on Oil Recovery in Low-Permeability Formations Tavakkoli Osgouei, Yashar; Doğan, Mehmet Onur; Sınayuç, Çağlar (2023-09-29) The production of heavy oil is challenging because of its higher viscosity and lower mobility. Although thermal-based methods are useful to cope with these problems through heat injection, the application of thermal rec...
TÜRKİYE’DEKİ İKLİM DEĞİŞİKLİĞİ VE KARBON YAKALAMA-DEPOLAMA UYGULAMALARI İLE İLİŞKİLİ MEVZUATIN İNCELENMESİ Bülbül, Sevtaç; Sınayuç, Çağlar; Doğan, Mehmet Onur (2023-09-29) İklim değişikliğinin etkilerinin azaltılabilmesi için gerekli teknik yeterliliğin sağlanmasının yanı sıra ilgili faaliyetlerin uygulanmasına imkân veren yasal düzenlemelerin geliştirilmesi de büyük önem taşımaktadır. Ka...
Minimization Of The Noise In The Calculated Pressure Derivative Data For The Interpretation Of Transient Tests Coşar, Doğuhan; Sınayuç, Çağlar (2023-09-29) Well tests are conducted to estimate essential reservoir parameters like permeability and skin factor. Pressure data is recorded at regular intervals during these tests, which are crucial for predicting the production po...
GÜNEYDOĞU TÜRKİYE’DEKİ DADAŞ ŞEYLİNİN JEOMEKANİK ÖZELLİKLERİNE GÖRE ÇATLATILABİLİRLİK DEĞERLENDİRMESİ Cihaner, Oğuz; Yıldırım, Betül (2023-09-28) Ankonvansiyonel (geleneksel olmayan) bir şeyl rezervuar sisteminde, kaynak kayaç, rezervuar kayaç ve örtü kayaç, aynı şeyl formasyonu tarafından temsil edilir. Şeyl rezervuarları, ultra düşük geçirgenliğe sahip son derece ...
Universities Shaping the Digital Transformation Kök, Mustafa Verşan (2023-09-22)
Petrol ve Doğal Gaz Yıldırım, Betül (Anadolu University, 2023-09-01)

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