Department of Petroleum and Natural Gas Engineering

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Kök, Mustafa Verşan (241)
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Recent Submissions

Multiscale Generalized Network Model Using Differential Micro-CT Imaging for Drainage in Heterogeneous Carbonates Gündoğar, Satı Aslı; Foroughi, Sajjad; Patmonoaji, Anindityo; Regaieg, Mohamed; Blunt, Martin J.; Bijeljic, Branko (2026-01-01) Carbonate rocks exhibit complex pore structures with wide variability in size, shape and connectivity that challenge accurate multiphase flow modeling. While representing detailed throat geometry and fluid interfaces, the ...
Numerical investigation of single and multiple DBD plasma actuators integration on airfoils at low Reynolds number Arslan, Mehmet; DURNA, AHMET SELİM (2025-11-10) The growing interest in unmanned air vehicles necessitates effective flow control techniques for the low Reynolds number regime. While Dielectric Barrier Discharge (DBD) plasma actuators offer a promising solution, the cur...
Well Integrity Assessment for Hydraulic Fracturing Applications in Conventional Geothermal Wells in Western Turkiye Aydın, Hakkı; Yıldırım, Betül; Merey, Şükrü (2025-11-03)
Case Study of Dual-Signal Processing of DAS-VSP Vibrator Data From a 3D Survey in a Geothermal Reservoir Poletto, Flavio; Bellezza, Cinzia; Böhm, Gualtiero; Meneghini, Fabio; Chalari, Athena; Stork, Anna; Parlaktuna, Mahmut; Şentürk, Erdinç; Draganov, Deyan; van Otten, Gijs; Durucan, Sevket (2025-09-01) The three-dimensional (3D) distributed acoustic sensing (DAS) vertical seismic profile (VSP) technique is an effective tool to characterize subsurface reservoirs, enabling the use of large and densely sampled borehole rece...
Thermo-Hydro-Mechanical–Chemical Modeling for Pressure Solution of Underground sCO2 Storage Erol, Selçuk (2025-09-01) Underground production and injection operations result in mechanical compaction and mineral chemical reactions that alter porosity and permeability. These changes impact the flow and, eventually, the long-term sustainabili...
A framework for regional high-level technical screening of promising CCUS value chains Gravaud, Isaline; Lothe, Ane Elisabet; Ringstad, Cathrine; Falck Da Silva, Eirik; Skagestad, Ragnhild; Shogenova, Alla; Shogenov, Kazbulat; Sousa, Leandro; Wójcick, Adam; Sınayuç, Çağlar; Yıldırım, Betül; Bülbül, Sevtaç; Anthonsen, Karen Lyng; Perimenis, Anastasios (2025-09-01) To support the European Green Deal and accelerate climate mitigation, the CCUS ZEN project conducted a high-level technical screening of Carbon Capture, Utilization, and Storage (CCUS) value chains in the Baltic and Medite...
An experimental investigation of hydraulic fracturing mechanisms in menderes metamorphic rocks: Prospects for enhanced geothermal systems Aydın, Hakkı; Camcı, Umutcan; Akın, Serhat (2025-07-01) Hydraulic fracturing is a critical technique for stimulating low-permeability geothermal reservoirs, such as Enhanced Geothermal Systems (EGS) and Hot Dry Rock (HDR). This study investigates the hydraulic fracturing mechan...
Petrogenesis and comprehensive thermal assessment of the Dikili-Bergama region, western Anatolia Ayzit, Tolga; Baba, Alper (2025-06-01) Various methods are available to evaluate the thermal properties and energy potential of geothermal fields. The heat flow method is crucial for thermal modeling and understanding geological evolution. It helps to assess th...
Differential Imaging-Based Porous Plate Measurements of Fluid Distribution and Capillary Pressure During Drainage in a Multiscale Oolitic Limestone Patmonoaji, Anindityo; Chai, Rukuan; Gündoğar, Satı Aslı; Regaieg, Mohamed; Blunt, Martin J.; Bijeljic, Branko (2025-05-01) Using a combination of a porous plate, micro-computed tomography, and differential imaging, the differential imaging porous plate (DIPP) method was employed to monitor spatial fluid distribution and measure capillary press...
A Model for Intergranular Pressure Solution Creep, Thermo-mechanical-chemical Coupling Erol, Selçuk (2025-04-02)
Bayesian uncertainty quantification in temperature simulation of borehole heat exchanger fields for geothermal energy supply Mohammadi, Hesam Soltan; Ringel, Lisa Maria; Bott, Christoph; Erol, Selçuk; Bayer, Peter (2025-04-01) Accurate temperature prediction is crucial for optimizing the performance of borehole heat exchanger (BHE) fields. This study introduces an efficient Bayesian approach for improving the forecast of temperature changes in t...
Optimizing inhibitor injection in geothermal wells with electrical submersible pump Aydin, Hakki; Tezel, Seray Isik; Erol, Selçuk (2025-03-01) Electrical submersible pump (ESP) is a reliable artificial lift method to extend productive lifespan of geothermal wells. In the geothermal industry a common practice involves installing ESPs below the well's flashing dept...
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 ...
Comparing Reinjection Strategies in Naturally Fractured Geothermal Reservoirs: A 3D Numerical Modeling Approach Aydın, Hakkı (Afyon Kocatepe Universitesi Fen Ve Muhendislik Bilimleri Dergisi, 2025-1-28) The strategic placement of re-injection wells within geothermal reservoirs is a pivotal determinant of sustainable and maximized thermal recovery. Minimizing temperature decline and maintaining effective pressure support o...
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)
Combustion characteristics and efficiency of raw and clean lignite samples by thermal analysis techniques: TG–DTG–MID, DSC, and PDSC applications Kök, Mustafa Verşan; Matuschek, Georg; Varfolomeev, Mikhail A.; Nurgaliev, Danis K. (2025-01-01) This study investigates the combustion characteristics and efficiency of six distinct lignite samples, comparing their untreated and treated forms. The experimental approach employs simultaneous thermogravimetry coupled wi...
The Early Determination Method of Reservoir Drive of Oil Deposits Based on Jamalbayli Indexes Jamalbayov, Muhammad Asaf; Yıldırım, Betül; Abdullazada, Atilla (2024-07-01)

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