Department of Petroleum and Natural Gas Engineering, Article

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Recent Submissions

Fluid–CO₂ injection in a hypersaline volcanic systems: a reactive transport and experimental evaluation with application to the Tuzla Geothermal Field, Türkiye Tonkul, Serhat; Erol, Selçuk; Baba, Alper; Regenspurg, Simona (2026-12-01) This study evaluates the CO2 sequestration capability of the Tuzla Geothermal Field (TGF) in northwest Türkiye under reservoir conditions (200 °C and 4.4 MPa). While ongoing studies at TGF have investigated CO2 co-injectio...
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...
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...
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...
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...
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...
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...
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...
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)
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...
Stochastic 1-D reactive transport simulations to assess silica and carbonate phases during the CO 2 reinjection process in metasediments Erol, Selçuk (2024-01-01) One proposed method to mitigate carbon emission is to mineralize the CO 2 in deep geothermal reservoirs while mixing the coproduced CO 2 with the effluent fluid for reinjection. The injection fluid temperature fluctuates d...

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