Department of Petroleum and Natural Gas Engineering, Article

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Kök, Mustafa Verşan (200)
Akın, Serhat (64)
Parlaktuna, Mahmut (35)
Sınayuç, Çağlar (19)
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Recent Submissions

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)
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%...
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)
Examination of asparagine, aspartic acid and threonine in methane (95%)-propane (5%) gas hydrates as kinetic inhibitors
Longinos, Sotirios Nik.; Parlaktuna, Mahmut (2021-08-01)
The formation of gas hydrates blocks oil and gas transportation in pipelines, nevertheless sufficient comprehension of gas hydrate behavior is the key to its prolepsis. Thus this study reports the impact of three amino aci...
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...
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...
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...
Estimation of upcoming problems in Alaşehir 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...
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...
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...
Fracture behaviour and seismic response of naturally fractured coal subjected to true triaxial stresses and hydraulic fracturing
Cao, Wenzhuo; Yıldırım, Betül; Durucan, Sevket; Wolf, Karl-Heinz; Cai, Wu; Agrawal, Harshit; Korre, Anna (2021-03-01)
Examination of behavior of lysine on methane (95%)-propane (5%) hydrate formation by the use of different impellers
Longinos, Sotirios Nik; Parlaktuna, Mahmut (2021-03-01)
Hydrate formation characteristics and hydrodynamic behavior have been investigated for mixture of methane-propane hydrate formation with pure water and with the amino acid of lysine 1.5 wt% at 24.5 bars and 2 degrees C. Th...
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...
A comparative analysis and rapid performance prediction of polymer flooding process by coupling reservoir simulation with neural networks
Zarepakzad, Negar; Artun, Emre; Durgut, İsmail (2021-01-01)
Copyright © 2021 Inderscience Enterprises Ltd.Accelerated technological progresses offer massive amounts of data, prompting decision making for any asset to be more complicated and challenging than before. Data-driven mode...
Examination of methane hydrate formation by the use of dual impeller combinations
Longinos, Sotirios Nik.; Parlaktuna, Mahmut (2021-01-01)
© 2021, Akadémiai Kiadó, Budapest, Hungary.The kinetics of methane gas hydrates formation was obtained by different dual impeller (DI) experiments with full baffle (FB) at 42.5 bar pressure and 2 °C temperature. There were...
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...
Kinetic study of the effect of amino acids on methane (95%)—propane (5%) hydrate formation
Longinos, Sotirios Nik.; Parlaktuna, Mahmut (2021-01-01)
© 2021, Akadémiai Kiadó, Budapest, Hungary.The motivation for this study is the potential of environmental friendly amino acids such as alanine, histidine, phenylalanine and valine to be examined as inhibitors on methane (...
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