İsmail Ömer Yılmaz

E-mail

ioyilmaz@metu.edu.tr

Department

Department of Geological Engineering

ORCID

0000-0002-7967-3026

Scopus Author ID

7004914041

Web of Science Researcher ID

AAZ-9186-2020

Stochastic Inversion-Driven Petrophysical Modelling in Sub-Tuning Reefal Carbonates: Soğucak Formation, Thrace Basin, Türkiye Karaca, Ergin; Yılmaz, İsmail Ömer; ÇİFCİ, GÜNAY (2025-10-01) Seismic inversion plays a critical role in populating subsurface properties into geomodel; however, its effectiveness is often constrained by the resolution limits of seismic data. This study evaluates the effectiveness of...
Reservoir characterisation of compacted sandstones in the Osmancık Formation, Thrace Basin, Türkiye Arpacı, Taner; Yılmaz, İsmail Ömer; Akın, Serhat; Ulugergerli, Emin Uğur (2025-05-01) The Thrace Basin houses the main gas-producing fields of Türkiye. The gas reservoirs in the basin are mostly located in deltaic sediments of the Oligocene Osmancık Formation where the hydrocarbon-bearing sandstone reservoi...
K-Pg transition in neritic limestones: Deciphering the first bio/chemo-stratigraphic records and tectono-sedimentary evolution, eastern Neotethys (NE Türkiye) Köroğlu, Fatih; SARI, BİLAL; KANDEMİR, RAİF; Yılmaz, İsmail Ömer; Özer, Sacit (2025-04-01) Interestingly, the K-Pg transition from the Cretaceous to the Paleogene is the closest to our time and, from today's perspective, the most dramatic extinction that has ever occurred on Earth. Using different methods and li...
Integrated fracture analysis for improved oil recovery in the reefal limestones of Soğucak formation, Northwest Thrace Basin, Türkiye Karaca, Ergin; Yılmaz, İsmail Ömer; ÇİFCİ, GÜNAY; Tortopoğlu, Bulut; Akın, Serhat (2025-01-01) Natural fractures play a crucial role in both exploration and development phases in oil and gas industry, as their network and orientation significantly affect flow and recovery strategies. This study highlights the import...
Assessment of rarity and ecological preferences of the non-marine ostracods (Crustacea) in Çanakkale Province (Türkiye) Yavuzatmaca, Mehmet; Külköylüoğlu, Okan; Ataman, Alper; Ayteğin, Ahmet; Yılmaz, İsmail Ömer (2024-07-01) Rarity as a multidimensional concept has not been discussed for the ostracods along with the effects of physicochemical factors and sedimentation rates of waters on their distribution. We randomly sampled 91 aquatic sites ...
Integrated Approach for Efficient Reservoir Characterization and Completion of the Silurian Unconventional Formation in Southeastern Turkey Özkul, Canalp; Yılmaz, İsmail Ömer; Bensenouci, Fethi; Ezhov, Kirill; Yazaroglu, Mehmed Ekrem; Mengen, Ahmet Ergun (2024-01-01) The Silurian age Dadaş Shale in the Diyarbakır basin, SE Anatolian Basin are the most prospective unconventional reservoir in Turkey. However, the potential of this unconventional formation still remained ambiguous. Thus, ...
Natural Fracture Modeling in Unconventional Dadaş-I Member for 3D Seismic Survey in the Southeastern Turkey Orlov, Artem; Özkul, Canalp; Bensenouci, Fethi; Yazaroğlu, Ekrem; Mengen, Ahmet Ergun; Yılmaz, İsmail Ömer (2024-01-01) Silurian age Dadas-I shale exhibit low porosity and extremely low matrix permeability. Acting as one of the main source rocks in South-East Turkey, it represents a self-sourced unconventional play. This study aims at using...
Natural Fracture Modeling in Unconventional Dadaş-1 Member for 3d Seismic Survey: 131 Case Study, Turkey Yılmaz, İsmail Ömer; Orlov, Artem; Özkul, Canalp; Bensenouci, Fethi; Yazaroğlu, Mehmed; Mengen, Ahmet Ergün (2023-10-27) Traditional description of unconventional reservoir likeany natural fracture reservoirs relies heavily on qualityand analysis of image logs and core data at discrete welllocations. These data provide high vertical resoluti...
Palaeoenvironmental Significance of Pithonellid Calcitarchs in SE Anatolia: a Discussion on the Use of the Term ‘Calcispheres Yılmaz, İsmail Ömer; Mülayim, Oğuz; Ferré, Bruno (2023-09-27) ‘Pithonellid calcitarchs” (middle? Cenomanian) arefound in the organic-rich limestones of the DerdereFormation at SE Türkiye in the northern ArabianPlatform. Unfortunately, little is known about thepithonellid calcitarchs ...
Geomechanics Aided Solution to Support Drilling and Completion of Dadaş Unconventional Reservoirs, SE -Türkiye Yılmaz, İsmail Ömer; Bensenouci, Fethi; Mengen, Ahmet Ergün; Özkul, Canalp; Orlov, Artem; Ezhov, Kirill; Yazaroğlu, Mehmed Ekrem (2023-09-27) Exploring unconventional reservoirs is known to betechnically and economically challenging from drillingto reservoir evaluation and stimulation. In order todevelop unconventional reservoirs, oil companies haveto drill and ...

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