Abdirizak Omar

PhD Students

Ph.D. Student -ERPE Program


Research Interests

Abdirizak’ s research is focused on understanding and optimizing subsurface processes and techniques to store CO2 in order to reduce net emissions. He studies how EOR can be coupled with CO2 storage. He also studies CO2 storage in reactive rocks/porous media such as basalts through carbon mineralization. His research is mainly done through numerical simulation complemented by experimental studies.

Selected Publications

Co-optimization of CO2 storage and enhanced gas recovery using carbonated water and supercritical CO2. 

Omar, A., Addassi, M., Vahrenkamp, V., & Hoteit, H. (2021).

Energies, 14(22), 7495.



Comparison of various reactive transport simulators for geological carbon sequestration.

Addassi, M., Omar, A., Ghorayeb, K., & Hoteit, H.

International Journal of Greenhouse Gas Control, 110, 103419, (2021)



A new enhanced gas recovery scheme using carbonated water and supercritical CO2

Omar, A., Addassi, M., Hoteit, H., Vahrenkamp, V.

Proceedings of the 15th International Greenhouse Gas Control Technologies Conference (2021)



  • M.Sc., Energy Resources and Petroleum Engineering, KAUST, Saudi Arabia, 2021
  • B.Sc., Petroleum Engineering, Middle East Technical University, Turkey, 2018

Professional Profile

  • 2019 – present: Research Assistant, KAUST, Thuwal, Saudi Arabia
  • 2018 - 2019: Research Assistant, Middle East Technical University/TUBITAK – Project ECOBASE, Turkey
  • 2017: Intern (Reservoir Engineering), Turkish Petroleum Corporation, Ankara, Turkey
  • 2017: Intern (Production Engineering), Guney Yildiz Petrol, Ankara, Turkey
  • 2016: Intern (Well Completion), Turkish Petroleum Corporation, Adiyaman, Turkey

Scientific and Professional Membership

  • Society of Petroleum Engineers (SPE)
  • European Association of Geoscientists and Engineers (EAGE)


  • 2018: Research Scholarship – The Scientific and Technological Research Council of Turkey (TUBITAK)
  • 2018: High honor graduate – Middle East Technical University (METU)
  • 2016: Undergraduate Merit Scholarship – Ministry of Education, Turkey

KAUST Affiliations

  • Ali I. Al-Naimi Petroleum Engineering Research Center (ANPERC)
  • Physical Science and Engineering Division (PSE)

Research Interests Keywords

CO2 storage Reactive transport modeling CO2 EOR