Announcement of the preliminary defense of the doctoral dissertation of Erlan Kanatovich Ospanov

Date and Time: November 18, 2025, at 15:00
Venue: Satbayev University, 22 Satbayev Street, Almaty, PC Building, Room 814

An extended meeting of the Department of Petroleum Engineering will host the pre-defense of the doctoral dissertation (PhD) by
Erlan Kanatovich Ospanov.

Dissertation Title:
“Improvement of Water-Based Drilling Fluids Using Nanoparticles and Modified Polymers to Enhance the Stability of Clay Formations.”

Domestic Scientific Supervisor:
Dr. of Technical Sciences, Associate Professor Gulzhan A. Kudaikulova

Foreign Scientific Supervisor:
Dr. of Geological and Mineralogical Sciences, Professor Takhir Kh. Shoimurotov

Reviewers:

1. Abdulakhat A. Ismailov — Dean of the School of Energy and Oil & Gas Industry, Candidate of Technical Sciences, Professor, KBTU.

2. Bibinur S. Akhymbayeva — PhD, Associate Professor, K. Turysov Institute of Geology and Oil and Gas Affairs, Department of Petroleum Engineering.

The pre-defense of the dissertation will take place on November 18, 2025, at 15:00 at the address:
22 Satbayev Street, Almaty, Room 814, PC Building, Satbayev University.