Durra Handri Saputera
PhD topic: Borehole electromagnetic modeling and inversion
|University of Bergen
|Sergey Alyaev, Nazanin Jahani, Kjersti Solberg Eikrem
|Real-time geophysical data imaging while drilling
|2022 – 2025
I have a keen interest in modeling geophysical data. I graduated from Idea League joint master program in Applied Geophysics, which is held at TU Delft, ETH Zurich and RWTH Aachen, and I worked on electromagnetic induction inversion in my master thesis.
In this project, I will be working on borehole electromagnetic induction tool data inversion to provide the subsurface image around the borehole during the drilling process. I am going to study on implementation of finite difference and integral equation numerical method for fast and accurate forward modeling.
For the inversion, I will explore different parameterization and algorithm that can be used for stochastic inversion to quantify uncertainty. In addition, I am going to study the effect of anisotropy in the inversion. Data-driven method such as physics-based machine learning is also considered as one possible alternative for fast computation.