Monitoring Concrete Oil-Wells with Qualitative Microwave Imaging

In this paper, we present qualitative microwave imaging as a viable option for monitoring concrete oil-wells. In an oil reservoir, the surrounding material can block the perforation of oil through pores of concrete wall into the well. In that context, we demonstrate that the Factorization Method (FM), which belongs to qualitative inverse scattering theory, can be effectively employed to reconstruct subsurface images provided that multi-static electric field measurements are performed inside the well with a circular antenna array. The numerical analysis shows that by proper utilization of Green’s function for the problem, the clutters of structure can be removed and the algorithm can reconstruct an image representing abnormality in oil-well vicinity.