Simulations and inversions of electromagnetic geophysical data are paramount for
discerning meaningful information about the subsurface from these data. Depending on the …

Simulating direct current resistivity, frequency domain electromagnetics and time domain
electromagnetics in settings where steel cased boreholes are present is of interest across a …

ABSTRACT A resurgence of interest in the problem of electrical or electromagnetic
scattering from thin conductors, either on a line or in a plane, has been motivated in recent …

Steel-cased wells used as long electrodes (LEs) in a surface-electric or electromagnetic
survey can enhance anomalous signals from deep hydraulic fracturing zones filled by …

Electrically conductive fluid injected during the operation of hydraulic fracturing can be
mapped by anomalous electromagnetic (EM) fields under the excitation of controlled EM …

In oil and gas production environments, controlled-source electromagnetics can be used to
aid brownfield exploration, development, and reservoir monitoring efforts. However, such …

In 3D geo-electromagnetic modeling, an adequate discretisation of the modeling domain is
crucial to obtain accurate forward responses and reliable inversion results while reducing …

Electromagnetic (EM) imaging aims to produce large-scale, high-resolution soil conductivity
maps that provide essential information for Earth subsurface exploration. To rigorously …

Thin and highly conductive objects are challenging to model in 3D direct-current (DC)
problems because they often require excessive mesh refinement that leads to a significant …

Electromagnetic methods are increasingly being applied in settings with steel infrastructure.
These include applications such as monitoring of CO2 sequestration or even assessing the …