Electromagnetic Subsurface Imaging in the Presence of Metallic Structures: A Review of Numerical Strategies

O Castillo-Reyes, P Queralt, P Piñas-Varas, J Ledo… - Surveys in …, 2024 - Springer
Electromagnetic (EM) imaging aims to produce large-scale, high-resolution soil conductivity
maps that provide essential information for Earth subsurface exploration. To rigorously …

Land CSEM simulations and experimental test using metallic casing in a geothermal exploration context: Vallès basin (NE Spain) case study

O Castillo-Reyes, P Queralt… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Controlled-source electromagnetic (CSEM) measurements are complementary data for
magnetotelluric (MT) characterization although its methodology on land is not sufficiently …

Deep-learning electromagnetic monitoring coupled to fluid flow simulators

D Colombo, W Li, E Sandoval-Curiel, GW McNeice - Geophysics, 2020 - library.seg.org
Reservoir characterization and monitoring represent some of the most ambitious goals for
geophysical methods. Several challenges are involved, including sensitivity to the …

3D borehole-to-surface and surface electromagnetic modeling and inversion in the presence of steel infrastructure

ES Um, J Kim, M Wilt - Geophysics, 2020 - library.seg.org
The borehole-to-surface electromagnetic (EM) method is a viable imaging and monitoring
tool for energy reservoirs, geologic storage, geothermal exploration, fault zones, and other …

Insights on electromagnetic field distribution due to a vertical electric dipole source inside an infinite steel casing

NH Cuevas - Geophysics, 2024 - library.seg.org
Energized vertical steel casings have been developed to excite and monitor changes in the
electrical properties of resistivity anomalies associated with hydrocarbon production and CO …

Deep learning-based EM inversion for reservoir monitoring

W Li, D Colombo, E Sandoval-Curiel - SEG Technical Program …, 2019 - library.seg.org
Mapping reservoir saturation from electromagnetic data via resistivity is a challenging
problem for standard inversion methods. The EM inverse problem is highly non-convex and …

An approximate inversion scheme for surface-borehole electromagnetic in the presence of steel casing: 1D implementation

NH Cuevas - Geophysics, 2021 - library.seg.org
ABSTRACT I have developed an approximate inversion scheme for surface-borehole
electromagnetic data. The method aims at reducing the computational burden arising by the …

Delivering an end to end monitoring strategy for CCUS projects

J Le Calvez, M Branston, T Mizuno… - 2nd Geoscience & …, 2021 - earthdoc.org
The development of improved technologies for carbon capture, utilization and sequestration
requires a wide spectrum of expertise and calls for cross-disciplinary work in engineering …

Do metal infrastructure effects cancel out in time-lapse electromagnetic measurements?

G Orujov, A Swidinsky, R Streich - Geophysics, 2022 - library.seg.org
Controlled-source electromagnetic methods have the potential to be used in reservoir
monitoring problems due to their sensitivity to subsurface resistivity distribution. For …

Multiphysics framework for cost-effective, long-term monitoring of carbon storage in a carbonate reservoir

T Alyousuf, D Colombo, E Turkoglu… - The Leading …, 2024 - pubs.geoscienceworld.org
We evaluate an effective and cost-efficient multiphysics approach for long-term monitoring of
carbon storage in carbonate reservoirs. A key focus of our study is to advocate for a cost …