Geological and geophysical scientific and technological research services, namely, using electromagnetic fields, acquired and/or simulated in one or in a combination of possible settings, such as in the air, on land, beneath the land surface, on the water surface or near the water surface, on the seafloor or near the seafloor, and/or in one or several boreholes for the purpose of reconstruction of subsurface resistivity to detect, evaluate, or monitor hydrocarbon reservoirs, mineral deposits,...