GEOELECTROMAGNETIC RESEARCH CENTER IPE RAS Viacheslav Spichak WHO WE ARE? • Geoelectromagnetic Research Center of the Institute of the Physics of the Earth, Russian Academy of Sciences (GEMRC IPE RAS) situated in the scientific center Troitsk just 20km South of Moscow • Founded in 1993 as a spin-off from the famous Institute for Geomagnetism, Ionosphere and Radiowave Propagation (IZMIRAN) • 54 staff (22 staff at doctorate level) • 5 Laboratories: - magnetotellurics, - interaction of EM field and rocks - data interpretation methodology - environmental studies - marine EM, GEMRC SCIENTIFIC PROFILE • Theory, algorithms and numerical methods for modeling and inversion of electromagnetic inhomogeneous media; data in • EM mapping of volcanoes and geothermal zones; • EM monitoring macro-parameters of active 3-D faults, reservoirs, etc.; • regional magnetotelluric studies; • joint interpretaion of EM and other geophysical data EM MAPPING VOLCANOES • LEFT: EM image of the Kilauea volcano’s magma chamber (Hawaii) • RIGHT: conductivity model of the Komagatake volcano (Hokkaido, Japan) EM MAPPING FAULTED ZONES • Minou fault zone (Kyushu, Japan) • Regional model of the northern Tien-Shan faulted area EM MONITORING OF THE FAULT MACRO-PARAMETERS • LEFT: Fault model • RIGHT: Recognition errors of the fault macro-parameters depending on the noise level in the MT data EM MAPPING GEOTHERMAL ZONES • Volume resistivity image of the Minamikayabe geothermal area (Hokkaido, Japan) • Conductive clay cap underlain by more resistive reservoir POTENTIAL CONTRIBUTION TO ENGINE • Review on MT and seismics in geothermal exploration (together with A. Manzella, Launching conference) • Methods of 3-D electromagnetic modeling and imaging subsurface targets (WS 1) • 3-D modeling magnetotelluric fields in geothermal systems (WS 2) POSSIBLE COLLABORATION • Construction of 3-D electrical resistivity models of the geothermal areas taking into account the EM data, prior geological and geophysical info and formalized expert’s experience • Modeling of MT monitoring of the reservoir macroparameters • Development of 3-D temperature models of the geothermal zones from well records and estimation of the correlation with the resistivity distribution