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SUMMARY:MEchanics GAthering –MEGA- Seminar: 3D Geomechanical Modelling o
 f CO2 storage with focus on Fault Stability
DTSTART:20240321T161500
DTEND:20240321T171500
DTSTAMP:20260405T164830Z
UID:c87944181e4f1639b70eebeac42eacd370c96ce9d2da08c26cdf0210
CATEGORIES:Conferences - Seminars
DESCRIPTION:Emil Gallyamov (GEL / LSMS\, EPFL)\nAbstract:\nUnderground 
 CO2 storage represents the most viable Negative Emission Technology capab
 le of significantly reducing atmospheric carbon dioxide levels. Ideal r
 eservoirs for CO2 sequestration are thick highly-porous and highly-permea
 ble formations ensuring a high storage capacity at industrially meaningfu
 l injection rates (MtCO2/year). Selecting a suitable CO2 storage site r
 equires thorough analysis of the geology\, structure and hydrology of eac
 h reservoir. One of the critical concerns during this assessment is the p
 otential for induced seismicity\, particularly due to the presence of fau
 lts in the vicinity of the reservoir. To evaluate the mechanical stabil
 ity of fault systems caused by changes in the hydro-mechanical state of a
  reservoir\, extensive numerical modelling is employed. \nThis talk discu
 sses the study of the suitability of a potential site for CO2 storage with
  a focus on mechanical stability of a fault system. For this purpose\, a
  geomechanical simulator was developed that incorporates hydro-mechanical
  coupling and modelling fractures and faults discretely. The hydraulic c
 omponent accounts for single-phase fluid flow in the bulk\, as well as la
 minar flow along rock discontinuities. Meanwhile\, the mechanical aspect 
 incorporates poroelasticity in the bulk and considers contact and frictio
 n along fractures and faults.\nBy modelling the injection of CO2 into a po
 tential 3D reservoir adjacent to a fault\, predictions are made of the evo
 lution of pressure and stress within the reservoir and the caprock. Moreov
 er\, the potential impact on the mechanical state of the fault is assessed
 . This geomechanical analysis contributes valuable insights to the process
  of site selection for safe and efficient CO2 storage.\n\nBiography:\nEmil
  R. Gallyamov is a Postdoctoral Researcher at the Geo-Energy and Computati
 onal Solid Mechanics Laboratories at EPFL. In his research\, he focuses on
  the geomechanical effects of underground anthropogenic activities\, such 
 as alteration of the rock stress\, hydraulic fracturing\, fault reactivati
 on\, surface subduction\, etc. He received his PhD in Mechanics at EPFL by
  studying and predicting mechanical behaviour of concrete structures under
 going alkali-silica reaction. Previously\, he obtained his Masters degree 
 in Geotechnical Engineering from Delft University of Technology in the Net
 herlands and Diploma in Civil Engineering in Ufa State Petroleum Technolog
 ical University in Russia. Dr. Gallyamov's industry experience includes di
 fferent positions in directional well drilling for oil & gas and spans ove
 r various locations comprising Siberia\, Bolivia\, Cuba and Gulf of Mexico
 .  
LOCATION:MED 0 1418 https://plan.epfl.ch/?room==MED%200%201418 https://epf
 l.zoom.us/j/67041786969?pwd=a1lXa3lsVGpvL1VpN2RDR2l4clg0QT09
STATUS:CONFIRMED
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