Transcript CNRS presentation

Porosity network and transfer properties of geothermal
formation :
Importance of damage zones around faults and fractures
Géraud Yves, Rosener Michel, Place Joachim
Institut de Physique du Globe de Strasbourg
Equipe de Physique des matériaux
UMR 7516, Université Louis Pasteur-CNRS
Strain and rheology of fracture and fault zones
Petrophysical data
Geology
Petrography
Mineralogy
structure
Gouge or cataclasites
Strain
Stress
Temperature
time
PYGARKI Fault
Hanging wall
Rheologic model
THM Code_bright
Porosity
Permeability
Thermal conductivity
Intrinsic
properties
Transport through Soultz/forêts granite
Mass fluxes
From mineralogical and
geochemical analysis
From the sample to the mineral scale
Fluid fluxes
Thermal fluxes
X-ray tomodensitometry
3
2.56
W/mK
2,8
2,6
Illite
2,4
Calcite
Quartz
2,2
2
1,8
Rh :
Rh : 10-14 m
10-12
m
K109
Thermalconductivity by
optical scanning
Physico-chemical model of transport
Transport through Soultz/forêts granit
Experimental and numerical model of the fluid-rock
interaction around a fracture
Mass flux
measurement
Thermal flux
measurment
Fracture
Granit with
damage zone
Fluid flow
Experimental tests under X-ray tomodensitometry
Numerical tests under kindis, Kirmat and Code bright m
Area of investigation
Actual extension :
East Europ,
Greece Turkey
L ’ oligo-miocen to actual extension
W Europe, France- Spain