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CO2 Impact on Clay-Rich Sealing Cap-Rocks Experimental Results Interpretation and Numerical Simulations. Michel A. , Parra T. , Moutte J. and Kohler E. CO2 Geological Storage in France. SMB. Saint Martin de Bossenay General Oil Field Structure.
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CO2 Impact on Clay-Rich Sealing Cap-Rocks Experimental Results Interpretation and Numerical Simulations Michel A. , Parra T., Moutte J. and Kohler E. International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
CO2 Geological Storage in France SMB Saint Martin de Bossenay General Oil Field Structure ANR PICOREF, CO2 Geological Storage in France International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
SMB Modelling with Coores Reservoir Model Brosse E., Michel A., IFP Felacier S., Geostock 2D reactive transport Models Garcia D., ENSMSE International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Cap Rock Integrity International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Experimental Material Gaz de France (GDF)Drill Cores (1995) SMB Sealing Cap-Rock Parra T., Kohler E. (ANR Geocarbone Integrity ) International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Experimental Setting PAAR®Autoclave Clayey Rock Samples + CO2 P = 126 bars T = 150°C Delay = 30 days IFP Geochemical Department Laboratory International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Experimental ResultsA. Electron Microprobe Analysis Chemical Mapping Mineral Phases Mapping Clusters identification (De Andrade et al 2006) Si Mg Fe Quartz Pyrite Clays Anhydrite K Mixed Calcite Dolomite µm International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Experimental ResultsB. Transmission Electronic Microscopy Clays Ternary Diagram TEM + EDX Chemical Analysis Fe%Al%Si%K%Mg%… 90nm Clays Structural Formulae Diagram in 4Si,R2+,M+(Meunier and Velde 1989) International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Calcite Initial Final 90 Ca 80 8 Mg 19 Fe 2 1 Interpretation A. Carbonates CaCO3 Calcite-CO2 Dolomite-CO2 Dolomite Initial Final 42 29 Ca Mg 55 70 Fe 3 1 MgCO3 FeCO3 International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Interpretation B. Clays Phases Cartography IS2 : K-Rich Si-constancy Clays Filtered Maps IS1 : Fe-Rich Si-increase International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Mineral System Definition Primary (Initial) Secondary (Final) 14% Quartz 20% Iillite-Smectite IS Illite-Smectite IS1 10% Daphnite Illite-Smectite IS2 10% Kaolinite 7% Calcite_Start Calcite_CO2 5% Dolomite_Start Dolomite_CO2 4% Pyrite Anhydrite International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
= Kinetics Models U.S.G.S, OPEN FILE REPORT 2004-1068 James L. Palandri and Yousif K. Kharaka Rd (or Rp) pCO2 =100 At 150°C Calcite Daphnite pCO2 =10 pCO2 =1 Muscovite International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Batch Simulations Initial Speciation Equilibrium with Primary Minerals + Reactive Water pCO2 Dynamic Computation Time Reactive Water + Kinetical Minerals (Primary + Secondary) International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Short Time First Simulation Results Dolomite_CO2 Calcite_Start + Dolomite_Start Calcite_CO2 Calcite_CO2 + Dolomite_CO2 Calcite_Start International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Long Time First Simulation Results IS1 IS + Dolo_CO2 + Quartz + Daphnite IS1 Daphnite Calcite_CO2 then Quartz +Kaolinite Quartz Daphnite International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Thank you for your attention International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
SMB 3D Model International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Animation « Gas Saturation » International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Reactive Transport Injection of Reactive Water Initial Water Diffusion of Reactive Water Initial Water International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
Sensibility Analysis Carbonates Composition Carbonates Thermodynamics CaCO3 Ideal / non ideal MgCO3 FeCO3 International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008
-Exemples de tailles de grain : • Calcite= 10 à 200 µm • Quartz = 0.5 à 1mm • Epaisseur Feuillet d‘Argile = 0.7 à 1.4 nm International Workshop – « Modelling Reactive Transport In Porous Media » Strasbourg – 21-24/02/2008