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Poromechanics of Salt Nucleation within an Unsaturated Reservoir Rock
The aim of this study is to estimate the stress induced by salt crystallization in a reservoir rock during an injection of supercritical CO2 operation. A "pore-scale" model is used to calculate the nucleation and growth of salt crystals within brine solution submitted to a drying out process. The induced crystallization pressure is then estimated through a generalized Correns law. This information is finally imported into a poromechanical model that allows calculating the local strain induced by the crystallization process. The stress state within a representative elementary volume of the host rock is then estimated through the equivalent tensile stress to which the solid matrix of the rock is subjected.
Poromechanics of Salt Nucleation within an Unsaturated Reservoir Rock
The aim of this study is to estimate the stress induced by salt crystallization in a reservoir rock during an injection of supercritical CO2 operation. A "pore-scale" model is used to calculate the nucleation and growth of salt crystals within brine solution submitted to a drying out process. The induced crystallization pressure is then estimated through a generalized Correns law. This information is finally imported into a poromechanical model that allows calculating the local strain induced by the crystallization process. The stress state within a representative elementary volume of the host rock is then estimated through the equivalent tensile stress to which the solid matrix of the rock is subjected.
Poromechanics of Salt Nucleation within an Unsaturated Reservoir Rock
Osselin, Florian (Autor:in) / Fabbri, Antonin (Autor:in) / Fen-Chong, Teddy (Autor:in) / Pereira, Jean-Michel (Autor:in) / Lassin, Arnault (Autor:in) / Dangla, Patrick (Autor:in)
Fifth Biot Conference on Poromechanics ; 2013 ; Vienna, Austria
Poromechanics V ; 772-781
18.06.2013
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Wave propagation , Poroelasticity , Salt , Rocks , Mechanics , Simulation , Porous media , Porosity
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