... dynamics mineral reservoir characterization silicate experiment buffer block united states government suction installation phd vapor diffusion flow in porous media equilibrium saturation change initial saturation bentonite equation simulation geological repository yuan feng drilling...

... by mesopores (2-50 nm). Based on the obtained pore size distributions, water retention curves are built and are closely associated to water adsorption behavior. Due to the dominant mesopores, the studied fireclay and shales behave a strong water retention capacity with matric suction reaching ~ 100-150 MPa...

... cation concentration, and ionic strength (via osmotic suction). The mechanical model for the buffer is based on an existing double-structure formulation that accounts for the deformations at two structure levels, microstructure and macrostructure. Chemical effects are defined and coupled...

... the impact of cement hydration on stiffness development. An insight is presented on the development of shear wave velocity (Vs) with the ongoing hydration process during the first week after mixing. Developing self-desiccation suction in sealed samples was measured. The lack of significant early restraint...

... coupling particle suction saturation compression wrc coupling comminution granular soil reservoir characterization hypothesis upstream oil & gas grain size hydraulic fracturing géotechnique relation hydraulic state unsaturated granular media buscarnera evolution ARMA 15-231...

... on safety and reservoir storage capacity [2]. constitutive model reservoir characterization dissolution volumetric strain suction time evolution numerical simulation engineering concentration evolution reservoir geomechanics simulation pernambuco degradation federal university upstream...

..., the comparisons between model predictions and observations are quite satisfactory. Upstream Oil & Gas Reservoir Characterization Geotechnique in-situ test MPa flow in porous media nuclear waste repository porosity prediction liquid pressure clay barrier Fluid Dynamics heater suction...

... in host rock. Reservoir Characterization resaturation time international journal buffer material flow in porous media Simulation Upstream Oil & Gas liquid water suction coupling host rock equation bentonite base case Fluid Dynamics canister unsaturated soil conductivity...

... stress state Implementation reduction Microstructure preconsolidation stress constitutive model sandia national laboratory Fluid Dynamics Albuquerque suction Alonso strain rate ARMA 12-260 A Double Structure Constitutive Model for Expansive Clays: Problems for Verification in Sierra...

... to gas production from these reservoirs. In this work, we measured the spontaneous water imbibition on nine oilfield rocks (8 sandstones and a limestone), and evaluate water suction capacity as a function of time. We also compare these measurements to water suction in capillary slides. Results indicate...

... ABSTRACT : The objective of this work is to propose a constitutive model in order to describe coupled plastic damage behaviour of partially saturated concrete and hard rocks. Plastic behaviour is characterised by using two yield surfaces respectively for stress controlled and suction...