... the Hydraulic Fracture Test Site-1 to simulate hydraulic fracture growth in different landing zones along the length of horizontal wells. We found that strata with lower stress allow for significant lateral growth while strata with higher stress act as barriers to vertical growth. When stimulation occurred...

... numerical simulation simulation sandstone reservoir characterization experiment university mpa international journal journal co 2 wetenhall engineering newcastle university illustration evolution secant poisson equation ARMA 22 2184 Numerical simulation of triaxial experimental results...

... settings, however the majority of data informing fallout processes come from environments devoid of relevant buildings or other structures. This paper summarizes recent developments in simulations of above-ground nuclear explosions as part of a broader effort to better characterize conditions within...

... unconfined compression testing on intact rock specimens and analogue specimens used to prepare rock-like test samples and numerical simulations of compression testing on similar materials. The database is used to develop the relationship between porosity and Young’s modulus. In addition to the porosity...

... ABSTRACT: We present results of an investigation into the mechanisms of damage in granular microstructures conducted through direct numerical simulation with the combined Finite-Discrete Element Method (FDEM). Scanning Electron Microscope (SEM) images of a pressed crystalline powder...

... porous media and highlights the necessity of considering shear dilation for accurate prediction of saturation distributions. The simulations also demonstrate the capacity of our model to capture the complex coupled behavior induced by the interaction between pore pressure and in-situ stress loadings...

... geology orientation hmax constrain reservoir geomechanics magnitude grid north conference upstream oil & gas reservoir characterization zoback high topography-complex geological structure simulation deviate comparison ARMA 22 2048 Comprehensive Stress Modeling approach for High...

... the investigation of the mechanical deformation and chemical reaction influences on the performance of HT-ATES for the Lower Tuscaloosa site. Thermo-hydraulic (TH), thermo-hydro-mechanical (THM), and thermo-hydro-chemical (THC) coupled simulations were performed with different operational modes and injection rates...

.... Based on the experiment setup, 2-D axisymmetric simulations were performed for the heated column and the mechanical changes were investigated in 3-D. The model first matched the temperature evolution with step-wise temperature boundary conditions at the heater and calibrated the thermal conductivity...

... investigated using a realistic particle-size distribution sample that replicates the weak cemented sandstone in Kazakhstan. The simulation was performed by the modified Johnson-Kendall-Roberts (JKR)-based DEM model with cohesive contact forces. According to the model, bonds between particles are broken...

... ABSTRACT: An adaptative multimeshing algorithm is introduced to simulate hydraulic fracture propagation considering temperature evolution in a petroleum reservoir. The methodology enables an implicit solution by which fracture damage is solved semi-explicitly and sequentially, in a pseudo time...

... transport in the tortuous fracture is simulated. The flow and proppant transport characteristics of supercritical CO 2 slurry in tortuous fractures were analyzed, and the effects of injection velocity, injection temperature and injection pressure on proppant transport and distribution in tortuous fractures...

... 3DEC modeling software. After the completion of the direct shear test simulations, a shear strength of the fault plane was estimated by back calculation. The DFNs with subhorizontal/vertical dip angles created an imbricate structure that resulted in a stepped geometry and strong shear response...

... ABSTRACT: Different scholars had carried out much research on rock damage during perforation by numerical simulation or experiment, but they had not considered the influence of metal jet morphological feature on rock damage during perforation. In this paper, a numerical calculation model...

... (BBMs) are a type of DEM that can be used to simulate rock at both the laboratory and field scales. However, limited studies have been performed on high porosity rocks (porosity > 15%) using BBMs. This research focuses on the generation of a 2-Dimensional 27% porosity BBM model for a large-scale...

... ABSTRACT: This paper aims to provide insights into the effectiveness and failure mechanism of shotcrete lining in mine developments. For this purpose, a two-dimensional numerical program based on the Finite-Discrete Element Method (FDEM) was utilized to simulate an instrumented section of a 10...

... mechanism modeling nmm boundary geometry simulation porosity precipitation diffusion macroscale salt creep ARMA 22 170 Linking Microscale Processes to Macroscale Salt Creep With a New THMC Model Hu, M.* Lawrence Berkeley National Laboratory, Berkeley, CA, US Steefel, C.I. Lawrence Berkeley...

... propped fractures is proposed. On the basis of the numerical simulation results of proppant transportation, the factors affecting the conductivity of cross propped fractures are analyzed. The results show that the proppant falls at a low velocity into the narrow natural fracture, and then moves slowly...

... the movement of boundary, so as to research the variation of cavity shape. According to the simulation results, it can be concluded that the region with the brine concentration of 210 g/L – 270 g/L is the key to enlarge the cavity volume in the connectivity stage. Compared with single-well salt cavern gas...

... on specific aspects of creep simulation in salt rocks are also discussed at this stage. From that, we present an analysis to estimate the wellbore closure time under field conditions representative of the Brazilian basins, coupling the adjustments made in the previous stage. As a result, it is observed...