... those issues, a novel stimulation, radial borehole fracturing has been proposed. To have a clear understanding of the radial borehole fracturing performance, a 3D Finite-Discrete Element Method model of radial borehole fracturing is established in this paper. Then, the applicability of the HM coupled...

... fracturing geological subdiscipline propagation azimuth simulation geology china government fracture network deflection angle horizontal in-situ stress radial borehole propagation behavior element method hot dry rock ARMA 23 0398 Numerical analysis of fracture propagation behavior in hot dry...

... ABSTRACT In this paper, we propose a new simulation method based on peridynamic for quasi-static fracture propagation in isotropic and transverse isotropic rocks. The new method is based on coupled peridynamic least square minimization and finite element method (PDLSM-FEM). The original...

... hydraulic fracturing upstream oil & gas fracture hydraulic fracture geologist united states government reservoir characterization geology reservoir geomechanics temperature difference fracture aperture tortuosity rock temperature propagation element method different initial rock...

... ABSTRACT Considering the low computational efficiency and accuracy of peridynamics (PD), a concurrent multiscale method coupling PD and finite element method (FEM) is proposed for modeling crack propagation of brittle rock under compressive load. In the coupling method, the fracture behavior...

... sequential wellbore intermediate well fengnan 4 hydraulic fracture adjacent well horizontal well technology condition well area pressure distribution element method deformation fracture propagation ARMA 23 155 Study on evolution law of pore pressure around well under different fracturing...

... thermodynamic property chen element method international journal ARMA 23 0225 Energized fracturing with CO2: A numerical simulation of the effects of thermodynamic properties of CO2 Feng Xiao Department of Civil Engineering, Monash University, Melbourne, Victoria, Australia Saeed Salimzadeh Commonwealth...

... as well as the contact between fragments. For this purpose, the combined finite-discrete element method with node splitting has been described in this work, including the governing equations, failure criteria, and contact interaction. The rock medium is discretized into triangular elements...

..., the analytical model predicts the induced stresses which can lead to fracture creation, while the numerical tool is used to model the propagation of these fractures. A modified discrete element method (MDEM) is used in the numerical simulations. The results show that the fracture creation and propagation...

... ABSTRACT: Material heterogeneity is commonplace in rock masses, and thus it is vital to investigate its influence on hydraulic fracture propagation in tight reservoir rocks. Here, based on the combined finite-discrete element method, two series of models with uniformly-distributed and Weibull...

... to investigate the mechanisms that control wave velocity, dispersion, and attenuation (Zhai et al., 2020). In addition, though indirectly related to this work, modelling of flow through granular beds is common in chemical engineering applications (Carman, 1997). The Discrete Element Method (DEM) has been...

... processes. These failure mechanisms are typically a result of nucleation, interaction and coalescence of micro-cracks present throughout the sample. In this study, the Finite-Discrete Element Method (FDEM), which merges the finite element-based analysis of continua with discrete element based transient...

...-syntax programming languages where details of implementation are not explicitly shown or commercial simulators that often lack the flexibility for implementing new ideas. We use the recently developed Virtual Element Method (VEM) and solve contact problems that allow fractures to dynamically interact...

.... The solid model uses the Finite Element Method (FEM) with cohesive zone element. The validation was carried by comparison with analytical solution and experiment results. Then, fracturing performance of different capillary force were analyzed. The simulation results show that capillary force has significant...

... ermeability dilation fracture ressure SRV enhancement geometry equation hydraulic fracturing element method calculation fracture network NF network propagation permeability ARMA 19-0303 Defining SRV in Naturally Fractured Reservoirs; How Is It Related to Production? Wang, Y. Petro-Geotech Inc...

.... The microstructure model is solved with the FEMDEM. The capacity of the proposed model in simulating microscale failure of sandstone is well proved in numerical cases. Artificial Intelligence Wellbore Design spatial reasoning Engineering reservoir simulation element method hydraulic fracturing...

... ABSTRACT: Source ground vibration in fault blocks of granular fault with respect to stick-slips is important to understand the dynamic behavior of sheared granular fault system. Here, a two-dimensional implementation of the combined finite-discrete element method (FDEM), which merges...

... rock mass and water by directly modeling the solid and fluid phases—the individual polyhedral blocks are modeled using the Discrete Element Method (DEM) while the water is modeled using the Lattice Boltzmann Method (LBM). The LBM mesh is entirely independent of the DEM discretization, making...

... ABSTRACT ABSTRACT: Sheared granular layers undergoing stick-slip behavior are broadly employed to study the physics of earthquakes. Here, a two-dimensional implementation of the combined finite-discrete element method (FDEM) is used to explicitly simulate a sheared granular fault system...

..., the extended finite element method (XFEM) and traditional finite element method (FEM) techniques are employed to study the behavior of a single crack initiation subjected to a tensile loading in pure mechanical (M), hydro-mechanical (HM) and thermo-mechanical (TM) conditions. For this purpose, water...