... subdiscipline injection inversion young time step displacement lateral strain finite element calculation cap rock ARMA 23-733 Autonomous Inversion of In Situ Deformation Measurement Data for Injection-Induced Stress Change Burghardt, J. and Bao, T. Pacific Northwest National Laboratory, Richland, WA...

... in the solid phase by SPH. These rates are used to calculate porosity, velocity, strain, stress and volumetric strain of all the particles at any given time step. Porosity rate and volumetric strain calculated in SPH solver are then transferred to FDM solver to calculate rate of change of pressure to find out...

..., which restricts the effect of shale oil development. hydraulic fracturing upstream oil & gas complex reservoir engineering stable time step propagate artificial intelligence structural geology model displacement matrix element cohesive element deformation shengli oilfield...

... simulation fault cell dynamic response enhanced recovery wellbore design fault stiffness time step stress change final injection time step ARMA 21 1684 Dynamic Response of Rock on Potential Leakage of Fault and Cap Rock: A Case Study from SEA Field K. Adisornsupawat PTTEP, Bangkok, Thailand P...

.... This ultimately results in a slight increase of fracture opening and net pressure. hydraulic fracturing fracture tip time step algorithm cohesive zone Upstream Oil & Gas Garagash net pressure toughness fluid lag modeling viscosity Detournay evolution time evolution fluid front Lecampion...

... equation of state annular fluid density Wojtanowicz gas migration permeability Drillstem Testing gas well wellhead temperature cement chemistry casing and cementing buildup curve annular space time step drillstem/well testing composite permeability Zhang migration cement sheath...

... commonly available computational power. proppant Simulation displacement discontinuity method iterative method hydraulic fracturing simulation time new algorithm algorithm fracturing materials Upstream Oil & Gas time step fluid flow fracturing fluid geomechanics iteration...

... regime fracture toughness Detournay closure case 1 fracture tip flow rate iteration fracture propagation fracture Upstream Oil & Gas fracture growth time step equation toughness injection propagation 1. INTRODUCTION Hydraulic fracturing is widely used to increase transmissivity...

... gap size particle interface chain equation of state Simulation time step fluid modeling particle rotational velocity borehole pressure fluid pressure Upstream Oil & Gas fluid injection localized feature bifurcation unconsolidated medium expansion peak pressure stage fluid-grain...

... coupling techniques have been the most attractive approach to use for simulating the H-M interaction, yet, the techniques are conditionally stable and require small time steps, affecting their efficiency for long-term simulations. To remove these restrictions, an unconditionally stable alternating...

... Characterization reservoir geomechanics equation of state multiplication fluid modeling hydraulic fracturing loading mode Artificial Intelligence geothermal reservoir Upstream Oil & Gas pore pressure displacement discontinuity method time step algorithm Ghassemi matrix-vector multiplication...

... the location of cohesive elements to be pre-assumed. As a result the model is unable to predict fracture trajectories under complex conditions. Artificial Intelligence Fluid Dynamics flow in porous media time increment hydraulic fracturing Engineering Upstream Oil & Gas time step fracture...

.... Reservoir Characterization Upstream Oil & Gas reservoir geomechanics element method hydraulic fracturing simulation time displacement time step application finite element Simulation crack element Grasselli deformation structural geology strength Rock mechanics Lisjak fracture contact...

... Element square displacement discontinuity element element grid size Reservoir Characterization excavation edge time step hydraulic fracturing vertex layout Fracture Zone strength slope application mining phase strength intercept effective fracture zone height algorithm 1. INTRODUCTION...

... case the source and damage are concurrent, and 2) Seismic wave propagation from energy redistribution that is induced by explosions and drilling in the excavation, in which case the source and the damage might be separate in distance and time [2]. rock mass mechanism time step displacement...

... network fracture propagation Artificial Intelligence displacement propagate junction algorithm time step boundary traction force rock block interaction fracture hydraulic fracture shear failure fracture mechanics model 1. INTRODUCTION Currently, hydraulic fracturing treatments...

... the shear failure can be generated as: = 1 1 3 (4) = 2 1 3 (5) = 4 3 (6) Where: So: Peak cohesion, Pa (psi) 3.2. Microseismic Events Observation and Analysis The next step is to divide the microseismic events into nth time step. Based on the observations of all the 6 stages (stage 1, 5, 7...

... damage fluid compatibility particle Computation Symposium landslide integration scheme reservoir simulation time step boundary SPH impulse wave equation Deformation analysis rock slope failure tsunami 1. INTRODUCTION Landslides, rock falls, and debris avalanches can generate significant...

... that the obtained resonance frequency is independent of the time step interval selected. Furthermore, DDA returns only a single resonance mode whereas the geophysical test results indicate two modes. This discrepancy is explained by the fixed base used in the DDA model which inhibits soil structure interactions...

...-average n ring (c) Inter tep is neede shing and c time step, ten computat em, a mass s f artificially step in an e he time step static project etter study t a mesh size scheme w test samples nd 309,155 u CS tests, res N to simu r of a rock, dy as the obj homogenou testing condi est le strength o ile test...