... and artificial neural networks analysis and a rock mass classification system, respectively. metals & mining machine learning Upstream Oil & Gas classification system estimation Artificial Intelligence empirical equation situ test reservoir geomechanics rock mass deformation modulus...

... at the failure. Identifying these micro-crack development characteristics and their coalescence behavior is extremely important in characterizing the rock mechanical behavior. structural geology Rock Deformation bedded sandstone loading Upstream Oil & Gas Peak Load Reservoir Characterization...

... Modeling & Simulation Fluid Dynamics high seepage pressure specimen hydraulic fracturing seepage pressure axial strain seepage permeability coefficient fracture osmotic pressure Upstream Oil & Gas formula experiment MPa deformation limestone crack seepage-stress coupling Rock...

... a deterministic model in order to predict the areal net cutting rate ( ANCR ) of chain saw machines. Upstream Oil & Gas field performance Copur Reservoir Characterization strength mechanical property Wellbore Design Shore Hardness uniaxial compressive strength compressive strength Schmidt...

... deformation fracture structural geology Rock mechanics elastic energy high temperature Energy analysis Upstream Oil & Gas proportional ratio specimen uniaxial compression elastic strain energy Reservoir Characterization strength energy dissipation acoustic emission energy rate compression...

... elasticity modulus moisture content reservoir geomechanics strength Siltstone compression test triaxial compressive strength mechanical parameter uniaxial compressive strength rock sample fitting formula Reservoir Characterization Upstream Oil & Gas formula sandstone triaxial compression...

... fracture to form one or more flowing channels (Tsang & Neretnieks 1998). flow in porous media water management fracture characterization Fluid Dynamics retardation Artificial Intelligence Upstream Oil & Gas Simulation Reservoir Characterization concentration stagnant water zone...

... mass classification Rock Density Reservoir Characterization rock mass tunnel Upstream Oil & Gas prediction internal friction angle accident rock mechanical parameter statistical analysis mechanical parameter Rock Characterisation, Modelling and Engineering Design Methods Feng...

... pressures and pore pressures. Engineering sandstone creep creep deformation Reservoir Characterization Chinese Journal MPa creep behavior deformation Upstream Oil & Gas porosity effective stress pore water pressure stress level Nishihara model reservoir geomechanics pore pressure...

... roughness coefficient ( JRC ) (Barton 1977). Recently, the relationship between JRC and the fractal dimension D are studied by many researchers (Lee 1990). Xie. H obtained that the fractal dimension and the intercept are two key parameters of the rock surface (Xie 1993). Upstream Oil & Gas...

.... geologic modeling luminance roughness mechanical property Upstream Oil & Gas roughness profile variability surface treatment water jet surface treatment Costa ozcelik Reservoir Characterization stone surface treatment bortolussi geostatistical investigation careddu geological modeling...

... paths. In that sense the system is close to percolation threshold. Upstream Oil & Gas composite sphere coefficient Reservoir Characterization pore pressure Christiansen mechanical property effective stress flow in porous media porous medium porosity Dullien expression...

... and materials strength criterion drilling fluid selection and formulation Wellbore Design water activity 0 drilling fluid chemistry drilling fluid property Upstream Oil & Gas pore pressure moisture content anisotropy factor failure criterion water activity shale Chenevert wellbore integrity...

... engineering. structural geology strength particle mechanical behavior Upstream Oil & Gas Chinese Journal specimen compressive strength Reservoir Characterization Engineering simulation sample application meso-structure heterogeneity stress-strain curve discrete element method meso...

... produced a branch after having propagated some distance from the hole wall. Sandstone specimens, on the other hand, developed 3 fractures oriented at approximately 120° to each other (Figure 2). Alassi Simulation hollow cylinder Upstream Oil & Gas heterogeneity specimen increment...

... halite Emission Characteristic loading salt rock cyclic loading AE event acoustic emission characteristic energy rate Upstream Oil & Gas Rock mechanics specimen uniaxial compression count rate strength Deformation Stage experimental study thenardite Rock Characterisation, Modelling...

... of the long term mechanical behavior. The research on long-term mechanical behavior of fractured rocks of micro-contact and fracture model can provide theoretic basis for predicting instability of rock masses. Upstream Oil & Gas shear fractured rock Reservoir Characterization CT image...

... recommendation from ISRM for the crack initiations. Reservoir Characterization hydraulic fracturing wellbore integrity structural geology Artificial Intelligence Upstream Oil & Gas Chinese Journal Rock mechanics granite axial stress calibration accuracy experiment rock sample accuracy...

... in order to prevent the loss of the drilling fluid. Understanding the behavior of the yield stress fluid as it enters a natural rough-walled fracture is crucial for designing the additives used to stop the fluid loss. drilling fluid property Upstream Oil & Gas lubrication theory approximation...

... behavior of a fracture. Artificial Intelligence flow test arithmetic mean aperture reservoir geomechanics Upstream Oil & Gas referenced composite topography method Reservoir Characterization fracture characterization fracture aperture hydraulic aperture hydraulic fracturing aperture...