... in an industrial context and use appropriate rock properties as inputs into the numerical model. Using the developed code, this study explicitly focusses on the calibration and validation of the model with four different, previously published, hydraulic aperture evolution expressions (Kohl et al. , 1995; Renshaw...

..., as shown in Figure 1. fracture software engineering conductivity upstream oil & gas complex reservoir aperture fracture characterization reservoir characterization hydraulic fracturing stimulation matrix displacement fracture aperture equation hydraulic aperture fracture...

... complex reservoir Rasouli mechanical aperture Hosseinian hydraulic aperture ON THE ROLE OF FRACTURE SURFACE ROUGHNESS IN FLUID FLOW AND SOLUTE TRANSPORT THROUGH FRACTURED ROCKS *Z. Zhao Tsinghua University Shuangqing Road 30, Haidian Beijing 100084, China (*Corresponding author: zhzhao...

.... Since the adopted calculation method is incremental with preset time steps, equilibrium is assumed to occur in the model when the pressure and stress fields no longer change between two consecutive time steps. The mechanical deformations in the normal direction (Un) and hydraulic apertures...

... geometry and FNETF computational code. Direct estimates cannot provide an intrinsic definition of input data to the model, especially for hydraulic aperture of fractures. Detailed measurements of the inflow into Siah Bisheh powerhouse and transformer caverns provided an opportunity to determine...

... aperture experiment granite Ph Condition Fluid Dynamics flow rate asperity hydraulic aperture dissolution fracture permeability hydraulic fracturing fracture aperture monotonically evolution fracture differential pressure Upstream Oil & Gas permeability concentration reduction rock...

... by numerical modelling. The VIPLEF/HYDREF codes used take into account of the double porosity of the sample (fracture+rock matrix) and make it possible to precisely reproduce the hydromechanical loading. The analyses show that the relation between the hydraulic aperture of the fracture and mechanical closure...

... aperture borehole reduction hydraulic aperture rock mass technology roadmap jrc 0 tunnel isrm 2003 Quadro IMPROVED UNDERSTANDING OF HIGH PRESSURE PRE-GROUTING EFFECTS FOR TUNNELS IN JOINTED ROCK 85 BARTON, N. & QUADROS, E. Improved understanding of high pressure pre-grouting effects for tunnels...

... as the intact granite (10 −20 m 2 ). The permeability of the fractures significantly increases when shear strengths is exceeded. Calculated hydraulic aperture to water is about 4µm.The permeability to water is five times less than that to gas. RÉSUMÉ: Cette communication presente les resultats des essais...

... between the two fracture surfaces and is governed by components with a few largest wavelengths, and that the hydraulic aperture normalized by the mean aperture of a sheared fracture is much greater than that of a fracture without being sheared when they are closed to have the same mean aperture normalized...

... constant normal stiffness shear displacement granite joint Reservoir Characterization stiffness hydraulic aperture initial normal stress production logging normal stress cn test fluid flow shear test Direct shear tests under constant normal stiffness and fluid flow \. Essais de cisaillement...

... we have drawn can be summarized as follows: Simulation results indicate that water flows in fractures are not parallel plate flows but flows in pipe-like channels formed in fractures. The hydraulic aperture and hydraulic cross-sectional area of in-situ channels can be determined, using a non...

... learning production monitoring production control Upstream Oil & Gas hydraulic fracturing roughness mechanical aperture Artificial Intelligence aperture normal stress sample aoi reservoir geomechanics production logging displacement hydromechanical test hydraulic aperture differential...

... transmissivity fracture sawed fracture transmissivity tension fracture different fracture granodiorite conductivity hydraulic aperture deformation Laboratory experiments on geometric and hydromechanical characteristics of three different fractures in granodiorite Essais en laboratoire pour determiner...

... applied to six sub-horizontal joints intersected by a borehole at Luleå University of Technology, Sweden. The rock type at the site is granite and the joints are located at 80 to 417 metres depth. The study demonstrates that hydraulic aperture and joint normal stiffness can be determined accurately from...