... as the slip-interface model (Schoenberg 1980). It is used for both analytical and numerical calculations (Coates and Schoenberg 1995). upstream oil & gas variation geophy energy coefficient frequency pulse wave amplitude waveform reservoir characterization frequency component single...

... composition shale gouge complex reservoir lijiawan village experiment earthquake coefficient frictional strength mpa aseismic slip reservoir characterization upstream oil & gas den hartog stability geophy seismicity longmaxi shale solid earth ARMA 21 1572 HPHT Fault Gouge Friction...

... that rock masses consisting of glassy pyroclastic rock may exhibit an increase in the permeability through disturbances in the transient stress. Upstream Oil & Gas fractured rock MPa Reservoir Characterization manga specimen Geophy flow in porous media Earthquake disturbance Fluid...

... engineering approach to mimic processes or parameters distributions are used. geothermal reservoir pore pressure candela injection-induced seismicity Reservoir Characterization fault roughness heterogeneity rupture event Upstream Oil & Gas friction normal stress Geophy seismicity...

... Characterization orientation mechanism Geophy shear band shear plane Upstream Oil & Gas acoustic emission Montney shale fracture growth AE event Vavry�uk diagram stanchit lockner granite deformation inversion source mechanism 1. INTRODUCTION The process of rock deformation can generate...

... seismic cycle aseismic response Geophy stress drop injection unperturbed case lapusta aseismic slip seismic event perturbation vw patch US government fluid injection interseismic period seismicity perturbation occur stress perturbation Magnitude 1. INTRODUCTION: THE CHALLENGE...

... Oil & Gas assessment operation seismicity injection forecasted microseismic event catalogue fracture pore pressure Earthquake application section 26 catalogue Geophy stress change perpendicular 1 1. INTRODUCTION It is now well-established that under certain geologic conditions...

... of self-similar rough-rough interfaces at any scale. McLaskey sensitivity mechanism tensor glaser Upstream Oil & Gas point source experiment Geophy algorithm subfault rupture finite source inversion Reservoir Characterization source inversion micro-asperity rupture source...

... and Q-factor with increasing pressure. Remarkable differences are observed in the changes of velocity and attenuation anisotropy as pressure is increased. orientation velocity anisotropy Antigorite Serpentinite foliation plane Reservoir Characterization attenuation variation Geophy...

... magnitude. geothermal reservoir model parameter seismicity Upstream Oil & Gas time-dependent earthquake nucleation Geophy hydraulic fracturing injection model semi-analytical approach earthquake nucleation seismicity rate Reservoir Characterization temperature distribution stress...

... stability shale gas transient permeability change experiment permeability evolution permeability change deformation velocity step fracture complex reservoir tectosilicate stability Geophy solid earth mineralogical composition frictional strength permeability 1. INTRODUCTION...

... formulation coating alteration shear strength co 2 contact model Geophy relative coating concentration 1. INTRODUCTION Shear strength of natural faults is crucial in determine slip of faults. Studies show that natural faults tend to slip at much lower resolved shear stress than laboratory inferred...

... in porous media Fluid Dynamics Scholz experiment displacement co 2 shear slip frictional strength permeability Geophy evolution Elsworth Earthquake permeability evolution fracture surface caprock normal stress Dieterich seismicity fracture 1. INTRODUCTION Geological storage of carbon...

... experiment shear strength reservoir geomechanics frictionally weak mineral particle coefficient fracture characterization Thickness frictionally weak phase Geophy bulk shear strength gouge Upstream Oil & Gas gouge sample heterogeneous mixture configuration fault gouge 1. INTRODUCTION...

... friction MPa Health & Medicine state boundary surface strength decay Dieterich Geophy triaxial test sedimentary rock licl 1. INTRODUCTION The Finite Element Method (FEM) simulation of faulting has received an increasing attention in the last fifteen years (Wang, 2001, Zhao, 2004, Hu, 2004...

... spectrum corner frequency earthquake mclaskey propagation spectra experiment acoustic emission fourier transform reference source geophy upstream oil & gas reservoir characterization source spectrum fault surface 1. INTRODUCTION Acoustic emissions (AEs) are tiny seismic events thought...

... characterization saturation condition sandstone upstream oil & gas geophy nacl attenuation characteristic attenuation coefficient reservoir rock concentration quality factor 1. INTRODUCTION Carbon capture and storage (CCS) in geological reservoirs is one of the best ways to reduce anthropogenic...

.... Field studies indeed reveal that seismic event clouds may be elongated along the maximum principal stress direction [5,6,7]. geophy injection rate change upstream oil & gas envelope seismicity injection start contribution perturbation event cloud reservoir characterization fluid...

... Geophy asperity failure video camera Reservoir Characterization foreshock dynamic asperity failure laboratory sensor asperity light intensity rupture foreshock sequence relation rise time experiment sequence interface 1. INTRODUCITON Frictional faults have been studied...

... maximum differential stress Reservoir Characterization Geophy mineral strain rate horizontal differential stress maximum HD gradient stress Gradient focal depth differential stress maximum horizontal differential stress clinopyroxene crust focal depth distribution local lithosphere flow...