... transmissibility asperity surface roughness experimental result permeability 1. INTRODUCTION In order to estimate the stability and the performance of underground structures, nuclear waste disposal facilities in particular, and CO2 geo- sequestrations, etc., we must grasp not only the mechanical behavior...

... reservoir geomechanics relation machine learning hydraulic fracturing Artificial Intelligence Reservoir Characterization rock compliance experimental result compressive loading Upstream Oil & Gas compliance compressive stress rock specimen deformation hyperbolic model specimen...

... breakdown pressure Wellbore Design theoretical prediction Zoback experimental result wellbore integrity equation internal pressure Medlin fracture mechanics Ladanyi thick cylinder pressurization rate degue Pacific Rocks 2000, <?irard, Liebman, Breeds & Doe (eds) © 2000 Balkema, Rotterdam...

... is estimated. Comparing the theoretical analyses with the experimental results, the constitutive model is applied to the numerical simulation. I INTRODUCTION In general, the mechanical behavior of jointed rock masses is strongly affected by both the mechanical properties and the distribution of rock joints...

... (I) Figure I: Experimental results of the creep effects of water content, w, on soft rocks. (a). Effects on the long-term and failure cohesions, Cc and Ci ; (b). Ef- fects on on the long-term and failure internal frictions, 4>. and 4 (c). Effects on the long-term initial creep stress, O'i: (d...

... increase with increasing strain rate and agree well with the experimental results. hydraulic fracturing dynamic load dynamic uniaxial compressive load reservoir geomechanics strength tensile crack Upstream Oil &amp; Gas fracture toughness bukit timah granite compression crack model...

... in porous media ksi Permeability reduction material parameter Fluid Dynamics Pulse Technique Reservoir Characterization pore pressure test result effective stress Upstream Oil &amp; Gas variation procedure constitutive model rock model equation permeability experimental result...

... &amp; Gas dilation angle investigation experimental result continuously-yielding model shear response normal stress dilation shear stress shear displacement joint dilation Itasca Consulting Group dilation curve shear strength friction angle Rock Mechanics, Nelson & Laubach (eds) © 1994...

... Oil &amp; Gas numerical simulation MPa experimental result Rock Mechanics, Nelson & Laubach (OOs) © 1994 Salkems. Rotterdam, ISBN 90 541 0 380 8 Modeling of episodic failure leading to borehole breakouts in Alabama limestone Courtney G. Herrick & Bezalel C. Haimson Geological Engineering Program...

... trajectory new approach variation cutting process penetration phase doctoral dissertation paris fontainebleau instantaneous behavior variogramme experimental result maximal value interaction application primary function Rock Mechanics, Nelson & Laubach (eds) © 1994 Balkema, Rotterdam, ISBN 90...