... & Gas liner Reservoir Characterization orientation plane Gauss instability increment Artificial Intelligence Displacement vector plot separation closing plane elastic-plastic model failure mechanism structural unit compliance matrix MPa ith plane underground cavity deformation...

... with distance from the drift wall to be determined up to a depth of 5 m. The vertical stresses determined using rock cores varied with distance and reached a maximum of 4 - 5 MPa at a distance of 2 - 3 m from the drift, when the highest concentration of stress was expected. The vertical stress variation...

... Reservoir Characterization strength geomechanical model stability shear resistance powerhouse procedure stress-strain state Upstream Oil & Gas displacement stress state MPa arrangement modeling transformer room investigation excavation PHYSICAL MODELING OF ROCK MASS FOR STABILITY...

.... Reservoir Characterization exponent failure criterion Artificial Intelligence criterion prediction Upstream Oil & Gas test result criteria hoek-brown criterion MPa machine learning strength sigma 1 envelope failure envelope estimation equation triaxial strength rock mass sigma 3...

... of the mixing blade, down/up speed, rotational speed and the flow of the injected mixture. untreated soil execution parameter diameter compressive strength MPa grout laboratory sample strength compression test uniaxial compressive strength sludge deposit soft soil characteristic evaluation...

... or expected to start in the future. laboratory test average value Reservoir Characterization site characterisation Strait Almarchal Unit Algecira MPa tunnel load test convergence gallery flysch unit Tarifa Gallery Almarchal pressuremeter test tarifa experimental gallery gripper...

... den sit y and th e max imu m cra ck le ngt h i f it is co mpa red t o t hat o f r ock mate ria l. INTRODUCTI ON Th e eva lua ti on of th e v alu e of the d efo rma bi lit y mod ulu s t o be ass umed for t he roc k mas s i s a d iff ic ult ta sk wh en a con ti nuo us eq uiv ale nt ap pro ac h i s u se...

... MPa strength fine-grained sedimentary rock shale mudshale elasticity water content Reservoir Characterization Upstream Oil & Gas mudstone moisture content reduction mechanical behavior mudrock compressive strength clayshale uniaxial compressive strength mechanical behaviour...

... mass rock mass field test result UDEC prediction result MPa explosion problem DISCRETE ELEMENT MODELLING OF AN EXPLOSION TEST IN GRANITE S.G. Chen1, J. Zhao2, A. Makurat3 and C. Madshus3 ABSTRACT A field explosion test is conducted to investigate the shock wave propagation in jointed rock...

... displacement minor principal stress right wall Upstream Oil & Gas sidewall excavation reservoir geomechanics powerhouse cavern stress analysis MPa Reservoir Characterization cavern contour scale 1 tensile-stress area principal stress consecutive excavation stage principal...

... of 2.5 months. Upstream Oil & Gas concrete lining Reservoir Characterization steelwork shaft column MPa metals & mining operation shaft pillar strength lining design limit shaft pillar Anchor lava deformation excavation vertical stress plastic deformation level station...

... area cable Reservoir Characterization displacement convergence MPa pillar deposit stabilization measure Upstream Oil & Gas Workshop Area layout pillar 4 stress level Stability Study Static and Dynamic Considerations in Rock Engineering, Brummer (ed.) © 1990 Balkema, Rotterdam. ISBN...

... (0,q) Upstream Oil & Gas reservoir geomechanics regional pillar metals & mining Salamon strength Reservoir Characterization pillar strength strata stiffness MPa pillar stiffness pillar layout geometry bepil pillar location layout procedure tensile zone instability...

... investigation Fracture design and containment well integrity borehole 2 simple test tensile strength indication MPa determination packer ABSTRACT: Using a mechanically-expanded single packer and a small hand pump, fluid-injection tests were performed in three different underground situations...

... rock mass penetration Upstream Oil & Gas transfer tunnel lesotho highland water project prediction model reservoir geomechanics total hardness Delivery Tunnel DRI value boreability sandstone MPa tunnel Static and Dynamic Considerations in Rock Engineering. Brummer (ed) © 1990...

... is stored in lined rock caverns (Lindbo, 1989). high pressure (some MPa) repeatedly applies at rocks through rock cavern linings. It is necessary to investigate long-term rack fatigue to evaluate the stability and design of underground rock caverns for SMES and high-pressure gas storage. Since the early...

... NFEMP(Singh, 1988). This code is used to simulate borehole breakouts in hard crystalline rock. wellbore pressure management fran radius aa MPa breakout directicn damagevector ad equaticn damageplane Upstream Oil & Gas borehole breakout Damage Material Model directien central...

... bande de frequence ultrasonique ou des mesures sans pression de confinement. Pour combler ce manque de donnees, nous avons developpe un dispositif de barre resonnante sous pression de confinement (jusqu'à 45 MPa) donnant des mesures très fiables de l'attenuation intrinsèque dans la bande sonique (2 kHz...

... MPa fracture permeability rubber sleeve ABSTRACT: The paper reports the results of an experimental study concerning the influence of confining pressure on gas permeability of sandstones having different mineralogical composition, with permeability values ranging from 0.0009 md to 200 md...

... structural geology brittle field creep test Artificial Intelligence constant strain rate fangshan granite tan tjong kie reservoir geomechanics time effect sandstone creep granite apparatus Reservoir Characterization emission Upstream Oil & Gas dilatancy Earthquake MPa time...