... irregular pore-water pressure, complex surface geometry and slip surface definition (Krahn 2003). Figure 1 shows the detailed surface geometry often found in complex slope failures that was captured by modern LiDAR airborne technology. geological modeling Upstream Oil & Gas geologic modeling...

... Characterization structural geology risk management Upstream Oil & Gas borehole geological complexity bedding plane shear rock mass fracture foundation site characterisation site investigation investigation complexity site descriptive model ground engineering model geological model 1...

.... spatial reasoning Simulation failure mode expert system displacement information Artificial Intelligence dimensional consideration decision support system Upstream Oil & Gas predictive simulation instrument Hutchinson interface consideration monitoring shear surface History...

..., allowing a very simple slope analysis. cloud computing node surface reconstruction instability Upstream Oil & Gas DEM Artificial Intelligence orientation structural analysis application triangulation octree point cloud dip direction color representation threshold dip angle...

... geotechnical “model” of the site, which is used to justify both short-term and long-term safety and economic decisions. Artificial Intelligence Reservoir Characterization time window evaluation real time system information fusion intersection geometry Upstream Oil & Gas hazard index...

... are related to discontinuities, such as orientation, spacing, frequency, size, aperture, filling width, termination index, or the georeferenced position, as well as the rock surface geometry (Priest 1993). solid waste management orientation Upstream Oil & Gas tunnel face characterisation...

... characterized - Truncation: discontinuities smaller than a certain size are neglected metals & mining rock slope characterization occlusion Reservoir Characterization resolution civil rights & constitutional law rock slope discontinuity Upstream Oil & Gas orientation bias Laser...

... of classical continuum theory which neglects the effects of micro moments on equilibrium of the system. In Section 2, the basics of the equivalent continuum approach, its mathematical basis and finite element (FE) formulation are discussed. Upstream Oil & Gas Cosserat model Reservoir...

... jointed rock mass Upstream Oil & Gas Rock Mech Simulation rock mass strength joint persistence rock bridge 1 INTRODUCTION To provide a practical tool to estimate the rock mass strength for use with the Hoek-Brown failure crite- rion (Hoek & Brown 1980, 1988, Hoek et al. 2002), the GSI system...

... undergone by the rock mass under the conditions typical of deep block caved orebodies. Upstream Oil & Gas energy content seismic event orientation microseismic event excavation hydraulic fracturing fracture mode dominant structure point method bond break Reservoir Characterization...

... ratio of the crack. compressibility initial aspect ratio aspect ratio Reservoir Characterization orientation contribution compressive stress Upstream Oil & Gas crack face axial load uniaxial compression crack model compliance Walsh expression traction structural geology crack...

.... It will then give an overview of the SSR method and show how the approach can be used with any FE program. Upstream Oil & Gas mechanism hammah discontinuity Strength Reduction total displacement fe-ssr method displacement contour rock mass blocky rock slope blocky rock mass fe-ssr analysis...

... borehole maximum horizontal stress Upstream Oil & Gas stress component case study underground rock structure stress measurement horizontal stress horizontal stress component initial rock stress state 1 INTRODUCTION Rock stress measurement and its estimation has been regarded as one...

... Upstream Oil & Gas elasticity compressive strength permanent deformation hammer blow deformation structural geology Wakkanai Formation borehole deformation rock mass classification Japan 1 INTRODUCTION Rock mass classification has been used for characte- rizing rock masses in designing...

... in tunnels, and roof failure of tunnels and caverns. Engineering specimen creep Reservoir Characterization rock foundation Burger sandstone sample structural geology time-dependant behavior secondary creep regime constant stress numerical modeling Upstream Oil & Gas laboratory creep...

... for the analysis and assessment of block stability. The mapping of outcrops and drill cores is the traditional method for the determination of relevant discontinuity data. finite block outcrop plane geometry Upstream Oil & Gas displacement rock face evaluation Artificial Intelligence...

... geomechanics ultrasonic velocity laboratory uniaxial compressive strength Upstream Oil & Gas physical property specimen pyrite content Reservoir Characterization quick absorption ratio uc value evaluation reduction oxidation rupture pattern pyrite rock specimen mechanical property...

... warning systems. This paper considers this behavior as a precursory signal prior to slope failure. Reservoir Characterization strain accumulation rock face creep Artificial Intelligence terrestrial laser cliff face rockfall rockfall activity slope failure Upstream Oil & Gas precursor...

... mechanical properties, virtual rock samples were modeled and virtual drilling and cutting tests were performed. structural geology strength shear failure fracture pattern drilling process compressive strength Upstream Oil & Gas rock material rock sample dip angle fragmentation disc...

... spatial process. 2.1 Preferential vug porosity at fracture intersections Solution enhanced porosity at fracture intersections can be very significant for flow through carbonate rocks, as well as fluid storage within the rock. Artificial Intelligence Upstream Oil & Gas aperture complex...