... on pillar behaviour and pillar strength. reservoir geomechanics pillar strength area shape stress value metals & mining Upstream Oil & Gas square pillar strength peak strength triangle pillar graph circular pillar Reservoir Characterization energy absorption capability...

... (pump turbines) must be located considerably below the downstream water level, also calls for the construction of large underground powerhouses at great depth, which often exceeds 500 m. reservoir geomechanics borehole excavation granite principal stress Reservoir Characterization...

... challenge. structural geology high geostress condition reservoir geomechanics Engineering metals & mining renewable energy underground powerhouse cavern cavern powerhouse excavation support method underground cavern Rock mechanics underground powerhouse rock mass Reservoir...

..., they are more prone to rockbursting. The amount of stored energy also determines the magnitude of the event. Upstream Oil & Gas Rock mechanics rockburst propensity reservoir geomechanics strength pure uhpc sample compressive strength Artificial Intelligence heterogeneity artificial sample...

... displacement rock support rock mass reservoir geomechanics Rock mechanics rock support design rock condition tunnel displacement rockbolt proceedings support system deformation safety Parameters required for the design of rock support in high-stress rock masses C.C. Li Department of Geoscience...

... crushing. While these are common occurrences on most mines using crush pillars, these factors have historically not been associated with poor pillar crushing or pillar seismicity. reservoir geomechanics dimension metals & mining siding Reservoir Characterization Malan du Plessis layout...

... reservoir geomechanics time-dependent limit equilibrium model hydraulic fracturing Malan equilibrium model time-dependent closure decrease decay Reservoir Characterization Upstream Oil & Gas Simulation convergence closure slope parameter Fracture Zone closure profile element size time...

... reservoir geomechanics borehole geometric shape ellipse axis Reservoir Characterization orientation borehole wall stereopair imaging technology The determination of crustal stress orientation based on the borehole geometric shape using panoramic stereopair imaging technology C. Wang, X. Zou, and Z...

... simplistic. Reservoir Characterization Wellbore Design criterion metals & mining Upstream Oil & Gas stability analysis reservoir geomechanics Engineering slope design discontinuity stability planar failure rock mass surface mining strength property wellbore integrity strength...

... the effects of geology, mining sequence and fill properties on the rockmass response to bore- and-fill mining. reservoir geomechanics hole 10 reef contact sequence breakout hole 17 sidewall geometry axis Upstream Oil & Gas material property breakout shape stress measurement fracture...

... always been a concern for economic and safety reasons. structural geology mapping paboase crown pillar evaluation metals & mining Thickness Carter open pit reservoir geomechanics crown pillar Stability Graph MPa Reservoir Characterization strength dolerite 2 stability Ghana...

... and provide support (Shea 1977). Reservoir Characterization land reclamation metals & mining reservoir geomechanics structural geology stope western stope safety factor strength parameter shaft Upstream Oil & Gas crown pillar buttress remediation US government strength grout...

... strength stability rock mass pillar layout Van der Merwe reservoir geomechanics lunder hanekom strength relationship pillar stress level deformation support pressure stress level Fundamental understanding of underground pillar design processes and methods J.W.L. Hanekom Middindi Consulting...

... trying to avoid a knee-jerk response of excessive conservativism. metals & mining footwall reservoir geomechanics pillar strength bord Reservoir Characterization Upstream Oil & Gas Thickness structural geology strength hedley evaluation pillar design hangingwall Orebody rock...

.... metals & mining orientation rock slope rock mass Artificial Intelligence British Columbia stability photograph hope slide Itasca Consulting Group reservoir geomechanics strength discontinuity data collection stead Reservoir Characterization Upstream Oil & Gas mapping aerial...

... length of 500 m. The North Lode has a strike length of 900 m. It strikes N-S and dips 70° to 75° towards the east. The average widths of South, North, and East lodes are about 24 m, 18 m, and 18 m respectively and tend to decrease with increasing depth. reservoir geomechanics rib pillar...

... and rejected from the critical path. classification Rock mechanics stability reservoir geomechanics Upstream Oil & Gas fractured zone wedge empirical approach storage cavern excavation installation Reservoir Characterization cavern failure zone operation vacuum pressure underground...

...; Huyakorn and Pinder, 1983; Elworth and Bai, 1992; Bai, Meng, and Roegiers, 1999) and by an alternatively conventional reservoir-geomechanics coupling model following Biot's theory (Biot, 1941; Duguid and Lee, 1977; Vallianppan and Khalili- Naghadeh, 1990; Khalili-Naghadh and Valianppan, 1996, 1997; Chen...

.... Understanding the reservoir geomechanical behaviour and the mechanical parameters that have a critical impact on hydraulic fracturing propagation facilitated improved decision-making in terms of fracturing design and optimization. Hydraulic fracturing simulation software was used to model the propagation...

... Reservoir Characterization stress model situ stress measurement reservoir geomechanics stress component borehole strain cell consistent database database strain relief measurement gauge measurement project Upstream Oil & Gas southern africa vertical stress component stress measurement...