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Keywords: Magnitude
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Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0448
.... It is also a powerful tool, in that it can monitor ground motions over multiple orders of magnitude. For example, in the velocity domain, the sensors can measure ground motions from fractions of μm / s to tens of mm / s . The commonly used magnitude scales, which are logarithmic scales, typically extend...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0405
... the seismic signatures between this experiment and a sister experiment carried out under constant strain rate loading. Compared with loading under a constant strain rate, reactive loading to maintain a constant micro-seismic event rate increases the seismic b-value, decreases the maximum event magnitude...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0426
... circulating pressure. A time-dependent failure can occur in the vicinity of the borehole depending on the magnitude of gel strength and pump ramp-up speed. The study concludes that by ignoring the time-dependent characteristics of drilling fluids the magnitude of circulating pressures in early times can...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0497
... (i.e., a fracture cage). Post-mortem fluid patterns, decreasing microseismicity over time, calibrated seismic magnitude, high recovery of the injected fluid, and the stability of the fault system during high-rate high-pressure fluid injection prove that boundary wells can cage shear in faults. Thus...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0537
... slightly off vertical, and magnitudes are close to equal. 1. INTRODUCTION Strain measurements on recovered core hold their root in the formation of the rocks themselves. As rocks are formed and stressed with burial, the grains deform and are locked in place either through cementation or through...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0621
... ABSTRACT: Residual stress exists as a natural phenomenon found in situ and as a by-product of creation for certain man-made materials. An early implication for residual stresses was illustrated with Prince Rupert's drops where, due to induced compressive residual stress magnitudes the material...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0616
... assessment vale magnitude coleman geology reservoir characterization seismic risk management practice vale base metal requirement ARMA 24 616 Seismic Risk Management Practices at Vale s Sudbury Operations Yao, M., and Landry, D. Vale Base Metals Ltd., Sudbury, ON, Canada Copyright 2024 ARMA...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0603
... multiple lithologies, and including containment, injection, and producing zones. The presence of carbonates, including limestones and dolomites, is a better predictor of high fracture gradient than any other lithology. The least-stress magnitude in the salts is very close to the overburden stress...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0617
... behavior and damage evolution by quantifying non-elastic strain components of minor principal and maximum shear strain obtained by 2D-DIC. The correlation between strain-based damage magnitude and transmitted waveform parameters shows the ultrasonic wave parameters (amplitude, frequency, and velocity...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0599
... well drilling locations become very relevant (Kurtoglu and Salman 2015; Zhi et al. 2021 Chen et al. 2021). Pressure drops, stress magnitude changes, and stress orientation changes in infill zones should all be evaluated before infill well completion designs are made. If infill well fracturing...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0584
... to the reservoir-seal contact point correlates with maximum deformation magnitudes of 0.052 m, while the surface level (Z = 0 m) is subject to less significant deformation (0.01 m), indicating favorable reservoir stability. Aligning closely with previous 2D analyses, further parametric studies with real-world data...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0649
...-section algorithm frequency sinuosity energy algorithm magnitude mean absolute angle visualization ARMA 24 649 Visualization of Roughness Indices in AmplitudeFrequency Space from Wavy Simulated Profiles Gray, R. Bonneville Power Administration, Portland, OR, USA Hudyma, N.W. and Chittoori, B.C.S...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0693
... of fiber optics Distributed Acoustic Sensing (DAS) into numerical simulation models using a case study of saline aquifer in Hardeman Basin, allowing us to analyze strain changes during hydromechanical simulations. Our observations reveal that the magnitude of strain is influenced by multiple factors...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0774
.... The induced seismicity serves as proxy for the enhanced fracture network's spatial extent, but at the same time could pose a risk to nearby populations if the earthquakes' magnitude is large. To address this challenge, understanding the coupled physical processes generating fault reactivation and seismicity...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0813
... magnitudes of fluid pressure, P p , and critical pore fluid pressure, P crit , which is the magnitude of pore pressure above which Coulomb failure triggers seismicity. The scenario was based on three sets of observations and inferences associated with the 20-hour shutdown in December 2016 during which...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0760
... geomechanics benched pillar floor rock type karst cavity strength geologist pillar discontinuity perimeter pillar shear strength plane magnitude reduction international conference displacement magnitude study mining ARMA 24 0760 A Study of the Key Factors Associated with a Massive Pillar...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0064
... with variable features (Whittaker et al., 1989; Kratzsch, 1983). fluid dynamics subsidence reservoir geomechanics geology geologist geological subdiscipline magnitude prediction calculation equation boundary formulation distance engineering romero benitez correspond accuracy agioutantis...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0021
... integrity greensand co2 storage project feasibility reservoir geomechanics injection magnitude reactivation frigg sand reservoir ARMA 24 21 Geomechanical Analysis of Caprock Integrity and Fault Stability for Greensand CO2 Storage Project Feasibility Younessi, A. Baker Hughes, Perth, Australia...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0054
... excavation televiewer geological subdiscipline operator drilling operation reservoir characterization breakout assessment information ddh 001 mining mining science orientation magnitude seismicity international journal orebody rock mechanic ARMA 24 54 Proactive Identification of Adverse...

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