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Keywords: variability
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Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0527
... on the MCF fit parameters were used to quantify the power law variability for each slope over time (as additional monitoring periods are added) and with the sequential addition of rockfalls to the database. The results of this research include guidelines for minimum rock slope monitoring time and database...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0593
... miscible method clastic rock subsurface storage geologist gas injection method sandstone reservoir geomechanics sequestration variability interaction chemical flooding methods climate change efficiency experiment enhanced recovery geological subdiscipline permeability saline aquifer co 2...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0683
..., 2007; Bilgin et al., 2006; Pan et al., 2018; Rostami, 1997). wellbore design structural geology geologist bit selection reservoir characterization engineering reservoir geomechanics variability journal hydraulic fracturing geological subdiscipline international journal geometry...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0781
... geomechanics anisotropy indenter variability indentation radius characteristic mudstone hardness microscope reservoir characterization microscale dimension variation experiment electron microscope plane young ARMA 24 0781 Correlations between microscale dimensions and elastic anisotropy...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1062
... particle PFC3D models used to predict crack formation provided a close match to the experimental data, the variability observed with repeated physical tests on multiple samples was not captured in the numerical models, which provided a single solution (per test type) for the provided specimen geometries...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0950
... displacement underground reservoir characterization cov probabilistic analysis stability diameter air energy storage cavern stability social responsibility cavern cavern stability variability effect rock mech rock eng ARMA 24 950 Probabilistic Analysis of Compressed Air Energy Storage Cavern...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1009
... angles (MacDonald et al. 2023). complex reservoir geological subdiscipline shear strength geologist reservoir geomechanics displacement approach variability fracture approach permutation approach discontinuity shear displacement geology interpretation fracture franco franco...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0152
... ABSTRACT: The Stability Graph method is widely used to assess the stability of a stope. However, its traditional deterministic application overlooks the variability of the underlying rock mass parameters. By defining distribution functions for the rock mass parameters and running a Monte Carlo...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0147
... rock risk management proportion rock type frequency rockfall inventory geologist artificial intelligence inspector variability geology reservoir characterization rockfall frequency colorado discrepancy phillips frequency proportion rockfall magnitude-cumulative frequency estimation...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0565
.... rock type geological subdiscipline lsr method geology reservoir geomechanics sandstone ci value geologist reservoir characterization australia government mean ci value crack initiation granite ci stress interpretation cov diederich lajtai diederich method martin variability...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0641
... coordinate system upstream oil & gas hydraulic fracturing characteristic pressure vertical stress orientation variability stress parameter ARMA 23 641 Statistical approach to characterize stress field heterogeneity Jimenez Martinez, V.A. Ruhr-Universität Bochum, Bochum, Germany Renner, J. Ruhr...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0806
... a series of direct shear tests. Several sources of variability in direct shear test results are recognized by the geotechnical community (e.g., the inherent variability of shear strength in a rock mass, joint roughness), but the effect of variations in testing equipment, testing methods...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0286
... reservoir characterization plane borehole plane perpendicular variability geometry table 1 estimation orientation mining science artificial intelligence probe stereographic projection table procedure rock mechanic journal ARMA 22-286 Transient inverse analyses of overcoring data...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0685
..., the high resolution Posiva Flow Logging (PFL) tool allowed the interpretation of fracture-specific flow statistics and their correlation with structural properties, orientation and geological domain. This permitted characterization of inter-fracture variability. However, because of the hundreds of meters...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0749
... are discussed. The key parameters controlling the in-situ stress contrast regarding to the vertical stress are discussed. Although all these models need well data to calibrate the stress profiles, the stress contrast and the vertical variability of the horizontal stress profiles could be very different...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1299
..., ballistic cloth, and other chemically inert products that have advantageous properties. Our approach is to determine the chemical and mineralogical characteristics of mine and mineral processing (mill) tailings, which will allow determination of melt composition and variability possible to achieve desired...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1126
... criticality, has been proposed to represent the critical state of subsurface fractures. The fracture criticality is subjected to variability due to heterogeneous fracture attributes and rock properties. The statistics of fracture criticality could be applied to the probabilistic evaluation of fluid injection...

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