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Keywords: representation
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Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0357
... ABSTRACT: Geotechnical design criteria and geotechnical risk management processes are related to the representativeness and reliability of the geotechnical model. Developments in continuum and discontinuum approaches allowed a better representation of discontinuities, intact rock and failure...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0406
... displacement fluid ratio architecture k-means representation oil saturation rmse conference ARMA 24 0406 Geological feature extraction and data-driven production prediction based on well logging data Maoya Hsu, Zhengchao Ma, Shouceng Tian, Xiaoxia Zhou, Jiacheng Dai, Jintao Weng, Tianyu Wang...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0682
... consequences. In this study, we introduce a novel workflow for simulation of such processes, which employs a ‘dual-media’ representation of the modelled rock volume. In any numerical THMC model, a range of different couplings to geomechanical processes can feasibly be implemented. These include thermo...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0899
... to establish the load bearing zone within the ground in the vicinity of the opening. Fig. 1 shows a schematic representation of ground reaction curve, and it is often said that the optimization postulates the curve turning upward (Rabcewicz, 1969, JSCE, 2016). The abscissa is the relative radial displacement...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0876
... structure state is achieved through the integration of tunnel internal surface images and 3D point cloud information. Secondly, to address the specialized expert knowledge and experience in tunnel maintenance work, the study explores methods for knowledge representation, extraction, and integration...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0085
... engineers with sophisticated solutions to complex rock mechanics problems. This paper demonstrates different approaches to model joint sets in 3D Finite Element Method (FEM) to model discontinuities in jointed open pit mine. They include the explicit representation of discontinuities using Discrete Fracture...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1069
... ABSTRACT: The rock mass strength depends on a combination of non-persistent discontinuities and blocks of rock mass. Currently, the representation of the strength for slope stability analysis includes the joints sets (structural domains) with preferential orientations that generate unfavorable...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0310
... reaches de cap rock the salt it also must be considered its healing, which demands a viscoelasto-plastic constitutive model. The representation of this effect in a near-wellbore situation counts with temperature-dependent hydromechanical simulations, following, in general, the steps related below...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0795
... depth underground platinum mining case study reservoir characterization geological subdiscipline examine2d regional pillar aps representation lamodel design criteria application geomechanics symposium ARMA 23 0795 Numerical modeling application in the design of regional pillars...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0764
... geomechanics coefficient united states government reservoir characterization tensor geologist dependency compliance microcrack specimen rock type international journal capturing elastic property rock mechanic microcrack parameter voigt notation texture representation geological subdiscipline...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-2202
... platform web-based platform pratt visualization pacific northwest national laboratory exploration borehole upstream oil & gas application subsurface visualization experiment johnson geomechanics symposium representation human computer interaction interface software richland...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1626
... be generated in the field, with a reduced number of equivalent fractures. The theory for equivalent fracture representation was presented and validated in previous publications. The goal of the study is to quantify confidence in the results using generic data from Delaware and Midland plays and using a high...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1889
... upstream oil & gas sandstone structural geology high contrast lower value envelope implication reservoir characterization taner drilling event identification representation integrated analysis drilling operation information unconsolidated sand application well log lithology...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2039
... vertex Srinivasan classifier machine learning breakthrough curve DFN Artificial Intelligence Simulation fractured media discrete fracture network Transport Characteristic representation system reduction fracture backbone reduction full network hyman algorithm viswanathan precision...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2071
... & Gas stress shadow fracture half-length application horizontal well pressure response representation length direction fracture net pressure geometry height fracture volumetric stress shadow 1. INTRODUCTION As multi-well pad operations become more complex and the natural variability...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2031
... representation in an in-house finite element simulator. In order to represent the geomechanical behavior of the fractures, Mohr-Coulomb criterion is adopted together with a traction-separation law based on the model proposed by Bandis. Parallel plate law describes the longitudinal fluid flow along the fracture...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1731
... representation, fracture angles of the most possible fracture planes were formulated analytically which is closely related to rock burst intensity. For validation of the theoretical results, laboratory experiments and review of the in-situ studies on rock burst were carried out. By comparison, a good agreement...

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