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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0345
... ABSTRACT: A fracture network model provides a wealth of information concerning the characteristics of a rock mass, including fracture intensity, block size, and connectivity. This paper identifies methods to utilize information derived from DFN models. The fracture intensity of a DFN can be...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0358
... drawback of this method is that the information that is collected is post-event and cannot provide data about the dynamics of the rockfall events. IDS GeoRadar has recently developed an innovative radar system able to locate and track rockfalls in real-time, from a distance up to 2000 m from the slope by...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0467
... expected to agree with actual test data. The information of in situ stresses in whole the geometric model as well as main shale gas reservoir layers, and on the fault surfaces can be acquired. Case studies on Changning and Weiyuan regions, Sichuan Basin, southwest China, were conducted, and the in situ...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2069
... investigations into the influence of bedding upon fracture height growth. Reservoir Characterization Wolfcamp formation ryerson Upstream Oil & Gas natural fracture reservoir geomechanics Settgast information multiscale geomechanical analysis laboratory hydraulic fracturing Simulation...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2021
... information from the back analysis of the same stopes and using the software c. Reservoir Characterization Upstream Oil & Gas metals & mining stope knowledge management reservoir geomechanics classification orientation Mathew major geological fault information Stability Graph Method...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2878
... by lack of data. Recent technological advances enable the use of multiple sources of information, such as Earth Observation (EO), imagery analysis, real time monitoring, which can be combined with numerical analysis and machine learning techniques for monitoring, as well as forecasting the safety of...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0484
... blocks formed by the intersection of discontinuities in the section of interest, as well as to define kinematics of the blocks. Such information can provide mining operators control measures to evaluate, map and mitigate risks associated with rock falls in underground mines, ultimately improving safety...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1811
... budgeted, unexpected ore dilution at stopes and putting the workforce into risky conditions. These problems can be avoided due to the simple process of passing the right information, using a RQD block model, to the mine planning division, to program and manage better unexpected situations that can be...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1765
... design in the absence of a completed site investigation. Detailed design will be completed once the geotechnical investigation has finished. This paper will focus on how historical data were systematically collected and analyzed in a manually curated webviewer. Geotechnical information was plotted...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1791
... class machine learning classification accuracy ratio Upstream Oil & Gas accuracy variation identification characteristic input parameter topology classification accuracy characterization limestone lithological classification p-wave velocity Visualization dataset information self...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1727
... Artificial Intelligence heterogeneity prediction representation realization Engineering algorithm variogram assessment application rock mass Upstream Oil & Gas information empirical system spatial variability case study 1. INTRODUCTION The search for more robust and detailed techniques...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1885
... reservoir geomechanics Thickness information effective stress injection reservoir Reservoir Characterization pore pressure surface deformation numerical simulation rock layer displacement deformation reservoir model Simulation simulation result gas injection mechanical parameter 1...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-749
... be derived from the available geological information. Based on the Markovian prediction approach, probabilistic distribution profiles for each state of Q-parameters can be obtained. The main output, the probabilistic distribution of Q-value, can be obtained accordingly by integrating distributions of...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-667
... Cutter Wear tunnel cutter wear bit selection node cutter prediction hard rock tbm University information application penetration Bayesian network installation radius cutterhead thrust 1. INTRODUCTION Disc cutter is the core component for TBM (Tunnel Boring Machine) to break the rock...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-052
... Entropy principle (MaxEnt) based on available information. Then, to propagate uncertainty across different length scales the Monte Carlo simulation is carried out and consequently probabilistic descriptions of macro-scale properties are constructed. Furthermore, a global sensitivity analysis is carried...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-069
... hydraulic fracturing Fluid Dynamics stimulation flow in porous media geothermal reservoir information density imaging result fracture network Reservoir Characterization Upstream Oil & Gas acoustic emission AE event evolution correlation coefficient fracture complex reservoir...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-071
... ABSTRACT: In recent years, efforts dubbed “i-Construction” have been intensified to improve the productivity of construction sites in Japan, and various studies have considered related topics, such as actively utilizing information and communications technology (ICT). In the study described...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-147
... database with mining planning and seismic analysis. The database was created from the geological and geotechnical information gathered in borehole logs covering the time period of January 2000 to January 2017. The integrated geotechnical database and associated tools allow analysis of rock mass property...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-323
... one of the main shale reservoirs in North America. In the next step, we tried to show the high potential of Raman spectroscopy in reflecting geochemical and geomechanical properties of Organic matter through reflecting structural information from organic matter with high resolution. Upstream...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-106
... fracture information loading test fracture propagation principal stress ABSTRACT: Multistage triaxial confining tests provide a great amount of information regarding the medium’s response to external loading. Naturally fractured rocks are especially characterized by a nonlinear response to...

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