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Keywords: likelihood
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Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-2224
... characterization stimulation fracture orientation experiment 2 realization borehole tv4100 mpa friction coefficient upstream oil & gas north america government machine learning probability magnitude tensile summarize likelihood perpendicular ARMA 22 2224 EGS Stimulation Design...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1538
... of the published framework will not provide reliable shear strength parameters for design. Reservoir Characterization strength Upstream Oil & Gas reservoir geomechanics metals & mining bmac framework likelihood envelope simmons moisture condition failure envelope clast strength clast...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1823
... goals and to understand what benefits additional measurements could provide for improving decision making. hydraulic fracturing experiment 2 frash injection well Upstream Oil & Gas natural fracture complex reservoir fracture intersection geothermal reservoir orientation likelihood...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0969
... ABSTRACT: Revisiting the fundamentals of hydraulic fracturing theory has assisted in rebuilding a log-based methodology that estimates the likelihood of vertical fracture growth. The suggested method can be used as a quick screening tool to support landing zone decisions in unconventional...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-206
... Alejano plane entrance application metals & mining risk assessment Stockhausen likelihood Rofraq Rock Mech accident probability 1. INTRODUCTION Rockfalls are a relevant hazard in quarrying and open-pit mining, as well as in road with rock cuts, particularly in mountain areas...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-556
... shale gas seismic event upstream oil & gas injection seismicity fault reactivation likelihood reservoir characterization reactivation coefficient subsurface storage seismic magnitude co 2 injection-induced fault reactivation rupture area model simulation friction rutqvist...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-590
... the proposed candidates M 1 and M 2 , peak ground velocities with respect to d . machine learning Upstream Oil & Gas input parameter fault plane Artificial Intelligence Simulation modeling hypothesis Reservoir Characterization gmpe slip distribution Bayesian Inference likelihood...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-244
... Abaqus, the 3D state of stress for this model is obtained. The modelled stress state serves as a basis for the calculation of slip tendency and dilation tendency parameters, which describe the likelihood of the faults to slip or dilate respectively. The slip tendency results enable distinction between...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-282
... record metals & mining risk assessment likelihood geometry application Carter expression rockmass quality stability excavation guideline span Surface Crown Pillar probability 1. INTRODUCTION Problems from collapses of near-surface workings have plagued mining operations for years...
Proceedings Papers

Paper presented at the Golden Rocks 2006, The 41st U.S. Symposium on Rock Mechanics (USRMS), June 17–21, 2006
Paper Number: ARMA-06-1145
... the final stages of mining. It usually is done by double-benching at the bottom of the pit, allowing more ore to be exposed for mining at a cost much less than the expense of stripping. However, slope steepening increases the likelihood of slope failures, which can offset the expected gains, and also raises...
Proceedings Papers

Paper presented at the The 31st U.S. Symposium on Rock Mechanics (USRMS), June 18–20, 1990
Paper Number: ARMA-90-0261
... length may be severely biased (Einstein and Baecher, 1983). Biases exist also in samples from outcrops such as that of Figure la. A general method to correct for these biases is to obtain distribution parameter estimates by the method of maximum likelihood. 263 .. [] MIN '1 -.0 AVR _. A DATA -,o...

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