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Keywords: validation
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0243
... well logging Correlation data prediction Poisson Bakken formation architecture ANN model elastic property correlation coefficient log analysis Upstream Oil & Gas altman plot node model 0 validation Standard Deviation 1. INTRODUCTION The economic conditions of the hydrocarbon...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0295
.... The solid model uses the Finite Element Method (FEM) with cohesive zone element. The validation was carried by comparison with analytical solution and experiment results. Then, fracturing performance of different capillary force were analyzed. The simulation results show that capillary force has...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0376
... fracture intensities due to the valid reason of insufficient data densities to define spatial correlations. This paper aims to demonstrate where input data densities are sufficient, the DFN validation measures and block size distributions generated by the geostatistical method are likely to be different...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0509
... predict ROP for any formation prior to drilling. A recurrent neural network was created to estimate the ROP based on some key drilling parameters and unconfined compressive strength (UCS). The data were divided into three sets; training, validation, and testing datasets. 70% of the data used for training...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2185
... Upstream Oil & Gas wave velocity porosity Reservoir Characterization attenuation vibration velocity Engineering wave test particle vibration velocity application field test seismic wave characteristic spot 1 validation mechanics cumulative damage construction propagation...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-905
... model with high performance using ANN has been also developed to estimate V S from measurable well logs. Comparison of the developed models with the literature is then presented. The validity of the proposed models was successfully checked with data from another field study. This study presents...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-583
... and how it leads to changes in rock mechanical properties. Pore-scale modeling by means of the Discrete Element Method (DEM) is used to perform the numerical simulations. The model is verified against the analytical Cavity Expansion Model (CEM) and validated against an experimental indentation test on...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-547
... Abstract The validation of numerical models of geomechanical processes relies on physical testing of these processes in a laboratory setting. However, due to their heterogeneous nature, test specimens of natural materials often show a wide range of geomechanical properties. In the last decade...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-488
... general geometry of a rock slope to be simulated. The rock mass contains joint segments derived from a user-specified Discrete Fracture Network (DFN). The code and the lattice approach are verified and validated for rock mass stability analysis by comparing the model predictions with analytical solutions...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-213
... stress intensity factor numerical simulation hydraulic fracturing standard 8-core pc experiment application boundary validation interaction Upstream Oil & Gas fracture Scenario detection Computation modality multi-modal approach Artificial Intelligence Simulation engine...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-189
... neural network compare with real results and their correlation has been validated. The results show that the proposed ANN methods could be applied as a new acceptable method for the prediction of UCS. By developing neural networks approaches with these input parameters, UCS can be determined in well...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-114
... learning neural network pore pressure gradient Reservoir Characterization application Upstream Oil & Gas training data validation Artificial Intelligence oilfield testing data reservoir geomechanics Formation Fracture Gradient prediction fracture gradient neural network approach Rock...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-116
... result in increasing the rate of production. Artificial Intelligence pore pressure downhole condition Completion Installation and Operations reservoir-related parameter application limestone neuron machine learning Upstream Oil & Gas Effectiveness validation axial pressure...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-273
... enhance the knowledge of the mechanics of the induced fracturing. The enhanced analysis of microseismicity recorded during the block-caving of a deep underground ore body is used to interpret the nature and geometry of the induced fracture network and serves as a primary validation tool of the Synthetic...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-527
... Intelligence machine learning Upstream Oil & Gas laser power artificial neural network application neural network penetration depth Completion Installation and Operations prediction neuron neural network approach validation Drilling Batarseh algorithm limestone correlation coefficient...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-041
... program. First the program is validated by comparing results from the literature and then a simulation of a 2D and 3D vertical salt wellbore is shown. This study, by contributing an important salt analysis to the drilling project, can help prevent workover operations due to salt mass deformation and thus...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-065
... parallel granite and marble columns toppled down in the same direction most probably due to an earthquake which struck the region in 749 AD (Figure 2). We begin with two novel validations of the numerical discrete element method used in this research (DDA) to test its adequacy for our purposes: 1) we test...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-050
... ABSTRACT: BS3D is an algorithm for analyzing the stability of single rock blocks of general shapes for general failure modes of simultaneous sliding and truly large rotation under all types of forces, including non conservative forces, such as water pressures. In order to validate BS3D with...
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-06-990
... is put on the algorithm for displacement evaluation based on the theory of curved beams, with validation in two and three-dimensional laboratory experiments, together with full-scale applications. memcot lining strain gage construction Artificial Intelligence steel representation...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-1327
... ABSTRACT : A new geomechanical modeling technique is presented in which the models can generate seismicity from induced cracks and fractures. Seismic source locations, magnitudes and mechanisms can be calculated presenting a unique possibility for model validation. The seismicity produced by...

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