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Keywords: contour
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Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0351
... opencv donghan yang china university proportion china university contour petroleum recall china xianzhi song tooth classifier precision yolo accuracy ARMA 22 351 PDC bit wear detection based on YOLO v5 and OpenCV Donghan Yang China university of petroleum (Beijing), Beijing, China Xianzhi...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1623
... and mechanism of wellbore instability using cavings are inclined to qualitative description and fragmentary. In this paper, we propose a new method for quantitative characterization of caving and a caving interpretation model based on image processing and machine learning. Firstly, caving contour is recognized...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1843
... upstream oil & gas metals & mining coalbed methane trajectory coal rock simulation production monitoring coal seam gas jet impingement contour horizontal cavity completion nozzle particle rotate jet impingement stagnation point equation reservoir surveillance complex reservoir...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1672
..., the traditionally deterministic model was more conservative than the spatial correlated random model. The model results showed that the spatial variance is a critical factor in roof stability analysis. Reservoir Characterization strength stress contour metals & mining material property variability...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1998
... geothermal reservoir Simulation US government explosion stimulation experiment standoff distance multiple energetic source laboratory hydraulic fracturing waterless stimulation contour geometry damage zone deformation parametric study strain rate PMMA Lawrence Livermore national laboratory...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0508
... fracture and on two horizontal slices of the simulation domain. On the slices, isobar lines highlight the contours in the stress field and its perturbation, due to the presence of the completed monitor fracture. In ultra-low permeability reservoirs, the pressure increase in the monitor fracture may...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1633
... of infill wells. Reservoir Characterization Upstream Oil & Gas isotropic point fracture propagation injection horizontal stress contrast Modeling & Simulation depletion reorientation angle stress field stress contrast hydraulic fracturing Reorientation contour parent well...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1178
... degradation andriani contour brittleness vertical cliff 1. INTRODUCTION The stability of soft rock cliffs can be treated nowadays by using advanced calculation techniques that are capable of simulating rock fragmentation processes owing to post-failure material brittleness. In particular, coupled...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-252
...-contour development are made for 2 kinds of scenarios of operations of steam injection plan: First one is for the case without further steam injection but only time increase; the second one is for the case with steam injection and intermission. For both cases, there are productions of oil/liquid at other...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0673
... space and makes a clear visualization of the analysis process of Block Theory. geological modeling Upstream Oil & Gas Pyramid geologic modeling Wellbore Design typical visualization result reservoir geomechanics friction angle contour joint plane vector intersection joint pyramid...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0096
... optimization reservoir geomechanics wellbore trajectory reservoir formation complex reservoir trajectory natural fracture workflow fracture tight formation stress field contour optimized trajectory equation CSF Rock mechanics geomechanics Symposium 1. Tig tig ess opt des et et traj fra (SR...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0097
... of major mechanical variables including stress, strain, and deformation along with temperature and pore pressure contour in a full process of SAGD. A set of numerical results, including contours of temperature, pore-pressure, etc. are presented for the purpose of model validation. The steam fingering...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-1042
... model that correlates well with the documented seismic magnitude. The method of analysis illustrated in this study may be useful in future studies concerning the potential for unstable pillar failure. 1. INTRODUCTION metals & mining southwest panel subsidence contour Reservoir...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-319
... horizontal stress field result in high shearing strains at pillar corners. The immediate roof strata in the N-S entry was subjected to high compressive strains of about 4 mm/m while low confining stress in the ribs resulted in high tensile strains. Contours of yielded zones in coal ribs extended 0.8 m (2.5...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-419
... temperature ramp backfill borehole Disposal laboratory-scale test heating contour borehole wall Reservoir Characterization factor-of-safety contour rock melt borehole rhyolite fracture shear failure canister recrystallized melt 1. INTRODUCTION Deep-borehole disposal has received increased...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-086
... for the overburden and seal rocks. structural geology Simulation reservoir geomechanics modeling Reservoir Characterization aperture Upstream Oil & Gas contour mechanical behavior kerogen tensile strength initiation implication nanoindentation test interface shale kerogen-rich shale...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-846
.... This study attempts to fill these voids in current research. reservoir characterization displacement intersection reduction curvature contour roof support plan intersection corner upstream oil & gas case ii tensile strain pillar metals & mining reinforcement tensile support plan...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-216
... is assumed to be the hydrostatic pressure. 2. Contour of pore pressure within the fault for Case 1, and 3. The contour of von Mises equivalent stress and displacement field of the whole model for the case 2. 4.1. Case 1: 1 = 25 Figs. 7 and 8 show the contour of activated plastic status index AC...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-425
... laboratory loading los alamo national laboratory contour explosive loading los alamo experiment Abstract We simulated the Defense Threat Reduction Agency (DTRA)-sponsored Jointed Limestone Test (JOLT) using the Abaqus fully coupled Euler-Lagrange computation scheme. JOLT was a small-scale...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7404
... method Eng dolbow penalty formulation contour Mech crack face fracture constraint penalty parameter Nitsche penalty method finite element method interface 1. INTRODUCTION The transient mechanical response of rock surfaces in contact is of prime importance in many engineering applications...

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