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Keywords: tensor
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1607
... metals, and also a dilational response (expansion as grains shear against one another) characteristic of granular materials, i.e., rock. Only the Munson-Dawson model addresses dilation but the corresponding state variable is a scalar. Anisotropy requires, at a minimum, a second-order tensor state...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0138
... with the existing methods and experimental data, the velocities are always slightly overestimated; the origin of this bias is tentatively studied. flow in porous media calculation shear wave well logging Simulation tensor Reservoir Characterization Upstream Oil & Gas wave velocity porosity...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0125
... property casing and cementing tensor coefficient flow in porous media Fluid Dynamics porosity fraction homogenization poroelastic parameter hydration Skempton coefficient agofack cement formulation Upstream Oil & Gas zaoui cemconre cement paste Microstructure cement chemistry...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0072
... in salt rock. It is indicated that deformation stability and control theory proposes a more effective stability evaluation criteria of gas storage caverns in salt rock. Upstream Oil & Gas tensor gas storage gas storage cavern international journal Artificial Intelligence reinforcement...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0516
... the effect of pore fluid pressure on the mechanical response of porous earth materials. In this work, a methodology is developed and applied to obtain the stress dependent Biot’s tensor for a transversely isotropic shale (the Mancos shale) using both static and dynamic methods with three plugs (a vertical...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1583
... solution at contacting asperities within fractures. Therefore, it is concluded that pressure solution within the fractures has significant impact on the damage of rock masses in EDZ area by cavity excavation. Upstream Oil & Gas pressure solution hydraulic fracturing tensor tensile...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1923
... Characterization hydraulic fracturing strength complex reservoir natural fracture hydraulic fracture network description vector orientation new acoustic emission parameter clvd University tensor fracture network bedding plane Upstream Oil & Gas mechanism shear-tensile crack model fracture 1...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2205
... Reservoir Characterization Upstream Oil & Gas wedge stability wedge analysis mass failure identification reservoir geomechanics strength tensor assumption discrete fracture network rock wedge major facility equation rock mass fracture compound wedge 1. INTRODUCTION Rock Wedge...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-503
... hydraulic conductivity post-fracturing analysis Reservoir Characterization conductivity Upstream Oil & Gas tensor hydraulically plastic strain derivative curve sarvaramini fracture deformation injection bilinear flow period permeability evolution Waterloo 1. INTRODUCTION Development...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1170
... of self-similar rough-rough interfaces at any scale. McLaskey sensitivity mechanism tensor glaser Upstream Oil & Gas point source experiment Geophy algorithm subfault rupture finite source inversion Reservoir Characterization source inversion micro-asperity rupture source...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-686
... Intelligence tensor workflow coordinate system Reservoir Characterization reservoir geomechanics transversely isotropic characteristic equation Upstream Oil & Gas borehole stress calculation plane stress Calculation transversely isotropic formation Amadei solution borehole axis calculation...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-587
... of AE clusters and their source mechanisms using the moment tensor inversion method. The AE signals were detected up to a frequency of 500 kHz using an array of 12 AE wide-band sensors, which was glued to the surface of the specimen. During the experiment (duration 5 hours) about 70,400 events were...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-770
... in deformable fractured porous media are then derived. Finally, current limitations and possible further extensions of the model are discussed. flow in porous media fractured porous media fractured rock Upstream Oil & Gas tensor Fluid Dynamics formulation anisotropic poroelastoplastic...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0568
... grain centroids. It is found that sample deformation is mostly due to grain rearrangement and that upon consolidation, grains become less convex, and elongate in the direction perpendicular to the loading axis. Four fabric tensors were calculated to assess microstructure anisotropy induced by grain...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-1050
... system is subjected to the same strain tensor while their stress tensors are superposed. The spherical phase is similar to the previous microplane models for concrete and isotropic rock. The cylindrical phase, which is what creates the transverse isotropy, involves only microplanes that are normal...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0350
... Upstream Oil & Gas approximation boundary condition Lee reservoir geomechanics tensile failure Simulation tensor complex reservoir drucker-prager plasticity model particle vein interface coupling fracture propagation equation discontinuity fracture interaction 1. INTRODUCTION...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-202
... of the pressure dissolution on the change in the rock permeability was examined intensively. flow in porous media precipitation porosity radioactive waste prediction Fluid Dynamics pressure solution Upstream Oil & Gas tensor rock permeability excavation pressure dissolution permeability...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-175
... fracture node matrix Reservoir Characterization complex reservoir modeling discontinuity seismicity poromechanical modeling formulation equation gradient Artificial Intelligence fracture characterization tensor excess fluid pressure stochastic discrete fracture network fracture...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-128
... representative elementary volume (REV) can be larger. log analysis reservoir geomechanics Reservoir Characterization Upstream Oil & Gas comparison body tensor constituent neural network axial stress effective medium theory atmospheric pressure Artificial Intelligence approximation wave...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-222
... with a finite element model fed with local data coming from data such as in situ measurements of the stress tensor (leak-off tests, log data…). This method guarantees the stability of the initial stress field with the regional stresses thanks to modeling with a finite element (FE) software. The inversion...

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