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Keywords: material model
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Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-269
... Simulation boundary horizontal sample stiff host reservoir geomechanics material model input parameter constituent elastic property ellipsoidal inclusion onset plastic strain anisotropy stiffness 1. INTRODUCTION The strength and deformability of shales are fundamental properties relevant...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-113
... requiring constitutive relations for the block interactions. (Cundall, 2001). Artificial Intelligence material model compression test reservoir simulation correlation boundary procedure CDM model Upstream Oil & Gas DEM simulation geometry Optimal Parameter rock mass DEM model complex...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-311
... integration material axis upstream oil & gas matrix wave propagation composite triangle orientation element method formulation material model deformation stress tensor matrix finite element material element finite-discrete element method london munjiza Abstract...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-349
..., with additives for expanding cement, is considerably higher than conventional cements and so there is a need to quantify the necessary cement properties to suit specific well-conditions. material model reservoir characterization deformation deviatoric stress nonlinear stress analysis failure mode...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-544
... ABSTRACT: The Eshelby like approach is used to successfully model the stress, strain and displacement fields associated with a depleting/inflating reservoir. A modified Cam-Clay material model is implemented as the constitutive equations for the reservoir material. The exterior...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-545
... ABSTRACT: In this paper we discuss the use of the Modified Cam-Clay material model applied to the problem of borehole stability. We consider the case of a thick walled cylinder (TWC), which is easily extended to a borehole by allowing the outer radius to go to large values. Three mechanisms...
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-10-304
... reservoir geomechanics drillstem/well testing fracture characterization Reservoir Characterization Upstream Oil & Gas Fault Activation criteria orientation pore pressure material model material property Drillstem Testing plasticity assumption stress path pressure depletion...
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-10-433
... Reservoir Characterization underbalanced drilling consolidation reservoir geomechanics Wellbore Design material dilation MPa material model borehole evaluation Modeling & Simulation Upstream Oil & Gas borehole displacement material yielding instability borehole wall...
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-01-0181
... reservoir simulations are coupled unidirectionally and applied as loads in 3d nonlinear finite element geomechanical simulations. Central to the numerical modeling is the use of sophisticated material models that accurately capture the nonlinear deformation behavior of the reservoir rock, including...
Proceedings Papers

Paper presented at the The 32nd U.S. Symposium on Rock Mechanics (USRMS), July 10–12, 1991
Paper Number: ARMA-91-549
... SURROUNDING THE DIRECT SHEAR TEST The direct shear box was first utilized by Alexandre Collin in the 1840's to aid in the analysis of slope stability problems (Skempton, 1949). material model normal stress plane stress Profile Upstream Oil & Gas strength horizontal displacement direct shear...
Proceedings Papers

Paper presented at the The 30th U.S. Symposium on Rock Mechanics (USRMS), June 19–22, 1989
Paper Number: ARMA-89-0689
..., 51, 52, 53 (horizontal mid-section), and 44, 45, 46, 47, 48 (bottom of the pillar). structural geology material model subsidence Artificial Intelligence node two-cavem storage system Reservoir Characterization time increment operation two-cavern system numerical modeling pillar...
Proceedings Papers

Paper presented at the The 28th U.S. Symposium on Rock Mechanics (USRMS), June 29–July 1, 1987
Paper Number: ARMA-87-0707
... properties for each mechanical unit. The loading histories investigated included' (a) gravity loading (effective horizontal stress as a function of depth is calculated) and (b) initialization to a horizontal stress followed by gravity loading. In all three material models the finite element analyses...

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