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Keywords: mechanical behavior
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1923
... particle reservoir characterization upstream oil & gas tunnel boundary hydraulic fracturing displacement displacement zone high dip angle synthetic rock mass dip angle right sidewall rock mass displacement distribution reservoir simulation sidewall mechanical behavior crown tunnel...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1848
... of the evolution of properties with plastic strains. Additionally, TWC (Thick-Walled Cylinder) tests are performed over hollow cylinder samples to determine the TWC parameter. This parameter is useful for sand production modeling and validation of samples' mechanical behavior to anticipate the expected sand...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2046
... is first identified through microscopic observations at different scales. It is found that in view of determining the macroscopic mechanical behavior, three representative scales should be taken into account. Based on this microstructure description, we have proposed a three-step nonlinear homogenization...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1711
... permanent AE measurements of microcracking in parts of the mine, often in areas of special interest. A major task in underground storage like repositories for nuclear waste and deep mines is the safety assessment. acoustic emission projection moriya mechanical behavior Reservoir Characterization...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1981
... porosity, microstructure and strength of mineral phases determines changes in mechanical behavior, in particular the formation of stronger mineral phases with higher density affect Young's modulus, failure strength and residual strength. Deformation of the cement is more brittle at low confining pressures...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2882
... on the mechanical behavior and the damage mechanics of BST is investigated. Results reveal a strong influence of the applied CP on the strength of the material; where BST switches from brittle to ductile due to the presence of the CP. Damage controlled tests are exploited to quantify the evolution of plasticity...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1357
... ABSTRACT ABSTRACT: In order to investigate the influence of joint geometric parameters on the mechanical behaviors of jointed rock masses, the compression shear test was carried out. The joint dip angle and joint overlap were varied to alter the relative positions of parallel joints...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-463
... compression test different stress path compression test mechanical behavior confinement stress stress path strain behavior triaxial test 1. INTRODUCTION Hydrocarbon reservoirs are subjected to different stress path during its productive life (Dusseault, 2011; Uribe- Patiño et al., 2017). Depending...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-467
... be applied to predict formation response and assess well integrity under hydraulic fracturing. hydraulic fracturing Wellbore Design reservoir geomechanics Directional Drilling Engineering wellbore integrity mechanism pore pressure formation response mechanical behavior fracture propagation...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-713
.... Then, the model of postpeak stress-strain relationship was build finally. By using test data of marble under s 3 =10MPa, the model has been validated in a calculation case. The result shows that the model is suitable to describe the post-peak strain softening mechanical behavior under different confining pressure...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-832
... ABSTRACT: Improved understanding of the mechanical behavior of shale is one of the important challenges in the geomechanics community as shale is often encountered in many energy and environmental engineering applications. A constitutive model, which is based on a combination of plasticity...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-841
... interface frictional fracture net pressure propagation mechanical behavior shear dd fracture dimensionless shear dd interaction 1. INTRODUCTION Hydraulic fracture (HF) height is a crucial issue in hydraulic fracturing [1-2]. Various factors, such as in-situ stress, Young s modulus formation...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-877
... deliverability mechanical behavior fracability biostrome interpretation indentation 1. INTRODUCTION The rapidly developing state of hydraulic fracturing technologies demand a high quality of quantitative assessment of target horizons for deliverability; where deliverability can vary depending on various...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0308
... Oil & Gas cyclic loading Fluid Dynamics consolidation volumetric strain synthetic salt-rock sample salt grain microcrack proceedings mechanical behavior Microcrack Network Development grain contact load axis axial strain boundary salt cavern 1. INTRODUCTION Salt-rock is a viable...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-086
... Abstract: Laboratory nanoindentation tests have indicated that kerogen demonstrates strain-softening, ductile mechanical behavior when subjected to tensile load. An implication of this observation is that kerogen can have non-negligible or very significant effects on initiation, opening...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-041
... their influence on the mechanical behavior of rock masses. Numerous studies using artificial material for a rock mass with limited joint sets have been carried out by Hayashi [1], Brown [2], Einstein et al. [3], Einstein and Hirschfeld [4], Ramamurthy and Arora [5], and Yang et al. [6] to investigate...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-261
... Abstract: Uniaxial consolidation of granular salt is carried out to study the mechanical behavior and fabric development in a material that deforms by microscopic brittle and intracrystalline-plastic processes. Dry granular salt is sieved to produce well-sorted size fractions. The granular...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-614
... uniaxial compressive test crack propagation mechanical behavior bimrock cov mechanical property reservoir characterization differential scheme wellbore integrity strength international journal simulation result upstream oil & gas rock mechanics variability wellbore design...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7036
... of the material. Constitutive models developed at the IfG, such as the visco-elasto-plastic model for the salt grains themselves and an adhesive frictional shear model for the interaction between the grains, are used to describe the mechanical behavior, while the hydraulic description of fluid percolation...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-6967
... and experimental data show that the proposed model is able to capture the main features of the mechanical behavior of the studied material. criterion clay matrix porosity micro-macro model COx argillite argillite compression test mineral inclusion Reservoir Characterization solid phase porous...

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