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Keywords: porosity change
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1662
.... These outcomes will provide mutual benefit to both American and Israeli scientific communities. reservoir characterization israel upstream oil & gas structural geology nuclear waste disposal porosity change chalk hydrostatic compaction nuclear waste repository compaction temperature range...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-462
... temperature increase heating porosity change thermal expansion coefficient Symposium expansion effective confinement stress confinement stress permeability behavior increment reduction permeability 1. INTRODUCTION The effect of temperature in porous media properties has captured the attention...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-165
... was not affected, but significant porosity changes were predicted for low-consolidated fault gouges. Coupled chemical-flow modelling is preferred over chemical modelling as this showed significantly higher porosity increases. 1. INTRODUCTION Global emissions of carbon dioxide (CO 2 ) into the atmosphere...
Proceedings Papers

Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-035
... experiments are completed through the development and application of a porosity-based finite element hydro-mechanical model. In this hydromechanical model, the porosity changes with the volumetric strain and pore pressure. Because both elastic modulus and permeability are defined as a function of porosity...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-300
... of increased porosity did not extend beyond the tip, which was determined by the last observable intragranular microcrack. The porosity change that corresponded to the shear band was observed in areas with high densities of microcracking. Therefore, the localized porosity increase was related to the evolution...
Proceedings Papers

Paper presented at the The 31st U.S. Symposium on Rock Mechanics (USRMS), June 18–20, 1990
Paper Number: ARMA-90-0653
... with a displacement transducer (DCDT). The porosity change was polyolefine calculated from the ratio of the pore volume tubing change tO the initial bulk volume of the sample, sample with an uncertainty of +0.1%. The axial oad was measured with an external load cell with an accuracy of 1 kN. The displacement...

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