Evaluation of a modeling framework capturing the evolution of permeability in crushable granular solids

S. Esna Ashari, A. Das, G. Buscarnera

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

This paper discusses a continuum approach to track the evolution of permeability in granular materials subjected to high-pressure compaction and grain breakage. To cope with a range of loading configurations and account for changes in grain size distribution, the Breakage Mechanics theory is used. In addition, the model predictions are linked to a Kozeny equation to evaluate the drop of hydraulic conductivity resulting from the simultaneous loss of porosity and growth of surface area. Compression/flow experiments available in the literature for different granular media are used, with the goal to validate the selected methodology for solids mimicking poorly consolidated reservoir rocks. A good agreement between model predictions and experiments is found, thus stressing the benefits of adopting microstructure-based constitutive laws for hydro-mechanical analyses of coupled geomechanical problems.

Original languageEnglish (US)
Title of host publication50th US Rock Mechanics / Geomechanics Symposium 2016
PublisherAmerican Rock Mechanics Association (ARMA)
Pages1661-1666
Number of pages6
ISBN (Electronic)9781510828025
StatePublished - Jan 1 2016
Event50th US Rock Mechanics / Geomechanics Symposium 2016 - Houston, United States
Duration: Jun 26 2016Jun 29 2016

Publication series

Name50th US Rock Mechanics / Geomechanics Symposium 2016
Volume2

Other

Other50th US Rock Mechanics / Geomechanics Symposium 2016
CountryUnited States
CityHouston
Period6/26/166/29/16

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

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