2002
DOI: 10.2516/ogst:2002035
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Particle Scale Reservoir Mechanics

Abstract: Résumé -Mécanique du réservoir à l'échelle des grains -Cet article résume quelques déve-loppements et applications de la modélisation par particules discrètes, basés sur le code commercial PFC (Particle Flow Code). Nous décrivons ci-après les exemples ayant un rapport avec le comportement géomécanique du réservoir : -Des résultats de simulations numériques et d'expériences sont présentés, illustrant une évolution nonlinéaire de la compaction induite par déplétion et du chemin de contrainte pour des simulations… Show more

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Cited by 51 publications
(30 citation statements)
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“…The basic version of PFC has been refined [13] in order to simulate various aspects of tests performed in the rock mechanics laboratory. For example, wave velocity measurements are normally done to probe the elastic behaviour of rocks.…”
Section: Refinements and Examples Of Applicationsmentioning
confidence: 99%
“…The basic version of PFC has been refined [13] in order to simulate various aspects of tests performed in the rock mechanics laboratory. For example, wave velocity measurements are normally done to probe the elastic behaviour of rocks.…”
Section: Refinements and Examples Of Applicationsmentioning
confidence: 99%
“…A relation was observed between the changes in shear stress and the received signal. Sub-systems of particles formed within the sample that interacted to generate vortex-like particle velocity patterns as has been observed in [12]. The particle velocities and representative particle mean stresses were linked; in general when the particle velocities were directed towards the centre of the sample the stress increased, and vice-versa.…”
Section: Discussionmentioning
confidence: 68%
“…The particles close to the right boundary of the sample have a horizontal velocity component directed away from the sample centre and a vertical component that is directed upwards. In the prior DEM simulations described by [12] a planar S-wave was input using a large body of particles as a transmitter. Particle velocity measurements also clearly showed a vortex-like pattern in the motion of the particles which were positioned further along the sample.…”
Section: Overview Of System Responsementioning
confidence: 99%
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“…Such a hydro-mechanical coupling in particle models has already been successfully performed on a small, core-size scale, in order to study stress-dependent permeabilities of reservoir rocks (Li and Holt 2002). Combining basin-scale fluid flow with the DE modelling techniques described above would bring a new dimension to basin modelling, as it would allow one to quantitatively consider, for example, undercompaction and overpressuring during basin evolution.…”
Section: Discussionmentioning
confidence: 98%