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Communication dans un congrès
A particulate rock model to simulate thermo-mechanical cracks induced in the near well by su-percritical CO2 injection
Abstract : In order to study the thermo-mechanical effects induced by the injection of a fluid like CO2 in a host rock whose temperature is higher than those of the fluid, a DEM modeling has been imple-mented based on a "particulate" approach (Particle Flow code - PFC). The methodology devel-oped to build a particle rock model consistent with the rock petrophysical characteristics and the thermo-mechanical behavior is proposed in this paper. The three main steps are described: rock conceptualization (association of rock petrophysical and textural elements with numerical ob-jects), estimating geometrical and physical properties of the rock model from the petrographic characteristics, and finally mechanical and thermo-mechanical calibration. An example of a modeling of drilling mechanical effect and thermo-mechanical effects induced by injection of a cold fluid in a host rock is finally presented.
https://hal-brgm.archives-ouvertes.fr/hal-00609099
Contributeur : Mariane Peter-Borie <>
Soumis le : lundi 18 juillet 2011 - 11:26:41
Dernière modification le : lundi 30 novembre 2020 - 12:28:03
Contributeur : Mariane Peter-Borie <>
Soumis le : lundi 18 juillet 2011 - 11:26:41
Dernière modification le : lundi 30 novembre 2020 - 12:28:03