METHOD FOR MODELING AND SIMULATING ON LARGE SCALE THE STIMULATION OF CARBONATE WELLS

摘要

- Method for modeling the acidification in a porous medium following the injection of an acid.- A double medium model is constructed, considering a first sub-environment conducive to dissolution breakthroughs, and a second sub-medium -milieu not conducive to breakthroughs of dissolution. For each of these sub-media, a metric-scale description is given of the acid transport, the conservation of the sub-mileu mass and the acid, and the acid transfer from a sub-medium. -milieu to the other sub-middle. This double-medium model is then initialized from experimental setups. Finally, thanks to this dual-medium model, the acidification of the medium is modeled. Application in particular to the exploitation of oil deposits.