- method of using hydrocarbons within a sedimentary basin by stratigraphic simulation coupled with a hydrological model and a diagenetic model. - a grid representation of the basin studied, comprising at least one mineralogical composition and porosity within each cell, is determined by means of a stratigraphic simulator for at least a period of time. thereafter, at least one hydrological zone is delimited using a hydrological model, and at least one chemical fluid composition and a direction of fluid circulation are determined in each cell located in the zone. at least the chemical composition of the fluids, the mineralogical composition and the porosity are then updated in each grid representation cell by means of a diagenetic model comprising a hydrological flow equilibrium established using at least the fluid circulation directions and from which A cell visit order is determined for the fluids and comprises a kinetic reaction model that models the interactions between the chemical composition of the fluids and the mineralogical composition in the cell. - application: particularly the exploration and use of oil.
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