Abstract

The article analyzes the process of geological modeling. The novelty of this article is in the fact that the topic of three-dimensional geological modeling using the methodology "IDEF0" has not yet been fully disclosed and has not been fixed at the legislative level. The authors show how promising it is to optimize the process of geological modeling. To build a geological models the software complexes are used during research (Petrel, Irap RMS, DV-Geo, Geoplat, JewelSuite, SKUA-GOCAD, Nedra, PanTerra and many others). The model of this process is constructed in the notation "IDEF0" and is decomposed into the first level, the input and output data for each stage are denoted, the program modules used at each stage are indicated. The function of the software complex "Irap RMS" was considered and detailed 3D geological models of the Jurassic deposits of one of the Tomsk region deposits were reconstructed. They consisted of a geometrical grid, cubes of lithology parameters, porosity, permeability, gas and oil saturation, saturation index, initial geological reserves.

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