Fractal Approach,Analysis of Images and Diagenesis in Pore Space Evaluation |
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| Authors: | Grzegorz?Lesniak Email author" target="_blank">Piotr?SuchEmail author |
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| Institution: | (1) Department of Geology and Geochemistry, Oil & Gas Institute ul. Lubicz 25A, 31-503 Krakow, Poland |
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| Abstract: | Simple net model constructed by authors, facies analysis and compaction models, were applied to evaluate reservoir properties of sandstone facies of the Carpathian Flysch (the Istebna sandstones). The applied net model was built on the base of fractal approach proposed by Don Turcotte in 1977 and computer analysis of images. Laboratory measurements include porosity, density, permeability to nitrogen, mercury injection capillary pressure tests, and microscopic analysis of thin sections. D.W. Houseknecht's theory, proposed in 1987, was applied for compaction and cementation modeling. The residual saturation data were used to validate obtained results. Net model allows an evaluation of filtration properties of analyzed sandstones and to distinguish the classes of similarity of pore space. The extracted parameters of classes of similarity were correlated with facies scheme of the investigated geological structure. Influence of compaction and cementation on pore space parameters was discussed. |
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| Keywords: | Fractal approach computer analysis of images pore space net model mathematical modeling |
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