Multiscale Heterogeneities in Reservoir Geology and Petrophysical Properties
Heterogeneity is one of the most complex problems in subsurface formations, and it is ubiquitous in many geoscience disciplines. Fluid storage and flow in porous media are governed by a variety of geological and petrophysical variables, including structure, stratigraphy, facies, lithology, porosity, and permeability. These variables all contribute to subsurface heterogeneities and have different scales, often in a hierarchical scheme.
Although this book is more focused on quantitative analyses of geospatial properties, this chapter introduces several topics on descriptive and (semi)quantitative analyses of geological and petrophysical variables, mainly regarding their scales and heterogeneities. These will provide a foundation for more quantitative analysis in other chapters.
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