G018 Iso-frame Modelling of Valdemar field Marly Chalk and Calcareous Shale Introduction 120 100 80 60 40 20 1 Iso-frame modelling is an effective medium method for modelling elastic moduli of porous sediments (Fabricius 2003). It is based on Modified Upper Hashin Shtrikman Bounds as introduced by Nur et al. (1998) but involves an assignment of the iso-frame value IF. IF indicates (on a scale from 0 to 1) to which extend the solids are part of the load-supporting frame of the sediment. The remaining solid is regarded as in suspension in the pore fluid (Figure 1). In this paper


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