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P623 ANALOGUE MODELLING OF THE PERMIAN CUTLER SST PROBLEMS AND SOLUTIONS Abstract 1 This paper investigates the possibilities and impossibilities of analogue modelling. The conclusions are based on a long experience in various areas and fields. This paper only discusses the analogue modelling of aeolian and fluvial sandstones of the Permian Cutler Formation in Utah (USA) as an analogue for the Rotliegend gas fields in NW Europe. Both geometrical and petrophysical data were measured and analysed. It appears that careful geometry measurements are very useful for reservoir modelling. Porosity and permeability measurements from outcrops need to be processed extensively to