International Geologiical Congress - Oslo 2008

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GEP-20 Outcrop studies: Fundamental to petroleum reservoir characterization and modeling

 

Poroperm signatures of Upper Cretaceous carbonate slope deposits

 

Gunnar Sælen, IRIS (Norway)
Atle J. Sande, University of Bergen (Norway)
Per Olav E. Svendsen, University of Bergen (Norway)
Ivar Grunnaleite, IRIS (Norway)
Niels Bo Jensen, IRIS (Norway)
Luigi Spalluto, Universita degli Studi di Bari (Italy)
Michael R. Talbot, University of Bergen (Norway)
Gaetano Osso, Studi & Ricerche Geologiche (Italy)
Nicola Paoli, Studi & Ricerche Geologiche (Italy)
 

 

Comparison of the poroperm signatures of selected Upper Cretaceous slope- and base-of-slope deposits outcropping in the Gargano Promontory (Italy) indicates that core-plug samples assigned to the Monte Saint Angelo Megabreccia on average have lower porosity and permeability values compared to core-plug samples from the modified grainflow deposits, turbidites and high-density turbidites of the Monte Acuto Fm. There is no apparent difference between the porosity and permeability signatures of clasts and matrix in the megabreccias, and grainstones pertaining to the Monte Acuto Fm. apparently make up a linear lnK-porosity trend with mudstones, rudstones and floatstones offset to higher porosity values. The poroperm signatures are subsequently explored with respect to depositional and diagenetic processes.

 

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