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U.S. DEPARTMENT OF THE INTERIOR
U.S. GEOLOGICAL SURVEY



 
 
 

Petroleum Systems of the Po Basin Province of Northern Italy and the Northern Adriatic Sea: Porto Garibaldi (Biogenic), Meride/Riva di Solto (Thermal), and Marnoso Arenacea (Thermal)
by

Sandra J. Lindquist

 

Table 3.  Ultimate recoverable reserve allocation and average reser-
voir properties by reservoir age for all Po Basin reserves
 (data derived from Petroconsultants, 1996).

RESERVOIR
AGE		     % ULTIMATE
REC. RES.		     AVERAGE
POROSITY
(%)		     AVERAGE
PERMEABILITY
(md)		  
Unallocatable     8.69              
Unreported     0.22              
                     
                     
CENOZOIC - Quat     21.63     32     308  
Pleistocene (74 fields)                    
                     
CENOZOIC - Tert     56.58              
Pliocene (123 fields)     49.52     31     759  
Miocene (23 fields)     1.2     29     253  
Undif. Pl-M (10 fields)     4.29     31     502  
                     
Oligocene (3 fields)     0.08     ?     ?  
Eocene (3 fields)     0.06     ?     ?  
                     
Undif. Tert. (18 fields)     1.43     36*     2000*  
                     
                     
MESOZOIC     12.88              
Cretaceous (9 fields)     1.52     ?     ?  
Jurassic (2 fields)     0.44     ?     ?  
Triassic (5 fields)     10.24     13     ?  
Undif. (6 fields)     0.68     12     ?  
                     
                     
* data for 1 reservoir only                    


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U. S. Geological Survey Open-File Report 99-50M