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			    PetroTal ups reserves estimates for Bretana field in Peru
			    StockMarketWire.com
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			    Oil company PetroTal upgraded the reserves estimate for its key Bretana oil field in Peru.
  Proven, or 1P, reserves had risen 4% to 22.3 million barrels, according to a year-end reserve evaluation by Netherland, Sewell & Associates.
  Proven and probable, or 2P, reserves had risen 7% to 51.0 million barrels and proven, probable and possible, or 3P, reserves had risen 25% to 106.1 million barrels.
  The asset's net present value was calculated at $317 million for 1P reserves and $830 million for 2P reserves.
 
 
  
At 8:54am: (LON:PTAL)  share price was 0p at 8.5p 
  
Story provided by StockMarketWire.com
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