Petrobras (NYSE:PBR) cancels an order for five drill ships from Ocean Rig...

Petrobras (NYSE:PBR) cancels an order for five drill ships from Ocean Rig UDW (NASDAQ:ORIG), saying it needs to drill fewer wells in the Santos Basin than originally expected. PBR had agreed to lease five offshore drill rigs from ORIG for $548K/day as part of a $225B expansion plan aimed at tapping vast oil reserves recently discovered off Brazil's coast.