The probe, due to spud in the last week of December, has Miocene, Eocene and Campanian rocks among its targets.
Kangaroo-1 has a "gross mean prospective resource" of 272 million barrels of oil, according to a DeGoyler MacNaughton estimate.
Karoon also said the commitment term for its Brazil blocks had been extended for 180 days to 12 November 2013 by Brazil's oil regulator, the ANP.
"The
