document: Petrel has exercised a 2016 option over the shares in Palatine Energy, holder of application EPA-0127, Â 8,700 sq km onshore in the Coolcalalaya sub-basin (Perth Basin).
summary: Petrel has exercised a 2016 option over the shares in Palatine Energy, holder of application EPA-0127,  8,700 sq km onshore in the Coolcalalaya sub-basin (Perth Basin).