The joint venture between ExxonMobil and BHP dominates the Gippsland basin off south-east Australia, with just a smattering of other operators, writes Russell Searancke.

Cooper Energy has built a portfolio over the years comprising the Sole gas field in Vic/L32 which is due to come on stream imminently, and production licences over the Basker, Manta and Gummy gas and condensate discoveries.