Skip to content The first cargo from Chevron’s Gorgon LNG project on Barrow Island left for Japan in March 2016.Source: World Oil, First Gorgon LNG cargo sets sail for Japan The government initiated a review of the PRRT in November 2016, after PRRT revenue had declined markedly. Mike Callaghan AM PSM led it.Source: Senate Economics Committee, PRRT bill report... The Turnbull government announced a review of the PRRT on 30 November 2016, after collections fell sharply. Mike Callaghan’s report was released on 28 April 2017. It found the fall in revenue did not, in itself, show the community was being short-changed, and... 