Invest News DetailOil & Gas Journal - Otto Energy Ltd., Perth, which expects to begin gas sales from western Türkiye's Edirne license area in the Thrace basin in mid-2009, said the license is estimated to contain a 8.5 bcf contingent resource in the six discoveries made to date and a further 15.7 bcf in undrilled structures. Incremental Petroleum Ltd. operates the project with 55% interest. Otto Energy has 35% and Turkish partner Petraco has 10%.