ISTANBUL (Turkey), May 16 (SeeNews) – Turkish integrated energy company Turcas Petrol [BIST:TRCAS] said its unit Turcas Rafineri Yatirimlari sold its 18.5% stake in the owner of the Star oil refinery project in western Turkey to Rafineri Holding, a wholly-owned unit of Azeri state-owned oil and gas firm SOCAR for $59.39 million (43.3 million euro).