an Entity references as follows:
The Ioana gas field natural gas field located on the continental shelf of the Black Sea. It was discovered in 2010 and developed by . It began production in 2015 and produces natural gas and condensates. The total proven reserves of the Ioana gas field are around 653 billion cubic feet (18.7 km³), and production is around 110 million cubic feet/day (3.1×106m³) in 2015.