The Odeske gas field natural gas field located on the continental shelf of the Black Sea. It was discovered in 2009 and developed by Chornomornaftogaz in cooperation with the China National Offshore Oil Corporation. It started commercial production on 5 September 2012. The total proven reserves of the Odessa gas field are around 746 billion cubic feet (21.1×109 m3), and production is slated to be around 35 million cubic feet per day (990×103 m3/d) in 2015.