The Ain Tsila gas field is a natural gas field located in the Illizi Province. It was discovered in 2012 and developed by Petroceltic International. Production is expected to begin in 2020-21 and will produce natural gas and condensates. The total proven reserves of the Ain Tsila gas field are around 10.1 trillion cubic feet (289 billion m<sup>3</sup>), although there is no acquired well test data to support this figure. Production is slated to be around 350 million cubic feet/day (10ÃÂ10<sup>5</sup>m<sup>3</sup>).