The DAR PetroleumOperating Company Ltd is a consortium of oil exploration and production companies operating in the Republic of South Sudan with its headquarters in Juba. DAR Petroleum is composed of the China National Petroleum Corporation (CNPC) , Petronas of Malaysia, Nilepet, SINOPEC o, and Tri-Ocean Energy. DAR PetroleumOperating is currently engaged in oil exploration and production in blocks 3 and 7, which are oil concession areas located in the Melut Basin in Southern Sudan.