Greater Nile Petroleum Operating Company, the joint venture among Talisman (its interest acquired by ONGC Videsh Ltd. in 2003), CNPC, Petronas, and Sudapet to own and develop Blocks 1, 2, and 4 of Sudan's Muglad Basin oil fields. It also owns the pipeline connecting the GNPOC oil fields to the Red Sea and the port built on the Red Sea for oil supertankers.