The Rag Sefid oil field is an oil field located in Khuzestan Province, approximately 6 km in nearest distance from the Persian Gulf, southwest Iran. It was discovered in 1964 and developed by National Iranian Oil Company and began production in 1966. The total proven reserves of the Rag Sefid oil field are around 14,5 billion barrels, and production is centered on 180,000 barrels per day (29,000 m3/d). The field is owned by state-owned National Iranian Oil Company (NIOC) and operated by National Iranian South Oil Company (NISOC).