Rhourde El Baguel Oil Field (REB) is an oil field located in Ouargla Province, Algeria. It was discovered in 1963 by Edward Chittick under Sinclair International and developed by ARCO (now part of BP) and Sonatrach in 1996. API oil (40.2 Deg) is produced from a Cambrian formation at a depth of 9,850 feet (3,000 m).