حاسي مسعود
In 1984, and after a new administrative zoning, Hassi Messaoud became a municipality (a local district) with a local assembly. After that date people started populating the town independently. Sonatrach has imported ready-built houses, approximately 2000 units. Now Hassi Messaoud is a town with more than 60,000 inhabitants (non official source), without counting those living in the oil and gas company bases. The town contains several bases for the oil and gas companies, where Algerian and foreign people are working and living. As of 2008, Hassi Messaoud has an oil field with estimated reserves of 8 billion barrels, and the Hassi R ̓Mel gasfield has estimated reserves of 50 trillion cubic feet of gas and 2 billion barrels of crude oil.