Algiers — Sonatrach and its Russian partner Gazprom EP International B.V. announced Wednesday the successful completion of the drilling operation of Rhourde Sayah North-1 (RSHN-1)exploration wells, located at El Assel perimeter (block 236b) in Berkin Basin. This well, which reached a final depth of 4,120 m in the Ordovician resulted in a discovery of oil […]