Sonatrach will operate the upcoming Hassi Messaoud III refinery, proposed to be built at Ouargla in Algeria. The non integrated refinery will be owned by Sonatrach and is expected to start operations in 2024.

Key processes of the refinery

Crude Distillation Unit (mbd): 110
Hydrocracker (mbd): 26
Reformer (mbd): 21
Hydrotreater (mbd): 43
Isomerization (mbd): 7

During the period 2021-2025, the Hassi Messaoud III refinery is expected to witness an estimated capex of $3,200m.

Contractors involved in the refinery

Some of the key contractors for the upcoming projects at the Hassi Messaoud III refinery include the following.

Design/FEED: John Wood Group.

Main EPC: Samsung Engineering, Tecnicas Reunidas.

About Sonatrach

Sonatrach SpA (Sonatrach) is an integrated oil and gas company. It carries out exploration, production, liquefaction, refining, marketing and maritime transportation of hydrocarbons and petroleum products. The company operates pipeline transport, storage, loading and unloading infrastructure network to transport crude oil; condensate, LPG, and natural gas. Sonatrach also carries out production and marketing of liquefied natural gas and by-products such as ethane propane butane and gasoline. It provides research, development, exploitation, and production of hydrocarbons. The company has operational presence in Europe, Africa, and South America. Sonatrach is headquartered in Algiers, Algeria.


Information on the refinery is sourced from GlobalData’s refinery database that provides detailed information on all active and upcoming, crude oil refineries and heavy oil upgraders globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.