Ras Tanura Refinery Diesel Hydrotreater Complex (DHT), Ras Tanura

Industrial & Mechanical

Saudi Aramco/Samsung



Nesma & Partners was the Main Subcontractor to SAMSUNG for the total construction of this project. The planned Hydrotreater complex was aimed to reduce the sulphur content in the diesel produced at the 550000-bpd refinery. This was achieved by saturating the aromatic rings and removing almost all the sulphur and nitrogen compounds in the diesel to as low as 0.05 per cent. 


Nesma’s scope of work (SOW) included construction of the complete plant including but not limited to all Civil and Infrastructure works, Heavy foundations, Buildings, Structural steel erection, Mechanical / equipment erection, Heavy lift, Electrical, Instrumentation, Painting, Insulation, procurement of all civil and building materials and all consumables required for the project including assistance to testing, balancing,  pre-commissioning and final commissioning.