High quality crudes and associated gas are produced from the offshore Maydan Mahzam and Bul Hanine fields, which began production in 1965 and 1972 respectively.

Qatar Petroleum (QP) operates two offshore production stations on these fields, PS-2 and PS-3. Both PS-2 and PS-3 platform produce crude oil, associated gas and condensate. Oil with condensate is piped to Halul Island for storage and export. Gas is primarily used to assist in lifting the oil from reservoirs, utilised as production station and Halul fuel gas and feed to Mesaieed NGL facilities.

Mannai Energy was awarded the Qatar Petroleum (Offshore) contract for maintenance support services for HVAC, refrigeration equipment at QP Offshore Locations. Mannai Energy provides all aspects of services associated with management, operations and maintenance services.