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| Company type | State-owned enterprise |
|---|---|
| Industry | Oil and gas |
| Founded | 1971 |
| Headquarters | Ahvaz,Iran |
Key people | Alireza Daneshi(CEO)[1] |
| Products | Oil,natural gas andliquefied gases |
| Owner | National Iranian Oil Company |
Number of employees | 19,000(2012)[citation needed] |
| Website | www |
TheNational Iranian South Oilfields Company (NISOC) (Persian:شرکت ملی مناطق نفتخیز جنوب ایران,Shirkat-e Mily-e Minatâq-e Nuftxiz-e Jinvâb-e Iran) is agovernment-owned corporation under the direction of theMinistry of Petroleum of Iran, and operates as a subsidiary ofNational Iranian Oil Company.
NISOC was incorporated in 1971 inMasjed Soleyman,Khouzestan asOil Service Company of Iran (OSCO).[2][3] Currently NISOC isIran's biggest oil producer, and produces 3 million barrels of oil per day. The company is active in a land area more than 400,000 km2 with headquarters inAhvaz. NISOC is producing about 83% of all crude oil and 17% of natural gas produced in Iran[4] and ranks as the Iran's biggest oil company.[5]
National Iranian South Oilfields Company, through its subsidiaries, produces crude oil, gas, andliquefied gases. The company's reserves portfolio includeAhvaz Field (the world's 3rd largest oil field) and in charge of onshore giant oilfields in Iran (likeGachsaran,Maroun,Bibi Hakimeh,RagSefid andAghajari) and focuses on onshoreupstream activity in the province ofKhuzestan,Kohgiluyeh and Boyer-Ahmad,Bushehr andIlam.[6] As Khuzestan is the main oil- and gas-producing province, this entity is among the most significant in the NIOC subsidiaries.[7]
TheAghajari oil field is aniranianoil field located inKhuzestan Province. It was discovered byAnglo-Persian Oil Company in 1938 and developed byNational Iranian Oil Company.[8] It began production in 1940 and producesoil. The totalproven reserves of the Aghajari oil field are around 30 billion barrels (3758 million tonnes), and production is centered on 170,000 barrels per day (27,000 m3/d).[9] The field is owned by state-ownedNational Iranian Oil Company (NIOC) and operated by NISOC.[10]
TheAghajari Gas Injection Project is the world’s biggestenhanced oil recovery project inaugurated in Iran in late 2008, aiming at boosting production from the aging Aghajari oil field. The reservoir dimension ofAghajari fields is 56×6 km with the original oil-in-place of 28 billion barrels (4.5×109 m3) and 10.2 billion barrels of recoverable oil (based on latest studies). The total quantities extracted since the start of operations at Aghajari till this date have been 8.8 bn barrels.[11]
However, production has been on the decline because of loss of pressure and oil extraction, so that current output is 180,000 barrels (29,000 m3) a day.
With injection of 3.6 billion cubic feet (100,000,000 m3) of gas per day (20 trillion cubic feet (570 km3) of gas in total) from the south pars field and subsequent buildup of pressure, an additional quantity of 1.2 billion barrels (190,000,000 m3) of oil will be produced. It is also estimated that daily crude oil output of the field will increase to 300,000 barrels per day (48,000 m3/d).[11]
Project consists of three main parts;
Development of South Pars phases 6, 7 and 8.
The 504-km long, 56-inch pipeline for transfer of sour gas from the South Pars gas field phases 6,7 and 8 to be injected to Aghajari oilfield.
Installation of a gas-compression station, drilling of 19 new wells, work over of 3 existing wells for gas injection, installing pipelines on 2 existing gas injecting wells.[11]
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