Aghajari Gas Injection Project

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Aghajari Gas Injection Project is the world’s biggest enhanced oil recovery) project to be inaugurated in Iran in late 2008.

The reservoir dimension of Aghajari 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.^[1]

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).^[1]

Project consists of three main parts;

• Upstream:

Development of South Pars phases 6, 7 and 8.

• Midstream:

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.

• Downstream:

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.^[1]