Azeri–Chirag–Gunashli

Azeri–Chirag–Gunashli (often abbreviated as ACG) is a complex of oil fields in the Caspian Sea, about 120 kilometres (75 mi) off the coast of Azerbaijan. It is the largest offshore oilfield in Azerbaijan, operated by BP, which produces from ACG about 585,000 barrels (93,000 m3) of oil per day.

History

The Azeri–Chirag–Gunashli oil field was discovered in 1985. The production sharing agreement for its development was signed on 20 September 1994. The agreement was ratified by the Azerbaijan National Assembly on 2 December 1994 and went into effect on 12 December. The agreement covers the development of an area of 432.4 square kilometres (167.0 sq mi).

Geology

The ACG fields lie in the South Caspian Basin, off the coast of Azerbaijan, in water depths of 120 to 200 metres (390 to 660 ft). The reservoirs are located 2,000 to 3,500 metres (6,600 to 11,500 ft) below the sea floor. They consist of a series of stacked sandstone layers of Pliocene age. The oil is medium to light grade, with an API gravity of 27 to 34 degrees.

Development

The development of ACG is being carried out in several phases. The Chirag oil field has been producing since 1997. The Central Azeri platform started production in 2005, and the West Azeri platform in 2006. The East Azeri platform started production in late 2006. The Deepwater Gunashli section started production in April 2008.

Production

The ACG fields currently produce about 585,000 barrels (93,000 m3) of oil per day. The oil is transported to the Sangachal Terminal by two 30-inch (760 mm) oil pipelines. The terminal has a storage capacity of 2.2 million barrels (350,000 m3) of oil.

See also

• List of oil fields
• Economy of Azerbaijan
• Energy in Azerbaijan

References

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