Brent oilfield
Brent is an oil field located about 180 km northeast of the Shetland Islands in the UK sector of the North Sea. Oil production in this field began in 1975. Known is the field for the used as the price of Brent crude Crude and for the buoyant oil tank Brent Spar, the 1995 occupied media attention before its planned sinking by Greenpeace activists.
The oil field is located about 50 % owned by Shell UK Ltd.. and Esso Exploration and Production UK. With a total funding of 320 million m3 in 1975, it is the second most productive oil field in the UK.
Location, geology and Name
The Brent oil field is located in the quadrant maps UK211/29, close to the Norwegian sector, which contains the known fields Statfjord and Gullfaks here. It is counted to the conveying region East Shetland Basin. The North Sea is at the place of promotion about 142 m deep. The deposits are in turn located 2651 m below the sea floor in a warp formation, which connect to the oil-bearing layers in the Kimmeridge clay.
The field name refers to the brent goose (English: Brant or Brent Goose ). It should also be noted that Shell has named its oil fields with each alphabetically consecutive names of seabirds, such as Auk, Brent, Cormorant, Dunlin and Eider.
History
The field was discovered in 1971. The first drilling platform in 1975 Brent Bravo was built in Condeep system. In subsequent years, four more platforms ( Brent A or Alpha, Charlie Brent, Brent delta) were built. Likewise, the storage tank Brent Spar was added and yet the plant Brent flare for flaring. 1979 a pipeline to the oil terminal in Sullom Voe was built that connects next to the Brent field, other fields with the coast. In 1994, the Brent Spar was decommissioned and dismantled after their event due to massive public protests, sinking from 1998 in Norway. Brent flare was decommissioned in 2005 and removed. In addition, massive renovation works worth £ 1.3 billion to the oil rigs were held in the 90s in order to operate the field through the promotion of natural gas to about the year 2010 can. The natural gas is transported through the FLAGS pipeline ( Far North Liquids and Associated Gas System ) to St Fergus.
Production
Production at the field has been added in November 1976 and reached its peak oil in 1984 with 24,799,028 m3. Prior to conversion in the 90's production dropped in 1990 briefly to 4,395,831 m3 from, but then increased again to a maximum of 13,705,132 m3. Since the mid- nineties, the oil production has been declining more and more. 2012, it had fallen to 59 749 m3. The Brent oil field is thus largely exploited.