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Encyclopedia > Brent oilfield

The Brent oilfield is one of the most productive parts of Scotland's offshore oil assets, although now in steady decline. Royal motto: Nemo me impune lacessit (English: No one provokes me with impunity) Scotlands location within the United Kingdom Languages English, Gaelic, Scots Capital Edinburgh Largest city Glasgow First Minister Jack McConnell Area - Total - % water Ranked 2nd UK 78,782 km² 1. ...

Situated in the East Shetland Basin, the Brent is the archetype for many of the fields in the area, consisting of a tilted fault block exposing the eponymous Brent formation next to bounding faults which allowed migration from deeper adjacent "kitchen" areas where the Kimmeridge Clay Formation becomes fully mature and releases hydrocarbons. Unusually on a world-wide scale (but common in this basin), the seal or cap rock for the reservoir (which stops the hydrocarbons from migrating further towards the surface) is also the Kimmeridge Clay. The field supplies oil via the Brent System pipeline to the terminal at Sullom Voe, while gas is piped through the FLAGS pipeline ashore at St. Fergus on the north east coast of Scotland. Brent Oilfield File links The following pages link to this file: Brent oilfield Categories: User-created public domain images ... The East Shetland Basin is a major oil-producing area of the North Sea between Scotland and Norway. ... Kimmeridge is a small villiage in the Purbeck district of Dorset, England, situated on the English Channel coast. ... Hydrocarbons are refined at oil refineries and chemical plants In chemistry, a hydrocarbon is any chemical compound that consists only of the elements carbon (C) and hydrogen (H). ... The Brent System pipeline transports oil from the following platforms via Cormorant Alpha to Sullom Voe, Shetland. ... Sullom Voe is an inlet between North Mainland and Northmavine on Shetland in Scotland, and an oil terminal sited on its shore. ... French Tricolore flag A flag is a piece of cloth flown from a pole or mast, usually intended for signaling or identification. ... Fraserburgh is a town in Aberdeenshire, Scotland on the extreme North East corner. ... Royal motto: Nemo me impune lacessit (English: No one provokes me with impunity) Scotlands location within the United Kingdom Languages English, Gaelic, Scots Capital Edinburgh Largest city Glasgow First Minister Jack McConnell Area - Total - % water Ranked 2nd UK 78,782 km² 1. ...


The Brent field is exploited by 4 oil platforms in an irregular SSW-NNE line. The first in place was the concrete legged "Condeep" Brent Bravo in 1975, followed by the concrete legged Brent Delta, Brent Charlie and steel-jacket Brent-A (as of 2004, the platform still produces oil through a manifold all Brent Alpha fluids are produced across to Brent Bravo). A fifth installation, the floating Brent Spar served as a storage and tanker loading buoy and was installed early in the field's construction. The "spar" design of this installation lead to the name by which it became the best known of the Brent installations (outside the oil industry) - as the infamous "Brent Spar". An oil platform is a large structure used to house workers and machinery needed to drill and then produce oil and natural gas in the ocean. ... The Brent Spar oil storage buoy Brent Spar or Brent E, was an oil storage and tanker loading buoy in the Brent oilfield, operated by Shell UK. With the completion of a pipeline connection to the oil terminal at Sullom Voe in Shetland, the storage facility had continued in use...


The field went through an upgrade in the mid 90s which unlocked significant quantities of gas from the reservoir.


Brent Field

  • Position - 186km (116 miles) north-east of Lerwick, Scotland
  • Block number - 211/29
  • Operator - Shell
  • Licensees - Shell/Esso
  • Discovery date - July 1971
  • Water depth - 140m (460ft)
  • Production start-up - Brent B - 11 November 1976 into storage, 13 December 1975 first tanker loaded
  • Reservoir depth - 2651m (8700ft) Brent, 2865m (9400ft) Statfjord (9000ft)
  • Production - Oil: Initially via Spar loading facility but from November 1979 via the Brent System to Sullom Voe.
  • Gas: Produced via FLAGS line to St Fergus.

French Tricolore flag A flag is a piece of cloth flown from a pole or mast, usually intended for signaling or identification. ...

See also


  Results from FactBites:
 
Brent Crude at AllExperts (227 words)
Brent Crude is one of the major classifications of oil consisting of Brent Crude, Brent Sweet Light Crude, Oseberg and Forties.
Brent Crude is sourced from the North Sea.
Brent blend is a light crude oil, though not as light as West Texas Intermediate (WTI).
Shetland Today: Shetland Times Online News Feature (836 words)
THE MASSIVE Brent oilfield 120 miles north-east of Shetland could be closed down or sold off under plans now being considered by oil giant Shell.
The Brent field, which came into production in 1976 and was once the most productive in the North Sea, currently produces 13,000 barrels of oil a day down from a peak of 380,000 barrels in 1986.
While the Brent pipeline was primarily built to bring Brent crude to Sullom Voe oil terminal most of the oil using the pipeline now comes from the Alwyn, Cormorant, Otter, Penguin and Tern fields.
  More results at FactBites »


 

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