Brent System

The Brent System pipeline transports oil from the North Sea oilfields via Cormorant Alpha to the Sullom Voe Terminal in Shetland, Scotland.[1] Since 3 August 2009, it is operated by Abu Dhabi National Energy Company replacing the previous operator Royal Dutch Shell.[1][2] The Brent system is jointly owned by 21 companies.[1]

Brent System
Location
CountryScotland, United Kingdom
General directionnorth-south-west
FromNorth Sea oilfields
Passes throughCormorant Alpha
ToSullom Voe Terminal
General information
Typeoil
OperatorTAQA Bratani
Technical information
Length147 km (91 mi)
Maximum discharge100,000 bbl/d (16,000 m3/d)
Diameter36 in (914 mm)

Oil transportation system

Oil is transported from 20 oilfields, including:

Pipelines

The Cormorant A to Sullom Voe pipeline is 36 inches (910 mm) diameter steel (API 5L X60) of 147 kilometres (91 mi) in length. It has capacity of 100,000 barrels per day (16,000 m3/d).[1] The Brent C to Cormorant A pipeline is 30 inches (760 mm) in diameter and 35 kilometres (22 mi) long.

Other oil pipelines are:[3]

Brent system oil pipelines
Pipeline number From To Diameter (inches) Length (km)
PL001 Brent C Cormorant A 30 35.9
PL049 Brent A Brent Spar 16 2.8
PL048 Brent B Brent Spar 16 2.3
PL045 Brent B Brent C 24 4.6
PL046 Brent D Brent C 20 4.0
PL1955 Brent A Brent B 14 (flexible)

The specification for crude oil transported in the Brent system is as follows:[4]

Crude oil specification
Parameter Value
Entry point Cormorant A
Exit point Sullom Voe terminal
Crude oil Non-sour
Base sediment and water 5%
True vapour pressure at entry 115 psia @ 100°F
True vapour pressure at exit 220 psia @ 100°F
Hydrogen sulfide 25 mg/l
Carbon dioxide 251 mg/l

Production

Oil production from the Brent field from 1976 to 1983 was as follows (1000 barrels):[5]

Decommissioning

Shell UK Limited propose to decommission the Brent Field pipelines in the mid-2020s.[3]

References
  1. "Taqa takes Brent pipe reins". Upstream Online. NHST Media Group. 3 August 2009. Retrieved 6 August 2009.
  2. Christopher Johnson, Barbara Lewis (3 August 2009). "Abu Dhabi firm says becomes N. Sea Brent operator". Reuters. Archived from the original on 4 January 2013. Retrieved 6 August 2009.
  3. Shell UK Limited, Brent field pipelines decommissioning programme (2020)
  4. Taqa Brent System
  5. Oilfield Publications Limited (1985). The North Sea Platform Guide. Oilfield Publications Limited. p. 83.
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