Brent System


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

Oil transportation system

Oil is transported from 20 oilfields, including:

Pipelines

The Cormorant A to Sullom Voe pipeline is diameter steel of in length. It has capacity of. The Brent C to Cormorant A pipeline is 30 inches in diameter and 35 kilometres long.
Other oil pipelines are:
Pipeline numberFromToDiameter Length
PL001Brent CCormorant A3035.9
PL049Brent ABrent Spar162.8
PL048Brent BBrent Spar162.3
PL045Brent BBrent C244.6
PL046Brent DBrent C204.0
PL1955Brent ABrent B14

The specification for crude oil transported in the Brent system is as follows:
ParameterValue
Entry pointCormorant A
Exit pointSullom Voe terminal
Crude oilNon-sour
Base sediment and water5%
True vapour pressure at entry115 psia @ 100 °F
True vapour pressure at exit220 psia @ 100 °F
Hydrogen sulfide25 mg/l
Carbon dioxide251 mg/l

Production

Oil production from the Brent field from 1976 to 1983 was as follows :

Decommissioning

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