THE INCOMING Brent and Ninian pipeline systems at Sullom Voe Terminal have been shut down after a minor defect was found.
A spokesperson for terminal operator Enquest confirmed that there is no risk to people and no impact to the environment.
The pipeline systems are expected to be restarted on Sunday.
"On 1 May, during a routine visual inspection of the process pipework within the Sullom Voe Terminal, a minor defect was identified requiring immediate remedial work, which is underway," the spokesperson said on Thursday.
"With safety as our top priority, we carried out a controlled shutdown of the incoming Brent and Ninian pipeline systems. There is no risk to people and no impact to the environment.
"We have advised terminal users and will keep them regularly updated with progress."