"We are about to start. It will be before the end of the first quarter," Total Nigeria upstream manager Chukwuma Isaac was quoted as saying by Reuters.
Traders expect export volumes from Usan to be between four and five cargoes per month or between 130,000 barrels and 160,000 barrels per day.
The quality of Usan crude is expected to be heavier and higher in acidity than most other Nigerian crude, Reuters reported.
