The supply of North Sea Ekofisk crude oil is expected to rise to a rate of 300,000 barrels per day in April.
The increase is from a revised rate of 232,000 barrels per day this month.
The estimated figures have been collated by trade sources.
The Ekofisk stream, will load a total of 15 cargoes, including 12 cargoes which had been originally scheduled for April.
As well as this were will be a further three cargoes which had been deferred from the March programme.
It will be the largest programme since December’s 329,000 barrels per day schedule.