LONDON- Supply of the five North Sea crude oil grades underpinning the dated Brent benchmark will average about 813,000 barrels per day (bpd) in January, up from 755,000 bpd in December, loading programmes showed.

The January programme includes 4 cargoes deferred from December including three cargoes of Troll and one of Brent Blend.

Dated Brent is based on the Brent, Ekofisk, Oseberg, Forties and Troll crude streams.

(Reporting by Julia Payne; Editing by Alexander Smith) ((julia.payne@thomsonreuters.com; +44 207 542 1836;))