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North Sea Crude-Ekofisk down on delivered deal, Brent up on bid

VIENNA, March 6 (Reuters) - North Sea Brent differentials rose on Friday on a higher bid by BP, while Ekofisk fell as Vitol bought a cargo from Total on a delivered basis to Rotterdam at a lower price than previous deals. * A three-year honeymoon between OPEC and Russia ended in acrimony on Friday after Moscow refused to support deeper oil cuts to cope with the outbreak of coronavirus and OPEC responded by removing all limits on its own production. Oil prices plunged 10% as the development revived fears of a repeat of the 2014 price crash. * Freight to Rotterdam from Ekofisk loadport Teesside was about 60 cents a barrel and from Forties loadport Hound Point about 74 cents a barrel, according to Reuters calculations. PLATTS WINDOW * Ekofisk: Total sold to Vitol on a cif Rotterdam basis at dated Brent plus $1.95 loading March 18-22. * Ekofisk: Total offered at dated Brent plus $2.40 loading March 26-30. * Brent: BP bid at dated Brent plus 50 cents loading March 28-April 7. * Forties: BP bid at dated Brent plus 30 cents loading March 28-April 7. * Forties: Total offered Forties cif Rotterdam at dated Brent plus $1.75 loading March 29-April 2. * Oseberg: Mercuria offered Oseberg at dated Brent plus $2.40 loading April 2-4. (Reporting by Julia Payne; Editing by Kirsten Donovan)