The meeting comes as Russia continues to pump cheap crude oil into the global market. Tensions have risen as cheap Russian oil drives crude below a key break-even level for Saudi Arabia. "The OPEC+ meeting on June 4 should be pivotal," investor Louis Nevallier wrote in a note on Friday. Nevallier said that he expects a "very assertive" Saudi Arabia to show up to the meeting. The report said the country's budget needs international oil prices to stay above $81 a barrel.

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Persons: —, Louis Nevallier, ussia, Nevallier, there's, Brent Organizations: Service, Reuters Locations: Russia, Saudi Arabia, OPEC, Saudi, India, Riyadh, Ukraine