Gazpromneft issued a spot tender on Friday to sell a cargo of light sweet Novy Port crude oil loading from Murmansk port in September, traders said.
The producer is offering 100,000 tonnes of Novy Port crude oil loading from the RPK-Nord offshore terminal in the Murmansk port area on September 16-29, subject to weather conditions, traders added.
Tender participants are invited to offer premiums to dated Brent quotes on a CIF Rotterdam basis.
The tender closes on August 14 at 1200 London time (1100 GMT). Bids should be valid until 1800 London time (1700 GMT).
Novy Port is a light sweet crude oil grade produced in the Arctic Novoportovskoe oil field operated by Gazpromneft.
Novy Port's API gravity is around 35 degrees and it contains just 0.1 percent of sulphur.
Reporting by Olga Yagova