MOSCOW, Dec 17 (Reuters) -
* Surgutneftegaz sold via spot tender 300,000 tonnes of ESPOBlend for loading in February at premiums of $4.10-4.50 a barrelto February Dubai swaps, traders said.
* The company offered three cargoes for loading on Feb. 1-5,5-10 and 7-14. The tender closed on Wednesday.
* The first cargo was likely sold at a premium of around$4.50 a barrel, while the latest were placed some 20-30 centslower.
* Shell and Unipec were named among the buyers of thesecargoes, but this couldn't be confirmed.
* Last week Trafigura sold 100,000 tonnes of ESPO Blend forloading on Jan. 29 - Feb. 1 at a premium of $5 a barrel toJanuary Dubai quotes. Traders say that if February pricing isused, the premium will be closer to $4.30 a barrel. (Reporting by Olga Yagova)