SINGAPORE- * Indian oil explorer ONGC Videsh has sold one cargo of Russian Sokol crude SOK-DUB loading April 17-23 at a premium of around $4 a barrel to Dubai quotes, two trade sources said on Monday
* The buyers were not immediately known
* Prior to this, Exxon Mobile sold two Sokol cargoes, loading April 8-11 and April 29-May 2, at spot premiums of around $3.50 a barrel to Dubai quotes.
(Reporting By Shu Zhang; editing by David Evans) ((shu.zhang@thomsonreuters.com; +65-6870-3549; Reuters Messaging: Twitter @shuzhang4))
