MOSCOW- Russia plans to decrease oil export and transit from its Western ports, Primorsk, Ust-Luga and Novorossiisk, to 4.63 million tonnes in February from 6.32 million tonnes planned for loading via the ports in January, the preliminary schedule showed on Monday.

* On a daily basis oil loadings will decline by 19% in February from January plan, Reuters calculations showed.

* Urals oil exports from Baltic ports of Primorsk and Ust-Luga will decease to 3.4 million tonnes in February from 4.8 million tonnes in revised January loading plan. According to preliminary January loading plan, Urals exports from Baltic ports were planned at 5 million tonnes.

* Urals and Siberian Light oil exports from Black Sea's Novorossiisk are planned at 1.23 million tonnes for February down on 1.52 million tonnes in January plan, according to the document.

(Reporting by Olga Yagova and Gleb Gorodyankin, editing by Louise Heavens) ((Olga.Yagova@thomsonreuters.com;))