Russian oil companies led by Rosneft (ROSN.MM) plan to re-open wells in June that they had shut due to Western sanctions, four sources said, as firms bank on a pick-up in seasonal demand and sustained Asian buying. It was not immediately clear how big the increase could be nor how it might be affected by EU plans announced on Monday to slash Russian crude imports by up to 90% by year-end. read more Between May 1 and 30, Russian oil production increased to 10.19 million barrels per day (bpd) from 10.05 million bpd in April, the Interfax news agency reported. That, however, was nearly 1 million bpd below levels before the West imposed sanctions on Moscow. Sources […]