Chevron and Shel plans to leave Ukraine. http://www.bloomberg.com/news/2014-12-15/ukraine-says-chevron-may-exit-agreement-to-extract-shale-gas.html
Chevron and Shel plans to leave Ukraine. http://www.bloomberg.com/news/2014-12-15/ukraine-says-chevron-may-exit-agreement-to-extract-shale-gas.html