да вот, хотя быhttp://forexaw.com/TERMs/Raw_materials/Energy/l1272_%D0%A1%D0%BB%D0%B0%D0%BD%D1%86%D0%B5%D0%B2%D0%B0%D1%8F_%D0%BD%D0%B5%D1%84%D1%82%D1%8C_Shale_oil_%D1%8D%D1%82%D0%BEhttp://www.wprr.ru/archives/2648