https://www.vedomosti.ru/business/news/2011/09/22/mer_povysilo_ocenku_dobychi_nefti_v_2011_g_do_509_mln_t?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=mer_povysilo_ocenku_dobychi_nefti_v_2011_g_do_509_mln_t