 Ibikomoka kuri peteroli byigeze kuba ari byo bigize ahanini cyane kurushaho ubukungu bwa Sudani, ariko kuva Sudani yEpfo yavuka mu mwaka wa 2011 ivuye kuri Sudani, yajyanye na byinshi mu birombe bicukurwamo ibikomoka kuri peteroli. 