The oil - rich border area remains disputed between Sudan and South Sudan . Sudan claims the oil fields in the town of Heglig . Sudanese President Omar al-Bashir was scheduled to travel to the southern capital of Juba earlier this month to meet with his counterpart Salva Kiir . The oil fields account for about half of Sudan 's oil production .
The oil - rich border area remains disputed between Sudan and South Sudan . Sudan claims the oil fields in the town of Heglig . The oil fields account for about half of Sudan 's oil production .