Accusing Sudan of occupying and claiming territories since the resources were discovered, South Sudan released a map of its territory that includes Panthou/Heglig and other disputed territories on its side of the border. According to the Sudan Tribune:
The Minister of Telecommunications and Postal Service, Madut Biar Yel, told the press after the cabinet meeting that six areas that were contested and occupied by Khartoum including Heglig/Panthou were included as part of South Sudan as per the new map presented to the cabinet by the Vice President…
The areas disputed by Khartoum are located in the four bordering states of Upper Nile, Unity, Northern Bahr el Ghazal and Western Bahr el Ghazal states. Khartoum has a different rival map which has also incorporated the same disputed territories.
Madut accused Khartoum of occupying territories which historically belong to South Sudan and claiming them because they have resources