http://www.worldoil.com WorldOil South Sudan oil field becomes battleground in civil war as economy reels http://www.worldoil.com/news/2015/5/26/south-sudan-oil-field-becomes-battleground-in-civil-war-as-economy-reels After 17 months of civil war spanning a swathe of South Sudan bigger than Syria, President Salva Kiir’s survival may hinge on the fate of a single oil field. Paloch in Upper Nile state, the only region still pumping crude in a nation with sub-Saharan Africa’s third-largest reserves, has re-emerged as the rebels’ prime target.