They are not even allowed into the area around Heglig, though it is part of their old homeland.

他们甚至被禁止进入Heglig周围地区，尽管这是他们古老家园的一部分。

youdao

That may explain why this week the south began to claim that the Heglig field has not been granted to the north at all but is still in the south because it extends into Unity state.

这也可以解释为什么本周开始南部苏丹宣称由于Heglig 油田延伸到了联邦州，并未承认归属于北部。

youdao

Heglig oil facilities account for about half of Sudan's production of 115, 000 barrels a day.

CNN: STORY HIGHLIGHTS

The UN Security Council has demanded the withdrawal of South Sudanese troops from Heglig.

BBC: Sudan troops 'advance on Heglig oil field'

It comes after Sudan said Friday its forces drove out South Sudanese troops from Heglig.

CNN: STORY HIGHLIGHTS