management of oil resources was largely though not entirely being handled from the south, and South Sudan was in control of most of its oil fields - Martha Chol Luak

We have an oil revenue calculation committee, and every month, we look at the production and sales figures, and work out the figures for who takes what ... Right now, those figures are just based on production, and then shared between North and South. There isn't much trust, that's why you hear complaining from the South Sudan about the amounts they are getting".

Government of Southern Sudan] is uncertain about the oil production figures released by the federal government and also feels that its quota is not fair. ...GoSS was not given any representation at the strategic stages of oil production and overseas marketing".

there had been considerable controversy over the Ministry of Energy and Mining when the Government of National Unity was being formed. The oil industry had been developed during the civil war as a means to finance that war, at great human cost, and military concerns had dictated the structure of the industry.