A $7bn budget allocation made last year to National Oil Corporation was intended to boost crude output, but no new projects have yet been launched, prompting questions over the lack of oversight at NOC, in a state already hollowed out by smuggling, corruption and theft. It comes amid signs that Prime Minister Abdel Hamid Al-Dabaiba and rival warlord Khalifa Haftar are taking greater control over oil revenues, raising further questions for IOCs who are wondering whether to reinvest, writes John Hamilton.