Oil & Gas Allison-Madueke Approved Oil Swaps Valued At N4.8tr Without ContractBy orientalnewsngFebruary 17, 20160 Joseph Bakare A former Group Managing Director of the Nigerian National Petroleum Corporation (NNPC), Mr. Austin Oniwon, has claimed that… Share this:Share Click to email a link to a friend (Opens in new window) Email Tweet Click to share on Reddit (Opens in new window) Reddit