Oil & Gas Oando Energy Resources Revenue Hit $421.4MnBy orientalnewsngApril 8, 20150 Yemis Izuora Oando Energy Resources (OER) has said that its net revenue in 2014 has hit $421.4 million. The figure… 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