Oil & Gas OES Teamwork Achieves 5 Years Without Lost Time InjuryBy orientalnewsngFebruary 11, 20150 Oando Energy Services Limited (“OESL”), an Oando PLC subsidiary and Nigeria’s leading indigenous operator of swamp drilling rigs services has… 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