Nikkei Asian Review | Abu Dhabi looks to Asia to take up oil concessions Nikkei Asian Review Abu Dhabi National Oil Co. has solicited new bids for the onshore concessions held by the Abu Dhabi Co. for Onshore Petroleum Operations (ADCO), which expired in 2014. Four Western oil majors -- BP, Total, Royal Dutch Shell and Exxon Mobil -- each ... |