Oil & Gas Private-equity investment group eyeing Aberdeen firmAberdeen energy service company RBG is the target of a takeover deal which could net its chairman tens of millions of pounds, it emerged yesterday. November 16th 2010, 2:10 am 2 min read Facebook An icon of a facebook f logo. LinkedIn An icon of the LinkedIn logo. Twitter An icon of the Twitter logo. Aberdeen energy service company RBG is the target of a takeover deal which could net its chairman tens of millions of pounds, it emerged yesterday.