BG will acquire the US supermajor's 11.45% interest in Armada, increasing its operating stake to 58.22%. It will also increase its total holding in BP-operated Everest to 59.3234%.
The UK-based player also agreed to purchase ConocoPhillips' 16.89% interest in Block 22/14a.
Mark Carne, executive vice president of BG Europe&Central Asia, said: "The strengthening of our position will enhance value from the tie-backs of the Seymour and Maria fields."
