ABC News | Rich in oil, gas, and caviar: Five countries move to settle decades-long Caspian dispute — why now? ABC News But now, the leaders of the five countries bordering the world's biggest enclosed body of water have finally made significant headway after agreeing — at least, in principle — on how to divvy up its potentially vast oil and gas resources. Russia ... Caspian Nations Move to Settle Dispute on Oil and Gas Reserves Iran and Russia sign major deal for HUGE oil and gas exploration after Trump sanctions Caspian Sea Breakthrough Treaty Set to Boost Oil, Pipeline Plans |