By Irina Slav for Oilprice.com - Say what you will about offshore oil and gas exploration, but it's still alive and kicking—high production costs and all. The latest demonstration of the viability of deepwater projects, even in the post-2014 oil industry era, comes from none other than Brazil.
Brazil's Subsalt Polygon, the offshore area that has already yielded some of the world's largest recent oil finds, may hold enough undiscovered petroleum and gas to supply the world's current oil needs for more than five years, researchers said.