The Gulf of Mexico has been left for dead more than once over the past half-century. It’s now roaring back to life with at least 10 recent mega-discoveries that have renewed oil explorers’ enthusiasm for the region. Billions of dollars are being poured into new wells in the ultra-deep waters off Texas and Louisiana, fueling a resurrection that could set a production record this decade and complete a recovery from the worst offshore oil spill in U.S. history. In 2014, output from the deepest parts of the Gulf, where the water is more than 1,300 feet deep, will be equivalent to about 1.5 million barrels of oil a day, 15 percent more than this year, according to estimates by energy consultants Wood Mackenzie. By 2020, the firm says, the deepwater Gulf, which accounts for about half the Gulf’s 252,000 square miles of federal waters, is […]