There was modest growth in oil and gas reserves globally, though the majority came from the United States in 2014, a global oil and gas review found. Italian energy company Eni said its annual review that oil and gas reserves in 2014 recorded “slight” growth, though most of the gains came from shale basins in the United States . “The United States surpassed Saudi Arabia and Russia and became the first oil producer in the world, with record growth — 15.4 percent — due to tight oil,” its review said. A full-year 2014 profile from the U.S. Energy Information Administration found total U.S. proved oil reserves of 39.9 billion […]