The Falkland Islands are set to receive a massive oil windfall thanks to a new drilling venture.Drilling at the Sea Lion oilfield will be massively accelerated after a $3billion investment from Israel's Navitas Petroleum.The publicly-traded oil firm has acquired a second production vessel which could pump 125,000 barrels of oil per day.The first output from the vessel is expected by 2030, adding to the planned production of 55,000 barrels per da…