The largest oil basin in the United States is set to grow its output by 40% over the next 7 years, according to a Bloomberg survey of four major forecasters—but that growth will be slow and steady instead of explosive. Major forecasters surveyed by Bloomberg are predicting that production from the Permian basin will hit 7.86 million barrels per day in 2030—the point at which they are expecting it to peak. According to the most recent Drilling Productivity Report published on Monday, the Energy Information Administration estimates that…