Output from the prolific tight-rock formations such as North Dakota’s Bakken shale will decline 57,000 barrels a day in May, the Energy Information Administration said Monday. Deutsche Bank AG, Goldman Sachs Group Inc. and IHS Inc. have projected that U.S. oil production growth will end, at least temporarily, with futures near a six-year low. The plunge in prices has already forced half the country’s drilling rigs offline and wiped out thousands of jobs.