Maintenance work at 10 different oil fields on the Norwegian continental shelf meant output was more than 10 percent lower than expected, the government said. The Norwegian Petroleum Directorate, the nation’s energy regulator, reported a preliminary rate of production from May of 1.29 barrels of oil. Including natural gas liquid and condensate, an ultra-light type of petroleum product, production last month averaged 1.63 million bpd, about a quarter million bpd less than April. “Oil production is approximately 11 percent lower than the NPD’s forecast, and about 5 percent below the forecast this year,” the agency’s statement read. “The main reasons that production in May was below forecast is maintenance work and technical problems on some fields.” An NPD spokesperson listed 10 fields under maintenance in […]