DENVER—U.S. shale producer Devon Energy on Wednesday said it was anticipating a 15 percent rise in costs this year compared to 2021 due to inflation and supply chain constraints. U.S. oil prices have climbed to their highest levels in seven years, trading at nearly $95 a barrel, as activity has come roaring back amid a recovery in demand. However, many oil companies are being hit by shortages in labor and critical supplies such as sand, which has driven up their costs. “Inflationary pressure and supply chain disruptions are a reality,” Clay Gaspar, Devon chief operating officer, told investors during the company’s fourth-quarter conference call. Devon’s capital spending for the fourth quarter came in slightly above analysts’ expectation but was within the upper end of the company’s guidance range. Upstream spending was driven higher by roughly 10 well spuds being moved up to the fourth quarter and rising costs. Shares of …