U.S. shale producers risk another oil-price war with OPEC and its allies if they resume the breakneck production growth of the last decade, according to Pioneer Natural Resources Co. Shale, and not the pandemic, was responsible for the initial oil-market crash of 2020, Chief Executive Officer Scott Sheffield said at BloombergNEF’s annual summit. The cartel, frustrated at U.S. producers’ success in taking market share from OPEC, allowed prices to tumble, he said. “OPEC and Russia were upset that we grew too much,” said Sheffield. “If we ever start growing again too much, we’re going to have another price war.” U.S. producers responded to last year’s oil collapse by reducing capital spending, drilling and jobs as well as merging with rivals to shore up […]