The U.S. oil industry handed out 23,200 pink slips in the first three months of the year as companies began cutting their once-flush spending budgets deeper than in the ferocious mid-1980s oil bust. The latest round of layoffs, including recent cuts by Chevron Corp., BP and Anadarko Petroleum Corp., has brought oil-and-gas job cuts across the nation to nearly 118,000 since the beginning of 2015. That’s more than one in every five workers the industry had when crude prices began to tumble, the Federal Reserve Bank of Dallas said Friday. “You won’t see job cuts bottom out until the middle of the year, if then,” said John Graves, a Houston oil consultant who has tracked the industry’s layoffs. The dramatic and ongoing exit of more than a fifth of the industry’s workforce comes as drillers sideline three-quarters of the drilling rigs they used to power the nation’s biggest oil […]