ConocoPhillips confirms up to 12.5% North Slope layoffs as workers seek union

ConocoPhillips has laid off 10 to 12.5 percent of its North Slope workforce, the company confirmed Tuesday, as employees at three oil fields move to form a union. 243 ConocoPhillips employees at the Kuparuk, Alpine and Willow fields have petitioned the National Labor Relations Board to join United Steelworkers, citing recent staffing changes...