The United Steelworkers union (USW) and Shell Oil Co reached a tentative agreement on Thursday that sources familiar with the deal said would boost pay by 11 percent over three years for 30,000 U.S. refinery, chemical plant and pipeline workers. A Shell logo is seen at a gas station in Buenos Aires, Argentina, March 12, 2018. REUTERS/Marcos Brindicci Workers represented by the USW will receive a 3.5 percent pay raise in each of the first two years of the deal and a 4 percent raise in the final year, the sources said. The agreement between the union and Shell came about nine hours before the current contract was to expire at 12:01 a.m. on Friday. The union entered talks with lead oil company negotiator Shell on Jan. 16 seeking an 8 percent-a-year pay increase for hourly workers. USW-represented refinery workers make about $40 an hour after […]