PITTSFIELD, Pa. (AP) - State police say a man has been killed by a crude oil tank that exploded while he was welding it in northwestern Pennsylvania. State police in Warren say 26-year-old Nikolai ...
SALT LAKE CITY (AP) -- A welder died after sparking an explosion while using his torch on a crude oil storage tank at an eastern Utah well site, the state's largest oil producer told regulators.