Nexen Energy ULC charged after explosion killed two workers in 2016

Charges have been laid against Nexen Energy after two workers were killed in an explosion at the Nexen Long Lake site south of Fort McMurray.
Dave Williams, 30, and Drew Foster, 52, were changing valves on a hydrocracker — where hydrogen is combined with partially upgraded bitumen to remove sulphur while producing synthetic crude oil — on Jan. 15, 2016, when there was an explosion just before 3:30 p.m.
Foster died at the scene while Williams, after being taken to Edmon