BISMARCK, N.D. - The North Dakota Medical Examiner's Office says that a Duluth, Minn., man killed at a hydraulic fracturing site near Watford City suffered chest and abdominal injuries when he was hit by oilfield equipment.
The Tuesday report rules the death of 49-year-old Halliburton employee Mike Krajewski an accident.
The Forum reports that high pressure dislodged the equipment, causing it to smash Krajewski in the chest and abs, at about 3:30 p.m. Saturday.
A Halliburton spokeswoman said in an email to the Williston Herald that Krajewski's co-workers are saddened by the news.
Tara Mullee-Agard says the company is working with local authorities as they investigate. A second man also was injured in the incident.
The Occupational Health and Safety Administration began investigating the site Tuesday.
(Copyright 2013 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)