Before North Dakota oil worker Dustin Payne died last fall, he sent text messages to his girlfriend about safety conditions on the worksite. "I'm literally going to be welding something that's full of oil. ... Don't (feel) comfortable welding this at all. Dangerous as (expletive)." Payne, a 28-year-old Marine Corps veteran from Alabama, died from injuries he suffered last Oct. 3 when a tanker he was welding in Williston exploded. An investigative report airing Monday on Al Jazeera America featuring interviews with his family and friends shows that Payne had voiced concerns to his employer about safety conditions, and a legal investigator interviewed by "Fault Lines" says the death could have been prevented...Other findings in the episode, "Death on the Bakken Shale," include: A North Dakota oil worker tells Rushing he has spent as many as 69 hours straight on a job site and has fallen asleep in a crane while operating it. The Occupational Safety and Health Administration does not regulate how many hours employees work. OSHA has nine full-time compliance officers assigned to the Bismarck area office, and some estimates show it would take decades for OSHA to inspect every workplace in North Dakota. OSHA fines for oil companies with safety violations are often not substantial enough to be punitive...Nabors did not comment for the TV program, and a message seeking comment for Forum News Service was not returned Friday. The recent report by the American Federation of Labor and Congress of Industrial Organizations that found North Dakota to have the highest fatality rate in the nation prompted the journalists to investigate the Bakken...