OSHA Accident Investigation · Summary #221603061

ENERGY CONTRACT SERVICES, LLC

BROWNING, MT— 2023-05-11T00:00:00

Event: Asphyxiated, Cardiovasc System, Gas, Gas Well, Lack of oxygen, Leak, Lung, Multi-employer Worksite, Multiemployer, Nitrogen, Oil Well Drilling/Servicing, Oil Well Servicing, Oxygen, Oxygen Deficiency, Pipe, Respiratory Tract, Testing, Working Alone
NAICS: 213112
Inspection type: Federal Agency
Activity number: #346998602
Employer profile: ENERGY CONTRACT SERVICES, LLC
Summary number: 221603061
Report ID: 0830100

Event description

Employee dies due to asphyxiation from oxygen displacement

Investigation abstract

At 8:04 a.m. on May 11, 2023, an employee working for an oil and gas support services company was found dead. On 5/10/23, the night before, the employee had instructed his coworkers from other contractors to go home, and he would finish the job up. This was the last time anyone had spoken to the employee until he was found deceased. The employee had been pressure testing a pipe with nitrogen. The pipe had been opened and nitrogen was leaking into the ambient environment. The employee was asphyxiated due to the displacement of oxygen causing his death.

Victim

#1 Fatality Age 58 M

Event type
12

Occupation code
689

Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.