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Sonat Exploration Co. Catastrophic Vessel Overpressurization
Pitkin, LA, March 4, 1998
Sonat Exploration Co. Catastrophic Vessel Overpressurization
Aerial view of petroleum tanks at the Sonat oil production facility, where a vessel overpressurization led to the deaths of four workers

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Incident Description
At approximately 6:15 p.m. on March 4, 1998, a catastrophic vessel failure and fire occurred near Pitkin, Louisiana, at the Temple 22-1 Common Point Separation Facility owned by Sonat Exploration Co. Four workers who were near the vessel were killed, and the facility sustained significant damage. The vessel lacked a pressure relief system and ruptured due to overpressurization during start-up, releasing flammable material which ignited.

Investigation Status
The final report on this investigation was approved on September 21, 2000.

Reports Final Investigation Report
Presentations Slide Presentation from Board Public Meeting, Washington, DC, November 8, 2000
Presentations Slide Presentation from Board Public Meeting, Washington, DC, September 15, 2000
Notices Federal Register Notice for Board Public Meeting, Washington, DC, November 8, 2000
Notices Federal Register Notice for Board Public Meeting, Washington, DC, September 15, 2000
Transcripts Transcript of Board Public Meeting, Washington, DC, November 11, 2000
Transcripts Transcript of Board Public Meeting, Washington, DC, September 15, 2000