SHELL PIPELINE CO., L.P.
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | SHELL PIPELINE CO., L.P. |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 30.17240, -90.78200 |
Cause
| Cause | NATURAL FORCE DAMAGE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
THE RELEASE WAS DUE TO ICE THAT FORMED IN A 1.5 INCH GLOBE VALVE. THE ICE FORMED DUE TO UNUSUALLY COLD AMBIENT TEMPERATURES. THE VALVE WAS LOCATED ON A DEHYDRATION UNIT AND WAS PART OF THE WATER DRAIN SYSTEM. WHEN THE VALVE WAS LAST CLOSED, THE PRESENCE OF THE ICE ALLOWED THE VALVE TO SEAL. DURING THE REGENERATION CYCLE OF THE DEHYDRATION UNIT, THE TEMPERATURE INCREASED AND MELTED THE ICE. WITH THE ICE MELTED, THERE WAS NO LONGER A SEAL AND PROPYLENE WAS RELEASED THROUGH THE VALVE. 3/13/2013 - UPDATED PER PHMSA REQUEST.
About This Pipeline Incident
Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.