DIXIE PIPELINE COMPANY LLC
hazardous_liquid Incident — — November 22, 2019
Incident Information
| Incident Date | November 22, 2019 |
| Operator | DIXIE PIPELINE COMPANY LLC |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 30.49630, -91.56127 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $115,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON 11:50 ON NOVEMBER 22, 2019, ENTERPRISE EMPLOYEE IDENTIFIED A SMALL PROPANE LEAK ON THE PACKING OF THE VALVE AT MARINGOUIN VALVE STATION THAT RESULTED IN 4 GALLONS BEING RELEASED. A THIRD-PARTY COMPANY TRIED TO MITIGATE THE LEAK WITH REPACKING THE VALVE, BUT WAS UNSUCCESSFUL. AT 22:15, IT WAS DETERMINED THAT THE VALVE REPLACEMENT WAS THE BEST REPAIR OPTION AND WOULD EXCEED $50,000 MAKING IT A REPORTABLE NRC LEAK. THE PIPELINE WAS PURGED IN NITROGEN IN ORDER TO REPLACE THE VALVE BEFORE RETURNING TO SERVICE. INITIAL NRC CALL WAS PLACED ON NOVEMBER 22, 2019 AT 22:30. 48 HOUR NRC UPDATE #1264771 WAS PLACED ON NOVEMBER 24, 2019 AT 11:07. INVESTIGATION OF THE VALVE DETERMINED THE INJECTOR VALVE PACKING PIPING CRACKED WHILE ADDING MORE PACKING TO THE VALVE STEAM. THIS PART COULD NOT BE REPLACED SAFELY DUE TO THE VALVE BODY NOT BLEEDING TO ZERO PRESSURE. THE PIPELINE WAS SHUTDOWN FOR A TOTAL OF 44HRS.
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.