MAGELLAN PIPELINE COMPANY, LP
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | MAGELLAN PIPELINE COMPANY, LP |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 39.84497, -104.91538 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
WHILE COMPLETING THE FACILITY INSPECTION AT THE END OF THE SHIFT, OPERATIONS DISCOVERED A LEAK ON THE MAINLINE SURGE RELIEF VALVE FOR THE CHEYENNE TO DUPONT 8"" LINE. THE OPERATOR ISOLATED THE SURGE RELIEF LINE BY CLOSING VALVES THUS STOPPING THE RELEASE. AFTER ISOLATION, THE RELIEF VALVE WAS REMOVED FROM SERVICE. FOLLOWING THE RELEASE, MAGELLAN VALIDATED THAT AN MSR IS NOT REQUIRED ON THIS LINE SEGMENT AND THE MAINLINE WAS RETURNED TO SERVICE. AN INTERNAL COMPONENT OF THE RELIEF VALVE FAILED, ALLOWING PRODUCT OUTSIDE OF VALVE BODY AND INTO THE PILOT AREA. THIS ALLOWED PRODUCT TO BE RELEASED THROUGH A VENT IN THE VALVE PILOT. THIS PIPELINE SYSTEM WAS ACQUIRED FROM A PREVIOUS OPERATOR. MAGELLAN REVIEWED THE MSR VALVES ON THE REST OF THIS SYSTEM AND DID NOT FIND ADDITIONAL VALVES OF THE SAME MANUFACTURE AS THE ONE THAT FAILED DURING THIS EVENT. APPROXIMATELY 30 CUBIC YARDS OF SOIL WAS REMEDIATED
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.