MAGELLAN PIPELINE COMPANY, LP
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | MAGELLAN PIPELINE COMPANY, LP |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 39.21171, -95.34525 |
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
AT 08:53 ON APRIL 4TH, 2023, MAGELLAN OPERATIONS PERSONNEL OPENED THE VALVE BOX AT MP 133.51 ON THE EL DORADO - ATCHISON #7-16"" PIPELINE TO COMPLETE SEMI-ANNUAL VALVE INSPECTIONS. THE SMELL OF GASOLINE AND AIR MONITORING EQUIPMENT ALERTED THE MAGELLAN PERSONNEL TO THE PRESENCE OF GASOLINE. OPERATIONS CONTROL CONFIRMED THE LINE WAS ALREADY SHUT DOWN AND BLOCKED IN. CLEAN-UP ACTIVITIES WERE INITIATED. FURTHER INVESTIGATION FOUND PRODUCT TO BE DRIPPING FROM A WEEP HOLE ON THE VALVE. OPERATIONS CONTROL WAS CONTACTED TO OPEN DOWNSTREAM ROVS TO REDUCE THE PRESSURE AT THE SITE OF THE RELEASE, WHICH STOPPED THE DRIPPING. THE VALVE WAS REPLACED AND SENT FOR EXAMINATION. THE FAILURE ANALYSIS FOUND THE CAUSE OF THE LEAK WAS CORROSION OF THE VALVE STEM ASSEMBLY. DAMAGE TO THE INTERNAL O-RINGS OF THE PRIMARY SEAL WAS ALSO OBSERVED, LIKELY THE RESULT OF SLIDING CONTACT WITH THE CORRODED AREA ON THE VALVE STEM. A DAMAGED VALVE CAN ALLOWED RAIN AND FLOOD WATER INTO THE CAN, RESULTING IN WATER ENTERING THE TOP OF THE VALVE. TO PREVENT A REOCCURRENCE, THE VALVE CAN WAS ALSO REPLACED. 5/2024 SUPPLEMENTAL/FINAL: PARTS G & H
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.