MAGELLAN PIPELINE COMPANY, LP
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | MAGELLAN PIPELINE COMPANY, LP |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 32.53151, -100.85003 |
Cause
| Cause | INCORRECT OPERATION |
| 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 BOOSTER PUMP UPSTREAM OF THE VALVE WAS STARTED, AND PRESSURE WAS RISING AT THE SUCTION OF MAINLINE UNIT ONE. THE SUCTION VALVE WAS OPENING CORRECTLY, AFTER THE SUCTION VALVE HAD REACHED 50% OPEN AND AN O-RING AND GASKET FAILED ON THE SUCTION VALVE. THUS RELEASING A SPRAY OF CRUDE OIL. INVESTIGATION FOUND INADEQUATE THERMAL RELIEF THAT LED TO THE VALVE FAILURE. A THERMAL RELIEF WAS PROVIDED BUT SET AT AN INCORRECT PRESSURE. IT WAS SET TO RELIEVE AT A PRESSURE HIGHER THAN THE ESTABLISHED MOP OF THE ADJACENT PIPING. THE VALVE WAS REMOVED, INSPECTED AND REBUILT AND HYDRO-TESTED. A THOROUGH REVIEW WAS CONDUCTED TO VERIFY ADEQUATE THERMAL RELIEF AND TO ENSURE ADEQUATE OVERPRESSURE PROTECTION FOR THE ENTIRE STATION.
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.