SUNOCO PIPELINE L.P.
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | SUNOCO PIPELINE L.P. |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 34.81979, -97.44566 |
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
ON 7/16/2015 MAYSVILLE STATION WAS DOWN FOR SCHEDULED MAINTENANCE WORK. AS PART OF THE LO/TO TO ISOLATE MAYSVILLE STATION A MLV OUTSIDE OF THE STATION WAS LO/TO'D. A MANUAL PUMP AT AN INJECTION POINT BETWEEN MAYSVILLE AND THE LO/TO'D MLV WAS TURNED ON. NORMAL FLOW FROM THIS INJECTION POINT IS EAST TO SEMINOLE. HOWEVER, THE MANUAL INJECTION PUMPED AGAINST THE CLOSED MLV WHICH CAUSED PRESSURE TO BACKUP TO MAYSVILLE STATION. THIS BACKUP CAUSED THE SUMP DRAIN LINES OF THE MAINLINE PUMPS TO OVERFLOW RELEASING <1 BARREL TO THE CONCRETE PAD WHERE THE PUMPS ARE SITUATED. THE MANUALLY OPERATED FIELD PUMP WAS SHUT DOWN RELIEVING THE PRESSURE AND THE RELEASE STOPPED. ALL FREE OIL WAS IMMEDIATELY CLEANED UP FROM THE CONRETE PAD.
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.