EXXONMOBIL REFINING AND SUPPLY COMPANY
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | EXXONMOBIL REFINING AND SUPPLY COMPANY |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 30.47904, -91.20263 |
Cause
| Cause | OTHER ACCIDENT CAUSE |
| 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 MAKING ROUNDS ON DECEMBER 19 AN OPERATOR DISCOVERED 12.8 GALLONS OF DOBA CRUDE OIL UNDER THE #6 SYSTEM 24"" FLANGE (LINE # 4770) LOCATED ON RIVER ROAD. THERE WAS NO ACTIVE LEAK AT THE TIME WHEN THE OIL WAS DISCOVERED. THE FLANGE THAT LEAKED WAS ON A VALVE THAT WAS REPLACED ON 12/12/2012. TESTING OF THE LINE IMMEDIATELY AFTER THE VALVE INSTALLATION DID NOT REVEAL ANY LEAKS. INVESTIGATION OF THE FLANGE AFTER THIS INCIDENT DID NOT REVEAL ANY OBVIOUS ROOT CAUSE OF THE LEAK, SUCH AS LOOSE FLANGE BOLTS. IT IS DIFFICULT TO FINALIZE THE ROOT CAUSE WITHOUT DIS-ASSEMBLING THE FLANGED JOINT FOR INSPECTION, BUT IT IS BELIEVED THAT THE LEAK WAS LIKELY CAUSED BY FLANGE MISALIGNMENT/BOLT RELAXATION. THE FLANGE WAS TIGHTENED AS A PRECAUTION AND NO SIGNS OF LEAKAGE HAVE BEEN SEEN.
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.