ENBRIDGE ENERGY, LIMITED PARTNERSHIP
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | ENBRIDGE ENERGY, LIMITED PARTNERSHIP |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 46.68690, -92.06450 |
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
ON AUGUST 15, 2015 AT APPROXIMATELY 10:23 AM, AN ENBRIDGE CONTRACTOR REPORTED APPROXIMATELY 30 GALLONS OF CRUDE OIL IN THE AREA OF THE SMALL DIAMETER PIPING OF VALVE 222-SV-15 NEAR TANK 15 IN THE SUPERIOR TERMINAL. THE EDMONTON CONTROL CENTER WAS CONTACTED AND TANK 15 WAS ISOLATED. A PIPELINE MAINTENANCE CREW WAS DISPATCHED TO DETERMINE THE SOURCE OF THE LEAK. IT WAS DISCOVERED THAT THE NIPPLE ON THE LOWER BODY BLOCK AND BLEED WAS CRACKED AT THE POINT IT ENTERS INTO THE VALVE BODY. THE NIPPLE WAS REMOVED AND A PLUG WAS INSTALLED LATER THAT AFTERNOON AND THE LINE TURNED BACK OVER TO THE CONTROL CENTER. THE INTERNAL INCIDENT INVESTIGATION DISCOVERED THAT THE THREADS WERE CRACKED AT THE TIME OF INSTALLATION DUE TO APPLYING UNEVEN FORCE WHILE THREADING THE NIPPLE INTO THE VALVE BODY. THE LOWER BODY BLOCK AND BLEED ASSEMBLY WILL BE REPLACED BY YEAR END. APPROXIMATELY 130 CUBIC YARDS OF CONTAMINATED SOIL WAS HAULED TO AN APPROVED DISPOSAL SITE.
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.