"ENBRIDGE ENERGY, LIMITED PARTNERSHIP"
hazardous_liquid Incident — — November 9, 2015
Incident Information
| Incident Date | November 9, 2015 |
| Operator | "ENBRIDGE ENERGY, LIMITED PARTNERSHIP" |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 47.26121, -93.59163 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $337,771 |
| Emergency Response | $2,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
"AT APPROXIMATELY 8:00 AM ON NOVEMBER 9, 2015, A CONTRACTOR DISCOVERED APPROXIMATELY 3 OUNCES OF OIL WEEPING FROM THE LINE 2 VALVE AT MP 1005.31 NEAR COHASSET, MN. THE OIL WAS WIPED UP AND THE CONTROL CENTER WAS NOTIFIED OF THE SITUATION. DUE TO THE VALVE NOT ACTIVELY LEAKING, LINE 2 CONTINUED TO OPERATE AND THE VALVE WAS CLOSELY MONITORED. WHILE THE VALVE WAS BEING MONITORED, MULTIPLE DISCUSSIONS WITH ENBRIDGE SME'S AND THE VALVE MANUFACTURER TOOK PLACE TO DISCUSS REPAIR OPTIONS. ONCE THE FINAL REPAIR PLAN WAS DECIDED UPON, NOTIFICATION WAS MADE TO THE NRC AS THE COST FOR THE REPAIR WOULD EXCEED THE NOTIFICATION THRESHOLD. IN ORDER TO SAFELY INSPECT AND REPAIR THE VALVE, STOPPLE EQUIPMENT WAS UTILIZED FOR ISOLATION. DURING INSPECTION OF THE VALVE, IT WAS FOUND THAT THE O-RING REQUIRED REPLACEMENT DUE TO EXCEEDING ITS USEFUL LIFE. IN ADDITION TO REPLACING THE O-RING, NEW BONNET STUDS AND NUTS WERE INSTALLED. THERE WAS NO CONTAMINATED SOIL ASSOCIATED WITH THIS INCIDENT."
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.