NORTHERN BORDER PIPELINE COMPANY
gas_transmission Incident — — March 28, 2011
Incident Information
| Incident Date | March 28, 2011 |
| Operator | NORTHERN BORDER PIPELINE COMPANY |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 48.25004, -105.32114 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
THE COMPRESSOR STATION EMERGENCY SHUTDOWN (ESD) WAS CAUSED BY A CONTROL PANEL LOCK UP. WHEN THE STATION ESD OCCURRED, THE STATION DISCHARGE VALVE FAILED TO CLOSE. THE INACTIVATION OF THE VALVE RESULTED IN NATURAL GAS TO VENT FROM THE PIPELINE UNTIL TECHNICIANS RESPONDED AND MANUALLY CLOSED THE STATION BLOWDOWN VALVE TO STOP THE RELEASE OF GAS. THE VALVE WAS CLOSED APPROXIMATELY 40 MINUTES AFTER THE ESD. TROUBLESHOOT COMPONENTS ON VALVE OPERATOR. OPERATION WAS TESTED NUMEROUS TIMES AND FUNCTIONED AS DESIGNED.
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.