VIKING GAS TRANSMISSION CO
gas_transmission Incident — — May 26, 2014
Incident Information
| Incident Date | May 26, 2014 |
| Operator | VIKING GAS TRANSMISSION CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 48.23860, -96.82710 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | ENVIRONMENTAL CRACKING-RELATED |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $265,779 |
| Emergency Response | $1,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
"THE VIKING GAS TRANSMISSION PIPELINE 2201-1 RUPTURED AND IGNITED AT APPROXIMATELY 0618 HOURS ON MAY 26, 2014. GAS CONTROL DISPATCHED VIKING OPERATIONS PERSONNEL. THE RUPTURE WAS VERIFIED BY ON SITE VIKING PERSONNEL AT 0647 HOURS. LOCAL LAW ENFORCEMENT AND FIRE DEPARTMENTS RESPONDED AND ISOLATED THE AREA FROM TRAFFIC. THERE WERE NO INJURIES OR DEATHS. PHMSA AND MNOPS WERE NOTIFIED OF THE INCIDENT WITH NRC NUMBER 1083928 AND MNOPS INCIDENT NUMBER 141932. MEDIA FROM GRAND FORKS WERE ON SCENE. THE SEGMENT OF PIPE WHERE THE FAILURE OCCURRED WAS COMPLETELY ISOLATED AT 0841 HOURS. THE COMMUNITIES OF WARREN AND ARGYLE LOST NATURAL GAS SERVICE IMPACTING APPROXIMATELY 900 CUSTOMERS. ON MAY 28, 2014, THE PIPELINE SEGMENT WAS REPAIRED AND RESTORED TO 80 PERCENT OF THE OPERATING PRESSURE AT THE TIME OF FAILURE. THE RUPTURED PIPE SEGMENT WAS SENT TO KIEFNER AND ASSOCIATES IN OHIO FOR FAILURE ANALYSIS. A FINAL INCIDENT REPORT WILL BE FILED ONCE THE FAILURE ANALYSIS IS COMPLETED. UPDATE - METALLURGICAL TESTING DETERMINED THAT THE FAILURE WAS DUE TO ENVIRONMENTAL (HYDROGEN INDUCED) CRACKING WHICH OCCURRED IN A LOCALIZED (3.5 INCHES X 4.4 INCHES) HARD SPOT (30-46 RC) IN THE PIPE WALL. UPDATE - CORRECTED NRC REPORT NUMBER"
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.