CENEX PIPELINE LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | CENEX PIPELINE LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 48.22885, -101.36906 |
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 | — |
Incident Narrative
ON JUNE 19, 2024 AT APPROXIMATELY 11:34 A.M., FIELD PERSONNEL WERE ON-SITE MONITORING A RECENTLY INSTALLED VIBRATION SENSOR WHEN A 1"" DIAMETER SCHEDULE 80 PIPE USED FOR THERMAL RELIEF OFF THE DISCHARGE SIDE OF MAINLINE PUMP UNIT 403 RUPTURED. FIELD PERSONNEL WITNESSED THE PIPE VIBRATING WHEN THE PUMPS WERE SHUTDOWN, RESULTING IN THE RELEASE AND IMMEDIATELY NOTIFIED THE CONTROL ROOM AND NOTIFIED A CENEX PIPELINE QI. SINCE THE SEGMENT WAS ALREADY SHUTDOWN, THE CONTROLLER FURTHER ISOLATED THE SEGMENT BY CLOSING THE NEAREST UPSTREAM AND DOWNSTREAM REMOTELY OPERATED VALVES. THERE WAS APPROXIMATELY 1 BARREL OF DIESEL RELEASED WHICH WAS CAPTURED FOR DISPOSAL. CENEX PIPELINE NOTIFIED THE NORTH DAKOTA DEPARTMENT OF ENVIRONMENTAL QUALITY OF THIS EVENT. CORRECTIVE ACTIONS TO ADDRESS THE FINDINGS OF THE INCIDENT INVESTIGATION WILL BE IMPLEMENTED UPON COMPLETION OF ANALYSIS THAT IS PRESENTLY UNDERWAY.
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.