FLINT HILLS RESOURCES, LC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | FLINT HILLS RESOURCES, LC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 27.81538, -97.48873 |
Cause
| Cause | NATURAL FORCE DAMAGE |
| 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 MARCH 1, 2021, FLINT HILLS RESOURCES (FHR) STARTED THE P8A LATERAL FOR THE FIRST TIME AFTER A RECORD FREEZE EVENT. AT 15:33, FHR OPERATIONS AND CONTROL CENTER PERSONNEL DETERMINED THAT LINE PACKING WAS TAKING LONGER THAN ANTICIPATED, SHUT DOWN THE LINE, AND INITIATED INVESTIGATION. AT 15:40, FHR PERSONNEL ARRIVED ONSITE, DISCOVERED A RELEASE, AND ISOLATED THE LATERAL. FHR PERSONNEL ISOLATED THE METER SKID AT 16:00. THE RELEASE STOPPED AT 19:06 AND FHR PERSONNEL REMOVED THE 2-INCH DRAIN VALVE AND INSTALLED A BLIND FLANGE AT 20:10. FHR REPLACED THE 2-INCH DRAIN VALVE ON MARCH 2. BASED ON BUSINESS NEEDS, THE LATERAL WAS RE-STARTED ON MARCH 11. FHR WILL SEND THE 2-INCH DRAIN VALVE TO A THIRD PARTY FOR FURTHER EVALUATION. UPDATE PART H (JUNE 2021) - DUE TO AN EXTENDED RECORD FREEZE EVENT, POWER GRID OUTAGES, AND ASSOCIATED PLANT OUTAGES, MOISTURE IN THE VALVE BODY FROZE AND EXPANDED CAUSING VALVE BODY STUDS TO STRETCH. THIS RESULTED IN VALVE BODY TO TAIL PIECE MISALIGNMENT CREATING A GAP ON THE INTERNAL GASKET SEALING SURFACE. THIS GAP ALLOWED FOR AN EXTERNAL LEAK PATH.
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.