ONEOK NGL PIPELINE, LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | ONEOK NGL PIPELINE, LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 42.83009, -104.33393 |
Cause
| Cause | EQUIPMENT FAILURE |
| 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 JULY 7, 2019 AT APPROXIMATELY 16:24, A ONEOK EMPLOYEE RECEIVED A CALL FROM A THIRD-PARTY CONTRACTOR REPORTING A VAPOR CLOUD AT THE LUSK PUMP STATION. EMPLOYEE RESPONDED TO ONEOK'S LUSK PUMP STATION AT APPROXIMATELY 17:07 AND DETERMINED THAT A HAMMER UNION ON A TEMPORARY FILTER VESSEL ON THE NIOBRARA PIG TRAP WAS LEAKING. THE PIPELINE SEGMENT WAS ISOLATED AND BLOWN DOWN FOR INSPECTION AT APPROXIMATELY 17:09. WHEN THE HAMMER UNION WAS INSPECTED, AN O-RING WAS FOUND TO BE SPLIT CAUSING THE RELEASE. THE O-RING WAS REPLACED, LINE WAS PURGED, VERIFIED TO BE LEAK FREE, AND PUT BACK IN SERVICE AT APPROXIMATELY 01:30 ON JULY 8, 2019. ONE (1) BARREL OF PRODUCT (NGL) WAS ESTIMATED TO BE RELEASED.
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.