"ONEOK NGL PIPELINE, LLC"
hazardous_liquid Incident — — July 7, 2019
Incident Information
| Incident Date | July 7, 2019 |
| Operator | "ONEOK NGL PIPELINE, LLC" |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 42.83009, -104.33393 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $0 |
| Other Costs | $0 |
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.